PREN 13480-2

Draft €or Public Comment

FORM36 I . ....... .. ............ ................ . . ..... . . . ... . . . .,. Version 3

Head office 389 Chicwick High Road London W4 4AL Telephone: 0181 996 9000 Fax: O181 996 7400

Latest date for receipt of comments: end of July 1999 Date: 22 April I999 Responsible committee: P V U I O Interested committees: .

Project no.: 97 2856

Draft BS: prEN 13480-2 Title: Metallic industrial piping - Part 2 : Materiais

THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD

This draft is issued to allow comments from interested parties; all comments will be given consideration prior to publication as a British Standard. See overleaf for instructions on commenting.

No copying is allowed, in any form, without prior written permission from BSI except a s permitted under the Copyright, Designs and Patent Act 1988 or for circulation within a nominating organization for briefing purposes.

Requests for purchase of further copies of this draft should be made to Customer Services, at the Head Ofice address above, telephone O1 81 996 9001 , fax O1 81 996 7001, e-mail info@bsi,org.uk.

Infomation on the co-operathg organizations represented on the committees referenced above may be obtained from the responsible committee secretary.

Cross-references The British Standards which implement international or European publications referred to in this draft may be found in the BSI Catalogue under the section entitled 'International Standards correspondence index', or by using the "Find" facility of the BSI Standards Electronic Catalogue.

Responsible BSI committee Secretary: PETER MORTIMER

E-mail address [email protected]

Direct tel: 0181-996 7129

No. 1, 22/04/99 4:29 A4/P4 i COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesCOPYRIGHT European Committee for StandardizationLicensed by Information Handling Services

ORM 36 Version 3

How to submit comments This draft standard is based on Eumpean discussions in which the UK took an active part. Your - comments on this draft are welcome and will assist in the preparation of the consequent British Standard. If no comments are received to the contrary, then the UK will approve this draft and implement it as a British Standard. Comment is particularly welcome on national legislative or similar deviations that may be necessary.

Even if thisdraft standard is not approved by the UK, if it receives the necessary support in Europe, the UK will be obliged to publish the official English Language text unchanged as a British Standard and to withdraw any conflicting standard.

Format

The guidance given below is intended to ensure that all comments receive efficient and appropriate attention by the responsible BSI committee. Annotated text is not acceptable and will be rejected.

Each comment shall make one point only, be clearly separated from the others and be structured a5 follows in clause order:

1

I/”

c

- _

clause/sub-clause; paragraphhablefigure number;

0 type of comment (general, technical or editorial); comment (with rationale);

0 proposed change.

Submission

All comments should be submitted to the committee secretary at the Head Office address, preferably electronically via e-mail or on diskette (MS-DOS compatible,, I .44 megabytes). Comments should be compatible with Version 6.0 of Microsoft@ Word for Windows”, if possible; othenivise comments in ASCII text format are acceptable. Any comments not submitted electronically should still adhere to the format requirements given above. No acknowledgement will normally be sent.

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STDmCEN PREN 2 3 4 8 0 - 2 - E N G L 1999 I 3404589 0190882 514 PI

D R A R EUROPEAN STANDARD prEN 1348û-2 NORME EUROPÉENNE EUROPÄISCHE NORM April 1999

ICs

English version

Metallic industrial piping - Part 2: Materials

Tuyauteries industrielles metalliques - Partie 2: Matériaux Metallische industrielle Rohrleitungen - Teil 2: Werkstoffe

This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CENTTC 267.

I f this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.

CEN members are lhe national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland. Italy, Luxembourg, Netherlands, Noway, Portugal, Spain, Sweden, Switzerland and United Kingdom.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and shall not be referred to as a European Standard.

.

EUROPEAN COMMïïiEE FOR STANDARDIZATION COMITG E U R O P E E N DE N O R M A L I S A T I O N EUROPÄISCHES KOMITEE FUR NORMUNG

Central Secretariat: rue de Stascart, 36 8-1050 Brussels

O 1999 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.

Ref. No. prEN 13460-2:1999 E


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STD.CEN PREN 13480-2-ENGL 1979 3404589 0170883 450

Page 2 prEN 1 3480-2: 1 999

Contents

Foreword ...................................................................................................................................................................... 4

1

2

3 3.1 3.2 4 4.1 4.2 4.2.1 4.2.2 4.2.3 4.2.4 4.3 4.3.1 4.3.2 4.3.3 4.3.4 4.3.5 4.3.6 4.4

5

Scope .............................................................................................................................................................. 5

Normative references .................................................................................................................................... 5

Definitions. symbols and units ....................... ............................................................................................. 7 Definitions ....................................................................................................................................................... 7 Symbols a n d uni ts ......................................................................................................................................... 8

General ............................................................................................................................................................ 9 Special provisions ....................................................................................................................................... 11 Special propert ies ........................................................................................................................................ 11 Design temperature above 20 OC ................................................................................................................ 11 Prevention of brittle f racture ....................................................................................................................... 12 Specific requirements for bolting ............................................................................................................... 12

General .......................................................................................................................................................... 12 European S tanda rds .................................................................................................................................... 12

Requirements for materials to be used for pressure par ts ....................................................................... 9

Technical delivery conditions for products used in industrial piping ................................................... 12

European approval for materials ................................................................................................................ 13 Particular material appraisals ..................................................................................................................... 13 Technical delivery conditions for clad products ...................................................................................... 13 Technical delivery conditions for welding consumables ........................................................................ 13

Requirements for materials to be used for non pressure parts .............................................................. 13 Marking ......................................................................................................................................................... 13

Annex A (normative) Metallic materials for pressure equipment . grouping system and European

A.l A.2 A.3

standardized steels ...................................................................................................................................... 14 Grouping sys t em for metallic materials for pressure equipment ........................................................... 14

European s tandardized steels grouped according to product forms .................................................... 17 Survey of European Standards for steels for pressure equipment ........................................................ 16

Annex B (normative) Requirements for prevention of brittle fracture .............................................................. 31 General .......................................................................................................................................................... 31 8.1

8.2 B.3 8.4 8.4.1 8.4.2

8.4.3 8.5 8.5.1 8.5.2 0.5.3

B.6 8.6.1 B.6.2 B.6.3

General description ..................................................................................................................................... 31 Definitions ..................................................................................................................................................... 31 Material selection and impact energy requirements ................................................................................ 32 Method 1 . Code of practice ........................................................................................................................ 32 Method 2 - C o d e of practice developed from fracture mechanics for C. CMn. fine grain and low alloyed s t ee l s with specified minimum yield strength s 460 N/mm2 ...................................................... 34 Method 3 - Fracture mechanics analysis .................................................................................................. 36 General test requirements .......................................................................................................................... 36 General .......................................................................................................................................................... 36 Sub-sized spec imens .................................................................................................................................. 37 Sub-sized spec imens for components from which it is not possible to extract specimens of sect ion size equal to the reference thickness .......................................................................................... 37 W e l d c ..... -+.. ............................................................................................................................................. 38 General .......................................................................................................................................................... 38 Welding procedure qualifications .............................................................................................................. 38 Production test plates ................................................................................................................................. 38

..

Annex C (informative) Provisional technical delivery conditions for clad products for pressure pu rposes ....................................................................................................................................................... 50

Requirements for the deposited material .................................................................................................. 50

C.l Introductory note ......................................................................................................................................... 50 Requirements for the material .................................................................................................................... 50

Qualification of the cladding procedure .................................................................................................... 50 C.5 Production t e s t s ........................................................................................................................................... 50

C.2 C.3 C.4


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STD.CEN PREN 13480-2-ENGL 1999 I 3404589 0190884 397 I "

. - Page 3 prEN 13480-2:1999

Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU directives. ........................................................................................................................... 53

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STD-CEN PREN L3480-2-ENGL 3999 3404589 0390885 223 m

Page 4 prEN 13480-2:1999

Foreword

This document h a s been prepared by CEN ITC 267, "Industrial piping and pipelines".

