A 240 _ A 240M _ 04 ;QTI0MC0WNA__

8/13/2019 A 240 _ A 240M _ 04 ;QTI0MC0WNA__

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Designation: A 240/A 240M – 04

Standard Specification forChromium and Chromium-Nickel Stainless Steel Plate,Sheet, and Strip for Pressure Vessels and for General

Applications1

This standard is issued under the fixed designation A 240/A240M; the number immediately following the designation indicates the year

of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.

A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

This standard has been approved for use by agencies of the Department of Defense.

1. Scope*

1.1 This specification2 covers chromium, chromium-nickel,

and chromium-manganese-nickel stainless steel plate, sheet,

and strip for pressure vessels and for general applications.

1.2 The values stated in either inch-pound units or SI units

are to be regarded separately as standard. The values stated ineach system are not exact equivalents; therefore, each system

must be used independently of the other. Combining values

from the two systems may result in nonconformance with the

specification.

1.3 This specification is expressed in both inch-pound and

SI units. However, unless the order specifies the applicable

“M” specification designation (SI units), the material shall be

furnished in inch-pound units.

2. Referenced Documents

2.1 ASTM Standards: 3

A 370 Test Methods and Definitions for Mechanical Testing

of Steel ProductsA 480/A 480M Specification for General Requirements for

Flat-Rolled Stainless and Heat-Resisting Steel Plate,

Sheet, and Strip

A 923 Test Methods for Detecting Detrimental Intermetallic

Phase in Wrought Duplex Austenitic/Ferritic Stainless

Steels

E 112 Test Methods for Determining Average Grain Size

E 527 Practice for Numbering Metals and Alloys (UNS)

2.2 SAE Standard:

J 1086 Practice for Numbering Metals and Alloys (UNS)4

3. General Requirements

3.1 The following requirements for orders for material

furnished under this specification shall conform to the appli-

cable requirements of the current edition of SpecificationA 480/A 480M.

3.1.1 Definitions;

3.1.2 General requirements for delivery;

3.1.3 Ordering information;

3.1.4 Process;

3.1.5 Special tests;

3.1.6 Heat treatment;

3.1.7 Dimensions and permissible variations;

3.1.8 Workmanship, finish and appearance;

3.1.9 Number of tests/test methods;

3.1.10 Specimen preparation;

3.1.11 Retreatment;

3.1.12 Inspection;

3.1.13 Rejection and rehearing;3.1.14 Material test report;

3.1.15 Certification; and

3.1.16 Packaging, marking, and loading.

4. Chemical Composition

4.1 The steel shall conform to the requirements as to

chemical composition specified in Table 1 and shall conform to

applicable requirements specified in Specification A 480/

A 480M.

5. Mechanical Properties

5.1 The material shall conform to the mechanical properties

specified in Table 2.5.2 When specified by the purchaser, Charpy impact tests

shall be performed in accordance with Supplementary Require-

ment S1.

1 This specification is under the jurisdiction of ASTM Committee A01 on Steel,

Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee

A01.17 on Flat-Rolled and Wrought Stainless Steel.Current edition approved Jan. 1, 2004. Published January 2004. Originally

approved in 1940. Last previous edition approved in 2003 as A 240/A 240M – 03c.2 For ASME Boiler and Pressure Vessel Code applications see related Specifi-

cation SA-240 in Section II of that Code.3 For referenced ASTM standards, visit the ASTM website, www.astm.org, or

contact ASTM Customer Service at [email protected]. For Annual Book of ASTM

Standards volume information, refer to the standard’s Document Summary page on

the ASTM website.

4 Available from Society of Automotive Engineers, 400 Commonwealth Dr.,

Warrendale, PA 15096.

1

*A Summary of Changes section appears at the end of this standard.

Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.Contact ASTM International (www.astm.org) for the latest information

8/13/2019 A 240 _ A 240M _ 04 ;QTI0MC0WNA__


6. Materials for High-Temperature Service

6.1 The austenitic H Types shall conform to an average

grain size of ASTM No. 7 or coarser as measured by Test

Methods E 112.

6.2 Supplementary Requirement S2 shall be invoked when

non-H grade austenitic stainless steels are ordered for ASME

Code applications for service above 1000°F [540°C].

6.3 Grade S31060, unless otherwise specified in the pur-

chase order, shall conform to an average grain size of ASTM

No. 7 or coarser, as measured by Test Methods E 112.

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T A B L E

1

C o n t i n u e d

U N S

D e s i g n a t i o n B

T y p e C

C a r b o n D

M a n g a n e s e

P h o s -

p h o r u s

S u l f u r

S i l i c o n

C h r o m i u m

N i c

k e l

M o l y b d e n u m

N i t r o g e n

C o p p e

r

O t h e r E l e m e n t s E

,

F

S 4 3 9 4 0

. . .

0 . 0

3 0

1 . 0

0

0 . 0

4 0

0 . 0

1 5

1 . 0

0

1 7 . 5 – 1 8 . 5

. . .

. . .

. . .

. . .

T i 0 . 1

0 – 0 . 6

0 C b

[ 0 . 3

0 + ( 3 3 C ) ] m i n

S 4 4 4 0 0

4 4 4

0 . 0

2 5

1 . 0

0

0 . 0

4 0

0 . 0

3 0

1 . 0

0

1 7 . 5 – 1 9 . 5

1 . 0

0

1 . 7

5 – 2 . 5

0

0 . 0

3 5

. . .

( T i + C b ) [ 0 . 2

0 + 4 ( C + N ) ]

m i n ,

0 . 8

0 m a x

S 4 4 5 0 0

. . .

0 . 0

2 0

1 . 0

0

0 . 0

4 0

0 . 0

1 2

1 . 0

0

1 9 . 0 – 2 1 . 0

0 . 6

0

. . .

0 . 0

3

0 . 3

0 – 0 . 6

0

C b 1 0 3 ( C + N )

m i n ,

0 . 8

0 m a x

S 4 4 6 2 6

X M - 3 3 J

0 . 0

6

0 . 7

5

0 . 0

4 0

0 . 0

2 0

0 . 7

5

2 5 . 0 – 2 7 . 0

0 . 5

0

0 . 7

5 – 1 . 5

0

0 . 0

4

0 . 2

0

T i 0 . 2

0 – 1 . 0

0 ;

T i 7 ( C + N ) m i n

S 4 4 6 2 7

X M - 2 7 J

0 . 0

1 0 N

0 . 4

0

0 . 0

2 0

0 . 0

2 0

0 . 4

0

2 5 . 0 – 2 7 . 5

0 . 5

0

0 . 7

5 – 1 . 5

0

0 . 0

1 5 N

0 . 2

0

C b 0 . 0

5 – 0 . 2

0

( N i + C u ) 0 . 5

0

S 4 4 6 3 5

. . .

0 . 0

2 5

1 . 0

0

0 . 0

4 0

0 . 0

3 0

0 . 7

5

2 4 . 5 – 2 6 . 0

3 . 5

– 4 . 5

3 . 5 – 4 . 5

0 . 0

3 5

. . .

( T i + C b ) [ 0 . 2

0 + 4

( C + N ) ] m i n ,

0 . 8

0

m a x

S 4 4 6 6 0

. . .

0 . 0

3 0

1 . 0

0

0 . 0

4 0

0 . 0

3 0

1 . 0

0

2 5 . 0 – 2 8 . 0

1 . 0

– 3 . 5

3 . 0 – 4 . 0

0 . 0

4 0

. . .

( T i + C b ) 0 . 2

0 −

1 . 0

0 ,

T i + C b

6 3 ( C + N ) m i n

S 4 4 7 0 0

. . .