This document is currently submitted to the CEN Enquiry.

This document h a s been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(@.

For relationship with EU Directive(s), see informative annex Z, which is an integral part of this document.

This European Standard for metallic industrial piping consists of seven interdependent parts which are:

- Part 1 : General

- Part 2 : Materials

- Part 3 : Design

- Part 4 : Fabrication and installation

- Part 5 : Inspection and testing

- Part 6 : Safety systems

- Part 7 : Additional requirements for buried piping

Metallic piping designed and constructed in accordance with these seven interdependent and not dissociable parts satisfies the essential safety requirements of the Pressure Equipment Directive (PED) [l].

..

NOTE Jn the final European Standard al/ information typed in i t a h will be deleted

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- STD.CEN PREN L3480-2-ENGL 1999 II 3404589 0370886 IbT I

Page 5 prEN 13480-2:1999

- - Y Scope

This Part of EN 13480 covers the requirements for materials (including clad materials) for industrial piping and supports covered by EN 13480-1 constructed of metallic materials and is currently limited to steels with sufficient ductility below the creep range. It specifies the assessment of compliance for these materials. It also provides rules for

. the establishment of technical delivery conditions for materials for industrial piping. The product forms covered are those covered in European Standards.

2 Normative references

This European Standard incorporates by dated or Ùndated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies.

NOTE time of enquiry and order.

Until this document is published as European Standard a corresponding national standard should be agreed at the

EN 288-1 ; Specifimtion and qualifia tion of welding procedures for metallic material - Part 7: General rules for fusion welding

EN 288-2 ; Specification and quakfication of welding procedures for metallic material - Part 2: Welding procedure specification for arc welding

EN 288-3 ; Specification and qualification of welding procedures for metallic material - Part 3: Welding procedure lests for f i e arc weldng of steels

EN 764 ; Pressure equipment - Terminology and symbols - Pressure, temperature, volume

EN 764-2 ; Pressure equipment - Parf2: Quantities, symbols and units

EN 764-3 ; Pressure equipment - Part 3: Definition of parties involved

EN 7644 ; Pressure equbment - Part 4: Establishment of technical delivery conditions for materials

EN 764-5 ; Pressure eqqbment - Part 5: Compliance and inspection documentation of materials

prEN 1 O1 1 ; Recommendation for arc welding of ferritic steels

prEN 1 092-1 ; Flanges and their joints - Circular flanges for pipes, valves, fiïtings and accessodes PN designated - Pad 7: Steel ffanges

prEN 1503-1 ; Valves - ShellmaterWs - Part 1: Steels

EN 10028-1 ; Hat products m d e of steels f ir pressure purposes - Part 1: General requirements

EN 10028-2 ; Fht products made of steels for pressure purposes - Part2: Non alloy and alloy steels with specified elevated temperature properfies

_.

EN 1 0028-3 ; Rat products made of steels for pressure purposes - Part 3: Weldable fine grain steels, normalized

EN 10028-4 ; Flat products made of steels for pressure purposes - Part 4: Nickel alloy steels with specified low temperature properties

EN 10028-5 ; Flat products made of steels for pressure purposes - Part5: Weldable fine grain steels, lhemomechanicallly rolled

.-

EN 1 O0256 ; Flat products made of steels for pressure purposes - Part 6: Weldable fine grain steels, quenched and tempered


STD-CEN PREN 13480-2-ENGL 1999 3909569 0190887 OTb S

Page 6 prEN 1 3480-2:1999 prM 10028-7 ; Flat products made of steels for pressure purposes - Part 7: Stainless steels

EN 10045-1 ; MeLMc materials - Cbavy impacf fest - Parf 7: Test method

EN 19045-2 ; Metallic materials - Charpy impact test - Part 2: Verification of the testing machine (pendulum impact)

EN 1 O1 64 ; Steel producfs with improved deformafion properties perpendcular to the suiface of the product - Technical delive y conditions

fN 1 021 3-1 ; Technjcal delivery condtions for steel casthgs for pressure purposes - Part 7: General

EN 1021 3-2 ; Technical delivesr condtions for steel castings for pressure puposes - Part 2: Steel grades. for use at room tempera fure and elevated feniperatures

EN 1021 3-3 ; Technical deiivery condiions for steel castings for pressure purposes - Part 3: Steel grades for use at Jow temperatures

EN 1021 3-4 ; Technical delivery conditions for steel castings for pressure purposes - Part 4: Austenitic and austenitic- fern?ic steelgrades

prEN 1021 6-1 ; Seamless steel tubes for pressure purposes - Technical delivery conditions - Pat? 1: Non-alloy steel tubes w2h specified room tempera fure properties

prEN 1 O21 6-2 ; Seamless steel tubes for pressure purposes - Technical delivery condiions - Part2: Non-alloy and alloy steel tubes wifh specified elevated temperature properties

prEN 1 021 6-3 ; Seamless steel tubes for pressure puposes - Technical delivery condiions - Part 3: Non-alloy and alloy fine grain steel tubes

prEN 1 O2 16-4 Seamless steel tubes for pressure purposes - Technical delivery condli<ions - Part 4: Non-alloy and alloy deel tubes with specified low temperature properties

prEN 1 O21 6-5 ; Seamless steel tubes for pressure purposes - Techniil delivery condbbns - Part 5: Stahless Steel tubes

prEN 1021 7-1 ; Welded steel fubes for pressure puposes - Tèchnical delivery conditions - Pa/f 7: Non-a/loy steel lubes with specified room temperature properties

prM 1 021 7-2 ; Welded steel tubes for pressure puposes - Technical delivery conaltions - Part 2: Electnc welded non-alloy and alloy steel tubes with specified elevated temperature properties

pr€N 1 O21 7-3 ; Welded steei tubes for pressure purposes - Technical deivery conditions - Part 3: Non-alloy and alby fine grain steel tubes

prEN 1 021 7-4 ; Welded steel tubes for pressure putposes - Technical delivery conditions - Part 4: Electric welded non-ahy and alloy steel tubes with specifled low temperature properties

prEN 1 0217-5 ; Welded steel tubes for pressure purposes - Technical delivery conditions - Part 5: Submerged arc welded non-alloy and alloy steel tubes wlth specified elevated temperature properties

prEN 10217-6 ; Welded steel tubes for pressure purposes - Technical dehery conditions - Part 6: Submerged arc weldednon-alloy andalloy steel tubes with specified low temperature properties

prEN 102l7-7 ; Welded steel tubes for pressure purposes - Technical delivery conditions - Par! 7: Stainless steel tubes

EN 10222-1 ; Steel forgings forpressure purposes - Part I: General requirements for open die forgings

prEN 10222-2 ; Steel forgrhgs for pressure purposes - Pad 2 Ferritic and martensitic steels with elevated terqoerature propedies

prEN 1 0222-3 ; Steel forgings for pressure puposes - Part 3: Nickel steels with specified low temperatures properties


STD-CEN PREN $3480-2-ENGL 1999 m 3404569 0190888 T32 m

- Page 7 prEN 1 3480-2:1999

prEN i 0222-4 ; See? forgings for pressure purposes - Part 4: Weldable fine grain steels with high proof stress -

prEN 1 0222-5 ; Steel forgings forpressure purposes - Part 5: fine grain steels with high proof stress

prEN 1 0222-6 ; Steel forgings for pressure purposes - Part 6: Austenitic, martensitic and austenitic-ferritic stainless steels

prEN 10253 ; Steel fiffhgs forpressure purposes

EN 1 0269 ; Steels and nickel alloys for fasteners for use at elevated andor low temperatures

EN 1 0272 ; Stainless steel bars for pressure purposes

EN 1 0273 ; Hot rolled bars made of steels for pressure purposes with specified elevated temperature properties

EN Y 029 1 ; Metalk materials - Uniaal creep testing in tension - Method of test

prEN 12074 ; Welding consurnables - Quality requirements for manufäcture, supply and distribution of consumables for welding and allied processes

3 Definitions, symbols and units

3.1 Definitions

For the purpose of this European Standard the definitions given in EN 13480-1, prEN 764-3 and the following definitions shall apply:

3.1 .l European Approvals for Material (EAM) Technical approvals for non EN standardized materials for pressure equipment and existing specifications of a CEN or non CEN member country.

.

3.1 2 European Material Data Sheet (EMDS) Document defining the requirements for a material approved for use in the manufacture of pressure equipment by a European approval for materials according to the provisions of prEN 764-4.

3.1.3 Established materials Metallic materials specified in table A.3 taken from European Standards for materials for pressure equipment; or in an €AM for an existing specification of a CEN or non CEN member country.

3.1.4 New material Metallic material not included in table A.3 nor in an EAM.

3.1.5 Technical delivery conditions The term technical delivery conditions covers conditions established in accordance with this European Standard, for metallic materials in form of plates, strip, bars, tubes, fittings, forgings, castings, flanges, valve bodies and other safety accessories, fasteners and welding consumables intended for the fabrication of pressurized parts. They may be in the form of European Standards, EAMc or particular material appraisals.

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STDmCEN PREN L3480-2-ENGL L999 = 3404589 0390889 979

Symbols Characteristic

form factor aK b width

E thickness

h

T temperature

TD design temperature

max. permissible reinforcement of weld

Page 8 prEN 13480-2:1999

3.2 Symbols and units

Units -

mm

mm .

mm

OC

"C

for the purpose of this part, the symbols and units given in prEN 13480-1 and prEN 764-2 apply together with those given in table 3.2-1.

A

C

elongation after fracture O/O

constant -

E

G

D modulus of elasticity N/mm2 ')

shear modulus N/mm" ')

I ~ diameter

HB

HV

I mm

I Brinell hardness - Vickers hardness -

KV

o

Charpy-V-notch impact energy J

length (gauge length) mm

P

PU4

R,

pressure bar

parameter according to Larson-Miller - yield strength N/mmz a

I

RCH 1 upper yield strength

Xrn i tensile strength

Nlmm" a

N/mm' a

RnJ IT 1 creep rupture value for hours at TOC N/rnmz a I

~ tensile strength at temperature T I 1 0,2 Yo - proof strength at temperature T

i 0,2 % - proof strength

1 ,O % - proof strength

1 ,O % - proof strength at temperature T

RmiT

R , w r

RN.2

RPl .u

Rpl .w~

so original cross section area

, N/mm' a

N/rnm" a

N/mmz a

N/mmL a

N/mm' a

mmL h

a

E

time h

linear expansion coefficient K 1

strain %

V ' Poisson's ratio i -

-


STD-CEN PREN L3480-2-ENGL 1999 3404589 OL90890 b90 II

Page 9 prEN 13480-2:1999

4 Requirements for materials to be used for pressure parts

4.1 General

4.1.1 applicable. Materials for pressure parts shall be ordered complying with the technical delivery conditions in 4.3.

Materials for pressure parts shall meet the general requirements of 4.1 and the special provisions of 4.2 if

Marking of materials for pressure parts shall be performed in accordance with 4.4.

Materials shall be selected to be compatible with anticipated fabrication steps and to be suitable for the internal fluid and external environment. Both normal operating conditions and transient conditions occurring during fabrication, testing, commissioning and decommissioning shall be taken into account when specifying the materials. .

Provisions of 4.1 and 4.2 shall also be taken into account when technical delivery conditions as given in 4.3 are developed as European material Standards, European approval of materials or particular material appraisals. Additionally, the structure and requirements of prEN 764-4 shall be met, when technical delivery conditions for pressure pari materials are developed.

4.1.2 manufacture, inspection and testing and employ competent staff for these tasks.

Materials for pressure parts shall originate from material manufacturers who use suitable facilities for the

4.1.3 accordance with prEN 764-5.

For materials for pressure parts compliance with the requirements of this European Standard shall be in

4.1.4 The products shall be free from surface and internal defects which might impair their usability.

4.1.5 6 (Su = original cross sectional area within the gauge length) that is:

Steels shall have a specified minimum elongation after fracture measured on a gauge length o=5,65

- 2 14 % for the transverse direction, or in those rare cases where it is the more critical direction, the longitudinal direction and

- 5 16 % for the longitudinal direction, or where this is the less critical direction, the transverse direction.

However, lower elongation values than specified in 4.1 (e. g. fasteners or castings) may also be applied, provided that appropriate measures are taken by the parties concerned to compensate for these lower values.

NOTE 1: Examples for compensation: - application of higher safety factors in design;

- performance of appropriate burst tests to demonstrate ductile material behaviour.

NOTE 2: The term "parties concerned" includes:

- in the case of materials specified in European material Standards:

the standardization committees competent for materials, for the design, the manufacture and the inspection and testing of the pressure equipment;

- in the case of materials specified in EMDS for pressure equipment:

the Notified Body engaged in accordance with prEN 764-4, annex A in the approval procedure in cooperation with the material manufacturer;

- in the case of particular material appraisals:

an Auihorised Inspection Body in cooperation with the equipment manufacturer and the purchaser of the equipment.


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STD-CEN PREN L3480-2-ENGL L997 3404589 OL9089L 527 m

Steel group

All steels except austenitic (1 to7,9,11)

Austenitic stainless steels (8.1, 8.3.8.4,l O)

Fully austenitic steels (8.2)

Page 10 prEN 13480-2:1999

For gauge lengths other than u = 5,65 6 1, the minimum value for elongation after fracture shall be determined by conversion of the above specified values of 14 % and 16 YO using the conversion tables given:

- in IS0 2566-1 for carbon and low alloy steels:

- in IS0 2566-2 for austenitic steels.

4.1.6 (EN 10045-1) that is:

Steels shall have a specified minimum impact energy measured on a CharpyV-notch test specimen

%C % P %S

cast product cast product cast product

0,23 (0,251 0,035 0,030

0,08 0.09

0,045 0,020"

o,1 o .

- 2 27 J for ferritic and 1,5 to 5 To Ni alloyed steels;

- 2 40 J for other steels;

at a test temperature in accordance with annex 6, but not higher than 20 OC. The other requirements of annex B shall also apply.

4.1.7 CRTR 15608 properties in relation to manufacture, heat treatment after welding and non-destructive examination.

The materials shall be divided into groups in accordance with table A.l which has been taken from , They have been allocated into these groups in accordance with their chemical composition and

The grouping system in table A.l shall be used to relate manufacturing and inspection requirements to generic material types.

4.1.8 1. Exceptions shall be technically justified and agreed between the parties involved.

The chemical compositions of steels intended for welding or forming shall not exceed the values in table 4.1 -

Table 4.1-1 - Maximum carbon, phosphorus and sulphur contents for steels intended for welding or forming

I Maximum content of cast and product analysis

1) CR 7n 15608, CEN Technical Report "Welding - Guidelines for a metallic materials grouping system for fabrication purposes" June 1997 (Working document)


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STD-CEN PREN 13480-2-ENGL 1999 E 3404587 OL90892 463 E

4.2 Special provisions

4.2.1 Special properties

4.2.1.1 General

Page 11 prEN 13480-2:1999

When properties other than those specified in the technical delivery condition may influence the service life or the safe selvice of the piping system, this shall be taken into account, e.g.

- from manufacture: degree of cold forming, post weld heat treatment;

- from operation: hydrogen embrittlement, corrosion, scaling, ageing behaviour of the material after cold forming;

see also prEN 13480-3 and prEN 13480-4.