0 . 0

1 0

0 . 3

0

0 . 0

2 5

0 . 0

2 0

0 . 2

0

2 8 . 0 – 3 0 . 0

0 . 1

5

3 . 5 – 4 . 2

0 . 0

2 0

0 . 1

5

( C + N ) 0 . 0

2 5

S 4 4 7 3 5

. . .

0 . 0

3 0

1 . 0

0

0 . 0

4 0

0 . 0

3 0

1 . 0

0

2 8 . 0 – 3 0 . 0

1 . 0

0

3 . 6 – 4 . 2

0 . 0

4 5

. . .

( T i + C b )

0 . 2

0 – 1 . 0

0 ,

( T i + C b ) 6 3

( C + N ) m i n

S 4 4 8 0 0

. . .

0 . 0

1 0

0 . 3

0

0 . 0

2 5

0 . 0

2 0

0 . 2

0

2 8 . 0 – 3 0 . 0

2 . 0

0 – 2 . 5

0

3 . 5 – 4 . 2

0 . 0

2 0

0 . 1

5

( C + N ) 0 . 0

2 5

S 4 6 8 0 0

. . .

0 . 0

3 0

1 . 0

0

0 . 0

4 0

0 . 0

3 0

1 . 0

0

1 8 . 0 – 2 0 . 0

0 . 5

0

. . .

0 . 0

3 0

. . .

T i 0 . 0

7 – 0 . 3

0

C b 0 . 1

0 – 0 . 6

0

( T i + C b ) [ 0 . 2

0 + 4

( C + N ) ] m i n ,

0 . 8

0

m a x

A M a x i m u m , u n l e s s r a n g e o r m i n i m u m

i s i n d i c a t e d .

B D e s i g n a t i o n e s t a b l i s h e d i n a c c o r d a n c e w i t h P r a c t i c e E 5 2 7 a n d S A E J 1 0 8 6 .

C U n l e s s o t h e r w i s e i n d i c a t e d , a g r a d e

d e s i g n a t i o n o r i g i n a l l y a s s i g n e d b y t h e A m e r i c a n I r o n a n d S t e e l I n s t i t u t e ( A I S I ) .

D C a r b o n a n a l y s i s s h a l l b e r e p o r t e d t o

n e a r e s t 0 . 0

1 %

e x c e p t f o r t h e l o w - c a r b o n t y p e s ,

w h i c h s h a l l b e r e p o r t e d t o n e a r e s t 0 . 0

0 1 % .

E T h e t e r m s C o l u m b i u m ( C b ) a n d N i o b

i u m ( N b ) b o t h r e l a t e t o t h e s a m e e l e m e n t .

F W h e n t w o m i n i m u m s o r t w o m a x i m u m s a r e l i s t e d f o r a s i n g l e t y p e , a s i n t h e c a s e o f b o t h a v a l u e f r o m a f o r m u l a a n d a n a b s o l u t e v a l u

e ,

t h e h i g h e r m i n i m u m o r l o w e r m a x i m u m s h a l l a

p p l y .

G C o m m o n n a m e , n o t a t r a d e m a r k , w i d e l y u s e d , n o t a s s o c i a t e d w i t h a n y o n e p r o d u c e r .

H I r o n s h a l l b e d e t e r m i n e d a r i t h m e t i c a l l y b y d i f f e r e n c e o f 1 0 0 m i n u s t h e s u m o f t h e o t h e

r s p e c i fi e d e l e m e n t s .

I ( A l + T i ) 0 . 8

5 – 1 . 2

0 .

J N a m i n g s y s t e m d e v e l o p e d a n d a p p l i e d b y A S T M .

K C r + 3 . 3

M o + 1 6 N = 4 0 m i n .

L S 4 0 9 0 0 ( T y p e 4 0 9 ) h a s b e e n r e p l a c e

d b y S 4 0 9 1 0 ,

S 4 0 9 2 0 , a n d S 4 0 9 3 0 .