4.2.1.2 Lamellar tearing

Where lamellar tearing due to the joint design and loading needs to be addressed, improved deformation properties perpendicular to the surface. shall be agreed between the parties involved and verified in accordance with EN 1 O1 64.

NOTE: For guidance see prEN 1 O1 1.

4.2.2 Design temperature above 20 OC

4.2.2.1 A material shall only be used for pressure parts within the range of temperatures for which the material properties required by prEN 13480-3 are defined in the technical delivery conditions. If the technical delivery condition does not contain the specific material values required for the design temperature TD the values required in prEN 13480-3 for the design may be determined by linear interpolation between the two adjacent values. Rounding up shall not be allowed. For materials with particular material appraisals interpolation shall only be permitted between two tabulated values separated by not more than 50 K.

For ferritic materials, where no values are available between 20 OC and 100 OC, the values of 0,2 % proof strength for 20 OC may be used for temperatures up to and equal to 50 OC. Interpolation between 50 OC and 100 OC shall be performed with the values of 20 OC to 100 OC. Above 100 OC linear interpolation shall be performed between the tabulated values.

In the case of creep rupture strength values or strength values for plastic strain in a given time, linear interpolation is permissible only if the difference between the two temperatures serving as starting points for the interpolation is equal to or less than 10 K.

4.2.2.2 The use of materials in the creep range is not permitted unless the rupture strength values or strength values for plastic strain needed for design are specified in the base material specification. The manufacturer of the piping system installation shall be assured by the material supplier that the product supplied is capable of complying with specified properties (within the normal scatter band) by a statement that the manufacturing processes have remained equivalent to those for the steel for which the test results were obtained.

4.2.2.3 As the impact properties may be affected by long or frequent holding of the material at elevated temperatures; it is recommended that a record of the temperatures and periods of exposure to elevated temperatures be maintained for review during inservice inspection. The influence upon the lifetime expectancy shall be considered.

.

For operations such as drying and cleaning of pressure parts, steels with specified low temperature properties and no specified elevated temperature 0,2 %-proof strength values may be used for short periods at elevated temperatures with the following restriction:


Page 12 prEN 13489-2:1999 The values of o,2 % proof strength used in design calculations for elevated temperatures shall be obtained by multiplying the specified minimum yield strength values at 20 OC by the factor given in table 4.2-1. Interpolation shall be carried out as in 4.2.2.1.

Steel

Quenched and tempered

Normalised or thermomechanically treated

Temperature T

100 OC 200 "C 250 "C 300 "C

0,75 Q,68 0,64 0,60

0,70 0,58 0,53 0,48'

4.2.3 Prevention of brittle fracture

The requirements in annex B shall apply for the prevention of brittle fracture.

4.2.4 Specific requirements for bolting

Bolting includes bolts, studs and nuts.

Free cutting steel shall not be used. Bolting made of carbon steel or low alloy steel with > 3,5 YO nickel shall not be used above 300 "C.

Bolting bar material shall not have a tensile strength > 1 O00 Nlmm2 in case of ferritic and martensitic steel and in no case a fracture elongation As c 14%.

Ferritic and martensitic steels for use below - 10 "C shall be impact tested at the minimum metal temperature and show a minimum impact energy of 40 J average in the longitudinal direction.

At design temperature below - 160 "C impact testing shall be performed at - 196 OC or at the lowest design temperature, whichever is lower.

Hydrogen embrittlement, fatigue or relaxation properties shall be taken into account where appropriate.

Detailed requirements on the surface condition and internal soundness of the bar may be necessary for some applications.

NOTE WG Dis asked to fake info consideration friction between bolts a n d nuts.

Inspection documents shall be in accordance with prEN 764-5.

4.3 Technical delivery conditions for products used in industrial piping

4.3.1 General

All technical delivery conditions shall be as required in prEN 764-4.

4.3.2 European Standards

The European Standards for plates, strip, bars, tubes, fittings, forgings, castings, flanges, valve bodies and other safety accessories, welding consumables and fasteners for pressure parts given in table A.2 may be used within the specified limitations given in table A.3 for supply of materials for use in piping system which is subjected to conformity assessrneni procedures.


STD-CEN PREN L3480-2-ENGL 1999 3404589 0390894 23b H

Page 13 prEN 13480-2:1999

NOTE prEN for valve bodes, welding consumables and bolts are not yet included in annex A.

The materials contained in table A.3 meet all general requirements of this European Standard if the limitations given in the table are followed..Special provisions due to fabrication and operation shall be taken into account, if applicable.

4.3.3 European approval for materials

A material specified in an EMDS for piping system shall only be used within its range of application.

4.3.4 Particular material appraisals

Other materials may also be used provided that they have been accepted by a particular material.appraisal in accordance with prEN 764-4.

4.3.5 Technical delivery conditions for clad products

Until European Standards for clad products for pressure parts are available the details of the requirements for these products shall be agreed between the parties involved taking into consideration the requirements in annex C 2).

4.3.6 Technical delivery conditions for welding consumables

Welding consumables used for the welding of pressure parts and attachments to pressure parts shall be in accordance with prEN 12074 (see also prEN 13480-4).

4.4 Marking

The marking of the delivery units or products shall ensure traceability between them and the inspection documents.

For European standardized materials, the marking shall fulfil the requirements of the relevant product standard.

For other materials the marking shall at least contain:

- the material specification (reference, material designation);

- the manufacturers name or mark:

- the stamp of the inspection representative, if applicable;

- an identification which permits the correlation between the product or delivery unit and the relevant inspection document.

5 Requirements for materials to be used for non pressure parts

Materials for non pressure parts welded to' industrial piping and welding consumables shall be supplied to material specifications covering at least requirements for the chemical composition and the mechanical properties. These materials shall be compatible with the material to which they are attached. If non pressure parts are welded to pressure parts, the latter must not be unduly affected.

2) NOTE: Examples of national documents covering technical delivery conditions for clad steel are given in [4] to (61.


STD-CEN P R E N L3480-2-ENGL 1999 3404589 0190895 172

IGroup

Page 14 prEN 7 3480-2:1999

Type of steel') Steels with a minimum yield strength RcH S 360 N/mm2 and with analysis in %:

Annex A (normative)

but Mo I 0,08 Yo and V I 0,03 %. ......-.-.-. .............................................. " ..................................................... "" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......................................... 12 Steels with a minimum yield strength 275 N/mm c kH 5 360 N/mm2 and composition as indicated

under 1 but Mo s 0,OS Yo and V I O 03 %. 1.3 Steels with improved atmospheric corrosion resistance whose analysis may exceed the requirements .--... .................................................. " ............. ............. ............................. ............................................................. ......................... .......................................... " ............................

Metallic materials for pressure equipment - grouping system and European standardized steels

.---... ...... for ............ "Any other single element" or "All other elements total"

.... 1.4 ".............. .................. Steels with a composition as indicated under 1 but 0,08 % I Mo 2 0,70 Yo, V I0,03 YO and C I0,18 %. 1.5 Steels with a composition as indicated under 1 but Mo 5 0,08 % and 0,03 % < V I 0,12 YO. 2 Normalized or thermomechanically treated fine grain steels and cast steels with a specified minimum

yield strength 360 N/mm2 ........ < Re,{ I460 N/mm2. ......... 2.1 ...... ..... Normalized fine grain steels and cast steels as indicated under 2 2.2 Therrnomechanically treated fine grain steels as indicated under 2 ') In accordance with the definition in the material standards, ReH can be replaced by R,.z.

..- .............- .................... "... " ................... "" .- .............. " ........................ " ...................... ....... #".. .................................................... .. .................................. - ....................... ............................. " ............................. ...... " ............................................................................................................................................. ...