U n l e s s o t h e

r w i s e s p e c i fi e d i n t h e o r d e r i n g i n f o r m a t i o n , a n o r d e r s p e c i f y i n g S 4 0 9 0 0 o r T y p e 4 0 9 s h a l l b e s a t i s

fi e d b y a n y o n e o f S 4 0 9 1 0 ,

S 4 0 9 2 0 , o r S 4 0 9 3 0 a t t h e o p t i o n o f t h e s

e l l e r . M a t e r i a l m e e t i n g t h e r e q u i r e m e n t s o f S 4 0 9 1 0 ,

S 4 0 9 2 0 , o r S 4 0 9 3 0 , m a y a t t h e o p t i o n o f t h e

m a n u f a c t u r e r b e c e r t i fi e d a s S 4 0 9 0 0 .

M

P l a t e v e r s i o n o f C A - 6 N M .

N P r o d u c t ( c h e c k o r v e r i fi c a t i o n ) a n a l y s

i s t o l e r a n c e o v e r t h e m a x i m u m l i m i t f o r C a n d N

i n X M - 2 7 s h a l l b e 0 . 0

0 2 % .

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T A B L E

2

M e c h a n i c a l T e s t R e q u i r e m e n t s

U N S D e s i g n a t i o n

T y p e A

T e n s i l e S t r e n g t h , m i n

Y i e l d S t r e n g t h , B m i n

E l o n g a

t i o n i n

2 i n . o r 5 0 m m ,

m i n ,

%

H a r d n e s s , m a x C

C o l d B e n d ° D

k s i

M P a

k s i

M P a

B r i n e l l

R o c k w e l l B

A u s t e n i t i c ( C h r o m i u m

- N i c k e l ) ( C h r o m i u m - M a n g a n e s e - N i c k e l )

N 0 8 0 2 0

. . .

8 0

5 5 0

3 5

2 4 0

3 0

E

2 1 7

9 5

n o t r e q u i r e d

N 0 8 3 6 7

S h e e t a n d S t r i p

1 0 0

6 9 0

4 5

3 1 0

3 0

. . .

1 0 0


P l a t e

9 5

6 5 5

4 5

3 1 0

3 0

2 4 1

. . .


N 0 8 8 0 0

8 0 0 F

7 5

5 2 0

3 0 G

2 0 5 G

3 0

H

. . .

. . .


N 0 8 8 1 0

8 0 0 H F

6 5

4 5 0

2 5 G

1 7 0 G

3 0

. . .

. . .


N 0 8 8 1 1

. . .

6 5

4 5 0

2 5

1 7 0

3 0

. . .

. . .


N 0 8 9 0 4

9 0 4 L F

7 1

4 9 0

3 1

2 2 0

3 5

. . .

9 0


N 0 8 9 2 6

. . .

9 4

6 5 0

4 3

2 9 5

3 5

. . .

. . .


S 3 1 2 7 7

. . .

1 1 2

7 7 0

5 2

3 6 0

4 0

. . .

. . .


S 2 0 1 0 0

2 0 1 - 1

I

7 5

5 1 5

3 8

2 6 0

4 0

2 1 7

9 5

. . .

S 2 0 1 0 0

2 0 1 - 2

I

9 5

6 5 5

4 5

3 1 0

4 0

2 4 1

1 0 0

. . .

S 2 0 1 0 3

2 0 1 L F

9 5

6 5 5

3 8

2 6 0

4 0

2 1 7

9 5


S 2 0 1 5 3

2 0 1 L N F

9 5

6 5 5

4 5

3 1 0

4 5

2 4 1

1 0 0


S 2 0 1 6 1

. . .

1 2 5

8 6 0

5 0

3 4 5

4 0

2 5 5

2 5 J


S 2 0 2 0 0

2 0 2

9 0

6 2 0

3 8

2 6 0

4 0

2 4 1

. . .

. . .