.......... ......... .......... ".........".I ...... ...... """ .... " " .......... " - ....................... ..." ..... ..... ................... " ..................................................... ............................................................... ................. .................................... I. .........................................................................................................................................................................................................................

(continued)

A1 Grouping system for metallic materials for pressure equipment

Steels are grouped as shown in table A.l. The figures given in group 1 are referring to the ladle analysis of the materials. The figures given in group 4 to 10 are based on the element content used in the designation of the alloys.

11.1

C 00,25 Si S0,60 Mn 5 1,70 Mo 50,70

S 50,045 P 50,045 Cu sO,35 Ni sO,5

Cr 5 0,3 (0,4 for castings) Nb SO,O5 v r0,12 Ti S0,85

No other element specified Steels with a minimum specified yield strength R.eH 5 275 N/mm2 and composition as indicated under 1



~~

STDeCEN PREN 13480-2-ENGL 1999 = 3404589 0390897 T 4 5

CI S

E n - 7 U Q Q 7 u) v)

P O

u) 8 aa u)

O u)

L

L L

c - U

L

r

3 U c o 3i s n

a

o)

O

w c O >r Q

I u)

L

z

I a N a)

c z

-

L m o t

; t m e, Q 2

E O L

3 e,

E m S C

L

-

tn =

2 n

e

m U al

O

O C U 3 o c

c

.- - - c - -


.-

-E m

in



~ ~ ~ ~ ~~

STDOCEN PREN L3480-2-ENGL 1999 3404589 OLSÒSOO 3bT



z P L

~

STDOCEN PREN 13480-2-ENGL 1999 II 3404589 0190902 332 H


c! a

I I I I I I I I


STD.CEN PREN 13480-2-ENGL 1999 6 3404589 0390904 TOS E



~

STD-CEN PREN L3Y80-2-ENGL 1999 3404589 0390906 888 I



STD-CEN PREN 13480-2-ENGL 2999 E 3404589 0190908 b50 111


STD.CEN PREN 13480-2-ENGL 1999 I 3404589 0190909 597 I


~

STD-CEN PREN L34ô0-2-ENGL 1779 I 3404587 OL90910 209 811



Page 31 prEN 13480-2:1999

Annex B (normative)

Requirements for prevention of brittle fracture

B.l General

This annex provides criteria for the avoidance of low temperature 3, brittle fracture of metallic materials; in the form of plate, strip, tubes, fittings, forgings, castings, flanges, valve bodies, fasteners and weldments used in pressure parts. T h e criteria are based on impact energy requirements a t specified temperatures for the base material, heat affected zone and weld metals. The properties for the base material shall be specified by material standards.

B.2 General description

This annex defines three altemative methods for establishing the impact requirements to avoid low temperature brittle fracture in metallic materials. The three methods are:

Method 1 Technical requirements developed from operating experience and applicable to all metallic materials, but limited to certain thicknesses for which experience exist (see table B.4-1).

Method 2 Technical requirements developed from fracture mechanics principles and operating experiences but only applicable to C, C-Mn and low alloy ferritic steels with a specified minimum yield strength 5 460 N/mm2. It can be applied to a wider range of thicknesses than method 1 and is less restrictive than method 1 for thinner materials (see figures 6.1 to B.5).

Method 3 The application of a fracture mechanics analysis. This general route is applicable to cases not covered by methods 1 or 2. This route may also be used to justify deviations from the standard requirements. Only general guidance is given on the use of this method which shall only be used in agreement with the parties concerned.

Each of the three methods may be used independently. It is only necessary to satisfy the requirement of any one method

8.3 Definitions

8.3.1 Minimum metal temperature The minimum metal temperature TM is the lowest temperature defined for each of the following conditions (see also 3.3.2.8.3.3):

- temperature during nort6al operations;

- temperature during start up and shut down procedures;

- temperature which may occur during possible process upsets;

- temperature which may occur during pressure or leak testing.

3) including temperatures at pressure tests


Page 32 prEN 13480-2:1999 8.3.2 Temperature adjustment term The temperature adjustment term Ts is relevant to the calculation of the design reference temperature TR and is dependent on the pressure induced principal membrane stress at the appropriate minimum metal temperature. The values of Ts are defined in 8.4.1.2.

8.3.3 Design reference temperature The design reference temperature TR is the temperature used for determining the impact energy requirements.

TR is determined by adding the adjustment Ts to the minimum metal temperature TM:

At1 applicable combinations of the temperatures TM and Ts shall be considered and the lowest possible TR-value shall be used for the determination of the required material impact test temperature.

8.3.4 Impact test temperature The impact test temperature TKv is the temperature at which the required impact energy has to be achieved (see 0.5).

8.3.5 Impact energy The impact energy W ' i s the energy determined from Charpy-V-notch tests (see table 8.4-5) performed in accordance with EN 10045-1 (see 8.4).

8.3.6 Reference thickness e8 The reference thickness eB of a component is the thickness to be used to relate the design reference temperature TR of the component with its required impact test temperature TKv, (see table B.4-1 and figures B.l to 8.4). The reference thickness eB is based on the nominal thickness (including corrosion allowance) and shall be as defined in table 8.9. For butt welded components eB is the nominal wall thickness of the component at the edge of the weld preparation.

B.4 Material selection and impact energy requirements

One of the following three methods shall be used to determine the impact energy requirements to avoid brittle fracture.

8.4.1 Method 1 - Code of practice

B.4.1.1 General

The impact energy requirements for the material defined in table A.3 are given in table 8.4-1. The impact energy requirements KVshall be met in the base material, heat affected zone (HAZ) and weldment at the material impact test temperature TKv.

Values of TR shall be calculated from TM using the values of Ts given in 8.4.1 2.

An alternative procedure to table 8.4-1 for ferritic steels (C, CMn and fine grain steels) and 1.5-5% Ni-alloyed steels, 1s given in method 2 in 8.4.2. This method can be used at a design reference temperature TR which is lower than the corresponding value derived by table 8.4-1.


STD.CEN PREN 13480-2-ENGL 1999 3404589 DL90914 954 1111

TR

TR?

- 196 OC

Page 33 prEN 13480-2:1999

For non-ferrous metallic material no impact testing is required provided the base material and the weldment is ductile and no ductile-briile-transition occurs above the minimum metal temperature TM. If in-service degradation occurs, this effect shall be taken into account. *

For as welded s 30 mm For post weld heat treated I 60 mm

Table B.4-1- General requirements for prevention of brittle fracture

TM

Material group I 1mpactc;ergy

I 3 0 mm

Ferritic steel, 1 3 - 5 % Ni alloyed steels

from austenitic stainless steels2)

27 J

27 J

40 J

40 J3)

Austenitic ferritic I 40 J

stainless steels

- 196 O C 4 )

no impact test I 5 m m

Remarks

R,I 310 N/mm2

31 O N/mm2 < R, I 4 6 0 N/mm2

'

Limited to TM 2 - 30 OC only for unwelded condition and TM 2 - 50 OC

) Production test plates shall be tested at TKv = TR. Impact values in the weld, 27 J are required. For the extent of non-destructive testing see testing category 1, prEN 13480-5.

2 )

3,

See table 8.6-1 lowest minimum design temperature TM of solution annealed austenitic steels.

If in the Material Standard prEN 10028-7 higher impact values are required, these impact energies have to be fulfilled for the weld material at TKv - 196 OC if TR I - 196 OC.

For TR 5 - 196 OC testing shall be at TKv = - 196 OC. Requirements for base material see relevant material standard.

) 4

B.4.Y 9 Temperature adjustments

The temperature adjustment Ts, given in table 8.4-2, which may be used if the pressure induced principal membrane stress does not exceed the percentage of the maximum allowable design stress, or 50 N/mm2.

.


Page 34 prEN 13480-2:1999

Table 8.4-2 - Temperature adjustments

Nickel alloyed steels with less than 3.5 % Ni

) Also applicable for equipment where all nozzles and non-temporary welded attachments are first welded to vessel components and these subassemblies are post-weld heat treated before being assembled into the equipment by butt-welding, but the main seams are not subsequently post-weld heat treated.

*) In this case the membrane stress should take account of internal and external pressure and dead weight.

1

- 60 "C

8-4-1-3 Additional procedures a n d requirements

~~ ~~

Nickel alloyed steels with 2 3 3 % Ni; < 5 % Ni

Nickel alloyed steels with 2 5 % Ni; < 9 % Ni

8.4.1.3-1 Ni-alloyed steels with thickness thinner than 5 mm

- 100 "C

- 120 "C

For materials 5 mm and thinner in AW or PWHT condition, impact tests shall not be required, provided that the minimum metal temperature is not lower than given in table 8.4-3.

1 Nickel alloyed steels with 2 9 % Ni I -200°C I

8-4-1-3.2 Ferritic bolts and nuts

For boits and nuts a n impact energy obtained from longitudinal specimens of 40 J shall be required a t TKV = RT for TM = - 10 "C. If Tsl is lower than - 1 O OC a n impact energy of 40 J is required at TKv = TM.

8.4.2 Method 2 - Code of practice developed from fracture mechanics for C, CMn, fine grain and low alloyed steels with specified minimum yield strength s 460 N/mm2

8.4.2.1 General

This method, based on fracturèrnechanics can be used to determine the requirements to avoid brittle fracture in C, CMn, fine grain and low alloy steels with a specified minimum yield strength <460 N/mm'. In this procedure the impact test temperature TKv is not equal to the design reference temperature TR.


Page 35 prEN 13480-2:1999

Parent material, welds 4, and HAZ shall meet the impact energy W a n d impact test temperature TKv requirements in table 8.4-4 for design reference temperatures TR and reference thicknesses eB. Values of TR shall be calculated from TM using the values of Ts given in 8.4.2.2.

For materials with a specified minimum yield strength > 310 Nlmm2 the impact energy at Ti;" given in figure B.l and figure 8.2 shall be 40 J. Where 27 J is specified in the product standard, figure 8.3 for the post-weld heat treated condition applies. For the as welded case with minimum yielt strength in the range > 310 N/mm2 and I 360 N/mm2 figure 8.4 shall apply. For minimum yield strength > 360 N/mm figure B.5 shall apply.

Specified minimum yield strength of base material

Required impact energy KV (on 10 mm x 10 mm test pieces)

[N/mm2] [JI 310 27

40

27 ~

40

27

> 310, I 3 6 0

> 360

Figure defining required TKv N~~ and As welded post-weld heat

treated B.l B.2

B. 1 8.2

8.3 8.4

B.l 8.2

6.3 8.5 L I I 1 I

. . .. "... .-"- [mml

- 8

B.4.22 Temperature adjustments

The temperature adjustment T,, given in table 8.4-2, which may be used if the pressure induced principal membrane stress does not exceed the percentage of the maximum allowable design stress, or 50 N/mm2.

. ._.

["CI ["CI - 20 - 35

8.4.2.3 Procedure for base material less than 1 O mm thick

Minimum TR values are given in table B.4-5 for use when the base material is less than 10 mm thick and the testing temperature TKv is 20 "C. The impact energy requirements are as specified in the relevant materials standards.

If these materials are to be used below the TR values given in table 8.4-5 the testing shall be performed according to the relevant curve for 1 O mm in figure B.l to figure B.5. The required energies for the sub-sized specimens are given in in hlp R S-1

6 4 7

Table 8.4-5 - Minimum TR-values for base material less than 1 O mm tnicK and GV = 20 "C

1 Thirknpsc 1 AW I PWHT 1

* 25 - 40 - 40 * 55 - 55 - 70

4) The impact energy requirements for welds shall be based on the yield properties of the material defined in table A.3.


Page 36 prEN 13480-2:1999

8.4.3 Method 3 - Fracture mechanics analysis

8.4.3.7 A fracture mechanics analysis (14 to [1 piping systems for their intended duty when so agreed between the parties concerned for the following:

may be used as a basis for determining the suitability of particular

a) materials not currently covered by standard product codes;

b) those cases where the requirements for low temperature applications cannot be adhered to;

c) where defects outside the non-destructive testing requirements are detected;

d) where it is proposed to use materials in thickness greater than permitted by the low temperature requirements.

Such analyses shall be undertaken generally in accordance with the following requirements.

8.43.2 Fracture toughness properties should be obtained in accordance with fracture toughness testing procedures using full thickness single edge notched bend specimens or equivalent compact tension tests with fatigue cracks located through thickness in the weld centre-line and in parent material. Further test sampling of heat affected zone regions may also be specified,. particularly when fatigue or some other in-service crack growth mechanism may be significant.

When HAZ tests are specified special considerations shall be necessary with regard to the placement of the notch and metallurgical sectioning subsequent to testing.

8.4.3.3 For material not covered by the low temperature requirements of Methods 1 or 2, a similar level of tolerance b fracîure can be obtained by specifying, fracture toughness requirements determined from the use of Assessment Procedures such as in’[lO] with a reference defect size as agreed by the parties involved (e.g. a through wall flaw of total length equal to 10 mm, or a quarter wall thickness surface flaw with length six times its depth) and inputs of an equivalent stress (or strain) relating to the hydraulic test condition, for a defect in a region of stress concentration and subject to residual stresses equivalent to the ambient temperature yield strength of the base material for as welded components, or 30 % of yield for post weld heat treated components.

8.43.4 lf non-destructive testing methods are employed which allow accurate sizing of defects, these values, together with information on the stress state of the critical regions in the vessel, can be used with appropriate fracture assessment procedures to specify more accurate toughness requirements than those specified by Method 1 or 2.

8.4.3.5 For materials which are covered by the low temperature requirements for method 1 or 2, but where the Charpy impact energy requirements cannot be met, a fitness-for-purpose assessment using representative fracture toughness data and inspection requirements may be employed to determine the integrity of the vessel for its intended use.

B.5 General test requirements

B5-1 General . Where impact tests are required they shall be Charpy V-notched tests in accordance with EN 10045. The impact energy requirements shall be met in the base material, heat affected zone and weld metal, The specimen position shall be inaccordance with EN 288-3, clause 7,4.4. (in the case of applying austenitic ferritic steels the notch position oflthetirnpact specimens has to be on the fusion line). From each sample three specimens shall be tested for each of the required positions and test temperatures. The mean value of the three specimens shall be at least equal to the impact energy requirement. Only one specimen may show a lower value, but this value shall not be less than 70 % of this requirement.


~ ~ ~ -

STD-CEN PREN L34ôO-2-ENGL 3999 3404589 03909L8 5TT m

l o x 10

27 J

40 J

Page 37 prEN 13480-2:i 999

The required values for base material refer to the transverse direction. If transverse properties are not obtainable, the minimum impact energy requirements specified for transverse test pieces shall be multiplied by the factor 1.5 for C, CMn, fine grained and low alloyed steels with a minimum specified yield strength I 4 6 0 N/mm2. (For other materials refer to product standard).

1 0 x 5

19 J

10 x 7.5

22 J

32 J 28 J

I

8 . 5 2 Subsized specimens

Impact energy Reference size Sub-sized specimen requirement KV KV Specimen geometry Shift of impact test

14 [mm x mm] tJ1 [mm x mm] temperature

27 7 6 x 10 20 7 5 x 10 TKV 5 "c

14 5,O x 10 TKV - 20 "C

40 10 x 10 30 7,5 x 10 T K V - 5 "C

20 5,O x 10 TKV - 20 "C 20 7,5 x 10 14 5,O x 10 TKV - 15 "C 30 7,5 x 10 20 5,O x 10 TKV - 15 "C

b

If the base material is less than 1 O mm thick the energy requirements are given in table B.5-1.

14

20

Table 8.5-1 - Impact requirements for sub-sized Charpy V-notched specimen if the base material is less than 10 mm thick

Dimensions in millimetres

5,O x 10 5,O x 10

1 Specimen geometry I

Alternatively, where proportional reduced energy requirements are preferred, table 6.5-2 shall be applied.

B.53 Sub-sized specimens for components from which it is not possible to extract specimens of section size equal to the reference thickness

There are cases of unusually shaped components andlor weld procedure and production plates where the Charpy V- notched impact test specimen extracted is either < 10 mm or not representative of the section thickness.

In these cases sub-sized specimens shall be tested at lower impact test temperature to model the behaviour for a full thickness specimen. The temperature shifts are given in table 6.5-2.

Impact tests should be performed on the maximum thickness which can be extracted from the component under consideration.

Table 8.5-2 - Equivalent impact energy requirements when sub-sized specimens are extracted from thicker sections

Dimensions in millimetres


Page 38 prEN 13480-2:1999

B.6 Welds

B.6.7 General

When materials shall b I I joined by welding, the choice of consumables and procedures (EN 288 series) shall ensure

that in additionitoirequirements of prEN 13480-4 the required impact energy properties are achieved in weld and heat affected zone regions, when tested in accordance with clause 8.5.

NOE: CENKC 267NG D should compare the reference to prEN 13480-4, which was prEN 13445-4.

The required impact energy shall be at least equal to the specified impact energy for the base metal.

8.6.2 Welding procedure qualifications

Weld procedure qualification shall be performed in accordance with 7.3 of prEN 13480-4.

B.6.3 Production test plates

The weid production test plate shall be performed in accordance with clause 9 of prEN 13480-4.

In addition to this a weld production test is required according to the welding procedures specification (WPS) for TKv2 - 3OoC. if the material thickness is greater than 12 mm under consideration of 9.2.2 - 9.2.3 of prEN 13480-4.

For TKv 5 - 30 OC in general a production test plate is required if the material thickness is greater than 5 mm.

The impact energy requirements of method 1 or 2 shall be met.

.


STD-CEN PREN b3480-2-ENGL 1999 E 3404589 0190920 158

Material (prEN 10028-7) X1 CrNiMoCuN 25-25-5 X1 NiCrMoCu 31-27-4 X1 NiCrMoCuN 25-20-7 X1 CrNiMoCuN 20-1 8-7 X1 CrNiMoN 25-22-2 X1 NiCrMoCu 25-20-5 X1 CrNi 25-21 X2CrNiMoN 17-1 3-5 X2CrNiMoN 17-13-3 X2CrNiMoN 17-11-2 X2CrNiMoN 18-12-4 X2CrNiMo 18-15-4 X2CrNiN 18-1 O

Page 39 prEN 13480-21 999

Material No. TM (OC) 1.4537 1.4563 1.4529 1.4547 1.4466 1.4539 1.4335 1.4439 1.4429 - 270 1.4406 1.4434 1.4438 1.431 1

Table B.6-1 - Austenitic stainless steels and their lowest minimum metal temperature TM

X6CrNiTi 18-1 O X3CrNiMo 17-13-3 XGCrNiMoNb 17-1 2-2 X2CrNiMo 17-1 2-3 X5CrNiMo 17-1 2-2” X2CrNiMo 17-1 2-2 XGCrNiNb 18-1 O X5CrNi 18-1 O’’ X2CrNi 18-9

1.4541 1.4436 1.4580 1.4432 1.4401 1.4404 1.4550 1.4301 1.4307

- 196

X2CrNiMo 18-1 4-3 . I 1.4435 1 XGCrNiMoTi 17-12-2 I 1.4571 1 X2CrNi 19-1 1 I 1.4306 1

.


Page 40 prEN 13480-2: 1 999

"C

20

O

-20

-40

-60

-80

-100

-120

Thickness (mm)

605 110 50

40 30 20 10

-60 -50 -40 -30 -20 -10 O 10 20 "C

Material impact test temperature

Figure B.l - Design reference temperature and impact test temperature post weld heat treated condition

.


~

STD*CEN PREN 234BO-Z-ENGL 1999 II 3404589 0190922 TZO 111

"C

40

20

Page 41 prEN 13480-2:1999

4

Thickness (rnm)

O

-20

-40

-60

-80

-100

Material impact test temperature

Figure 8.2 - Design reference temperature and impact test temperature as welded condition

"C 60

40

20

O

-20

-40

-60

-80

Thickness (mm)

110

-60 -50 -40 -30 -20 -10 O 10 20 "C Material 'impact test temperature +

Figure B.3 - Design reference temperature and impact test temperature post weld heat treated condition


STDmCEN PREN L3480-2-ENGL 1979 3404589 OLîO9z13 9b7 m

Page 42 prEN 13480-2:1999

t "C Thickness (mm)

E 3 ai al

c1

L-

E al al o C

al

L

p!

L Y-

Figure B.4 - Design reference temperature and impact test temperature as welded condition

$. "C

60

40

20

O

-20

-40

-60

-80

Thickness (mm) 35 30 25 20 15

5 10

"C -60 -50 -40 -30 -20 -10 O 10 20 Material impact test temperature -+

Figure 8.5 - Design reference temperature and impact test temperature as welded condition


lutt welded components of unequal thickness

I I

hanches and nozzles

*) The minimum test temperature of the conditions: (AW), (PWHT) shall be taken.

Page 43 prEN 13480-2:1999

Table B.9 - Reference thickness eg _ _ ~

Reference thickness as- velded

or PWHT

Construction detail

Part A Weid Part B

A-W e2 e2 check e, n figures i or 3 *)

PWHT e2 e3

e2 e2 A-W

~

e2 e2 PWHT

A A-W e2 e2

or e, if thicker

I I I - ,ell

PWHT e2 e2

or e3

if thicker

A-W e2 e2

or e3 if thicker

I - l -cp I l

PW H1 e2 e2

or e,

if thickei I

A .


sTD.CEN PREN L3480-2-ENGL Lqqq 3404589 0390925 73T m

Page 44 prEN 13480-2:1999

Table B.9 - (continued)

as- welded

or PWHT

Construction detail Reference thickness

Part A Weld Part B

e3 e2 or e3

if thicker

e2 A-W

PWHT e2

or e3

if thicker

e2 e3

A-W e2 e2 e1 or epJ4

if thicker

=f rc7

. e2 ?, *)or ep~4

if thicker necessaq :heck e, in aures 20r 1

PWHT e2

e2 A-W e3 or ep J4

if thicker

PWHT 4 J*) or epJ4 if thicker necessar)l :heck e, in igurec 2 or

4

e3

The minimum test temperature of the conditions: (AW), e;j (PWHT) shall be taken.


The minimum test temperature of the conditions: e;! (AW), e;j (PWHT) shall be taken. 1

e2 *)

1 check epJ

as- welded

or PWHT

~

STD.CEN PREN 33480-2-ENGL Lqq9 3404589 0390926 b7b

Page 45 prEN 13480-2:1999


Reference thickness Construction detail

Part A Weld Part B

ep J4 e2 e2 A-W

'W HT

A-W

PWHT

p-on and plate flanges

e2 e2 epJ4

W

ep J4 e2 e2

e2 e2

I e rst

A-W e2 orged or cast welding neck flanges " . - - - - - - - . - -

I

in figures 1 Or3

e2

if thickei 1 _ _ _ _ .. .--- } ef may be measured radially if that gives an advantage


STD-CEN PREN L3V80-2-ENGL L999 3404589 03909L37 502 D

e2 -1

check f?pV/'

in fig.1 or 3

Page 46 prEN 1 3480-2: 1 999


as- weldec

or PWHT

Reference thickness Construction detail

Part A Weld Part B

A-W e2 *)

check ep j d in figures

1 or3

e2 'ad-type flanges

PW HT e2 or epJ4

if thicker

e2

- ... - fat ends A-W ep J4

or e,

if thicker

a 1

PWHT el el epd4

or el if thicker

A-W e2 e2 n

PWHT e2 epJ4

or e2

if thicker

e2

The minimum test temperature of the conditions: e;! (AW), (PWHT) shall be taken.


STD-CEN PREN 33480-2-ENGL 3999 3404589 0390928 449 E

Page 47 prEN 13480-2:1999


Construction detail

:overs and blind flanges

ibe plates

--I I e---- --=+

as- Reference thickness

e'ded or - 'WHT 1 A-W ep J4

)W HT

PWHT

A-W

PWHT

epJ4

n. a.

ep J4

epJ4

or e2

if thicker

~

epJ4

or e2

if thicker

We'd I Pa*B

n. a.

n. a.

e2

n. a.

n. a.

e2

e2


Page 48 prEN 13480-2:1999


as- welded

or PWHT

Construction detail Reference thickness

Part A Weld Bart B

A-W epJ4

or e2

if thicker

e2 e2 delded into shellkhannet

e”

PWHT epJ4 or e2

if thicker

e2

t e f e r a b nnt tn ho 1 t c d

Drged tube plate with stubs e2 A-W e2*’

:heck ep J4

n figures 1 or 3

PWHT e2 epJ4

or e2

if thicker

e2

A-W e;)

or e3

if thicker

iheck epJ4

ifig. 1 or 3

epJ4

or e2

or e3

if thicker

PWHT

The minimum test temperature of the conditions: (AW), (PWHT) has to be taken.


STD-CEN PREN L3480-2-ENGL 1999 3404589 0390930 O T ï m

as-

Page 49 prEN 13480-2:1999

Reference thickness

Table B.9 - (continued) ~~

Construction detail

ube-to-tube plate connection

_- I reference thickness of part A is unaffected by this connection.

welded or

PWHT Part A

PWHT

Weld -

. PartB

e1

.


~ ~~~~ ~~ ~

STD.CEN PREN 13YBO-2-ENGL 199'7 m 3404589 0190931 7'33

Page 50 prEN 13480-2: 1 999

Annex C (informative)

Provisional technical delivery conditions for clad products for pressure purposes

C.l Introductory note

Until a European Standard for clad steel products for pressure purposes is available, the following requirements may form the basis for an agreement of the involved parties, on the technical delivery conditions for such products,

C.2 Requirements for the material

For the material of clad products the relevant conditions of this part apply.

in addition, where appropriate, requirements for impact tests of the kind described in C.3, item b, shall be agreed at the time of enquiry and order.

C.3 Requirements for the deposited material

The cladding material shall, when after complete removal of the base material being tensile tested, show an elongation after fracture of As 2 12 %.

C.4 Qualification of the cladding procedure

Before commencing production suitable cladding conditions shall be verified by cladding procedure qualification tests, including welding procedures tests for weld overlay if applicable. These conditions shall be carefully observed when cladding the products in the plant.

The cladding procedure qualification tests shall normally comprise

a) tensile tests

b) Charpy-V-notch impact tests at the temperature specified for test pieces taken from the cladded base material so that

- one side of the test piece coincides with the bounding area between the base and deposited material

- that the longitudinal direction of the test piece is transverse to the direction of rolling and

- that the axis of the notch is perpendicular to the next surface of the base material (see figure C.l , item d),

c) bend jests on test pieces which, as shown in figure C.2 cover the bounding zone and are bend in a direction parallel to the bounding zone,

d) the examination of the hardness, micro and macrostructure and chemical composition in the transition zone.

C.5 Production tests

During production in suitable intervals samples of the base material shall be clad under the s a m e conditions as the products and be tested. The types of tests to be carried out and the requirements to be complied with shall be agreed on the basis of the results of the cladding procedure qualification tests and practical experience.


~ ~

STD-CEN PREN 13480-2-ENGL 1999 3404589 0190932 97T 81

. Page 51 prEN 13480-2:1999

a) shear test specimen b) tensile test specimen c) side bend test specimen d) e) material f) cladding material

notched bar impact bend test specimen

Figure C.l - Position of test pieces

Test Layout

I I

I W 7 P w I k I . - I

I . Dimensions of specimen Thickness c = 10 mm Width: b = thickness of finished product not greater

than EO mm (base and cladding material) if finished product is over 80 mm thick the base material may be removed.

Length: I = not less than 130 mrn u = 90"

Figure C.2 - Bend test for clad products


STD.CEN PREN 13480-2-ENGL 1977 3404589 0190933 806 4

Page 52 prEN 13480-2:1999

Bibliography

[31

I91

Directive No 97/23/EC of the European Parliament of the Council on the approximation of the Laws of the Member States concerning Pressure Equipment, Brussels, Official Journal EC, July 1997. Global Approach to Certification and Testing, published in the "Official Journal of the European Communities" from 89-1 0-1 9, No C 267/1 to 27. Guide to the implementation of Community Harmonization Directives based on the new approach and the global approach; first version from February 1993 AD-Merkblatt W 8. Plattierte Stähle (clad steels); July 1987 Codap, Section M 5: Rules applicable to ferrous and non ferrous cladded metal sheets

SEL 075: Plattierte Erzeugnisse (plated products); February 1983 Sanz G., Rev Metal CIT 1980, pp 621 -642. Sandström R., "Minimum usage temperatures for ferritic steels" Scandinavian Journal of Metallurgy 7 6 (1 987), pp 242-252.

Garwood S. J. and Denham J. B., 'The fracture toughness requirements of BS 5500', ASME pressure vessel and piping conference (1 988), paper 88-PBP-7. Guidance on methods for assessing the acceptability of flaws in fusion welded structures, BSI: f D 6493: 1991. Assessment of the Integrity of Structures Containing Discontinuties, INSTA Technical Report, Materials Standards Institute, Stockholm 1991.

.


STD-CEN PREN 33480-2-ENGL 1999 II 3404569 0390934 7Y2 m

Content PED

Page 53 prEN 13480-2:1999

EN 13480-2 harmonised clauses

Annex ZA (i n f o r mat i ve)

Annex 1, 2.2.3 (b), 5th indent

Annex 1.2.6

Annex 1,2.7

Clauses of this European Standard addressing essential requirements or other t provisions of EU directives.

provision and consideration of appropriate material 4 properties

consideration of corrosion 4.2.1.1

consideration of wear 4.2.1.1

,

This European standard has been 'prepared (under a mandate given to CEN by the European Commission) and supports essential requirements of the PED [l] with regard to material requirements.

WARNING: Other requirements and other EU Directives may be applicable to the product(s) falling within the scope of this standard.

~~~

Annex 1.4.1 (b), (c)

Annex 1.4.1 (d)

Annex 1,4.2 (b)

Annex 1,7S

The clauses of this standard given in table ZA.l are likely to support requirements of the PED.

chemical resistance to the fluid to be contained, natural not dealt with, to be ageing considered in Design

and Manufacture

material suitable for intended processing procedure 4.1.8

3 types of material compliance 4.1.7

detailed requirements on elongation after rupture for steel 4.1.5

detailed requirements on bending rupture energy for steel 4.1.6 and Annex B

Compliance with (these clauses of) this standard provides one means of conforming with the specific essential requirements of the Directive concerned and associated EFTA regulations.

Table ZA.1- Comparison between PED and this European Standard with respect to material of pressure equipment

Annex 1,4.1 (a) ~~ ~~ I prevention of brittle fracture I 4.1.6 and Annex 8

.


Documents

PREN 13480-2