S 2 0 4 0 0

. . .

9 5

6 5 5

4 8

3 3 0

3 5

2 4 1

1 0 0


S 3 0 1 0 0

3 0 1

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 0 1 0 3

3 0 1 L F

8 0

5 5 0

3 2

2 2 0

4 5

2 4 1

1 0 0


S 3 0 1 5 3

3 0 1 L N F

8 0

5 5 0

3 5

2 4 0

4 5

2 4 1

1 0 0


S 3 0 2 0 0

3 0 2

7 5

5 1 5

3 0

2 0 5

4 0

2 0 1

9 2


S 3 0 4 0 0

3 0 4

7 5

5 1 5

3 0

2 0 5

4 0

2 0 1

9 2


S 3 0 4 0 3

3 0 4 L

7 0

4 8 5

2 5

1 7 0

4 0

2 0 1

9 2


S 3 0 4 0 9

3 0 4 H

7 5

5 1 5

3 0

2 0 5

4 0

2 0 1

9 2


S 3 0 4 1 5

. . .

8 7

6 0 0

4 2

2 9 0

4 0

2 1 7

9 5


S 3 0 4 5 1

3 0 4 N

8 0

5 5 0

3 5

2 4 0

3 0

2 1 7

9 5


S 3 0 4 5 3

3 0 4 L N

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 0 5 0 0

3 0 5

7 0

4 8 5

2 5

1 7 0

4 0

1 8 3

8 8


S 3 0 6 0 0

. . .

7 8

5 4 0

3 5

2 4 0

4 0

. . .

. . .

. . .

S 3 0 6 0 1

. . .

7 8

5 4 0

3 7

2 5 5

3 0

. . .

. . .


S 3 0 6 1 5

. . .

9 0

6 2 0

4 0

2 7 5

3 5

2 1 7

9 5


S 3 0 8 1 5

. . .

8 7

6 0 0

4 5

3 1 0

4 0

2 1 7

9 5

. . .

S 3 0 9 0 8

3 0 9 S

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 0 9 0 9

3 0 9 H F

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 0 9 4 0

3 0 9 C b F

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 0 9 4 1

3 0 9 H C b F

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 1 0 6 0

. . .

8 7

6 0 0

4 1

2 8 0

4 0

2 1 7

9 5


S 3 1 0 0 8

3 1 0 S

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 1 0 0 9

3 1 0 H F

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 1 0 4 0

3 1 0 C b F

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 1 0 4 1

3 1 0 H C b F

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 1 2 5 4


1 0 0

6 9 0

4 5

3 1 0

3 5

2 2 3

9 6


P l a t e

9 5

6 5 5

4 5

3 1 0

3 5

2 2 3

9 6


S 3 1 2 6 6

. . .

1 0 9

7 5 0

6 1

4 2 0

3 5

. . .

. . .


S 3 1 6 0 0

3 1 6

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 1 6 0 3

3 1 6 L

7 0

4 8 5

2 5

1 7 0

4 0

2 1 7

9 5


S 3 1 6 5 3

3 1 6 L N

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 1 6 0 9

3 1 6 H

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 1 6 3 5

3 1 6 T i F

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 1 6 4 0

3 1 6 C b F

7 5

5 1 5

3 0

2 0 5

3 0

2 1 7

9 5


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T A B L E

2

C o n t i n u e d


T y p e A



E l o n g a

t i o n i n

2 i n . o r 5 0 m m ,

m i n ,

%



k s i

M P a

k s i

M P a

B r i n e l l

R o c k w e l l B

S 3 1 6 5 1

3 1 6 N

8 0

5 5 0

3 5

2 4 0

3 5

2 1 7

9 5


S 3 1 7 0 0

3 1 7

7 5

5 1 5

3 0

2 0 5

3 5

2 1 7

9 5


S 3 1 7 2 5

3 1 7 L M F

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 1 7 2 6

3 1 7 L M N F

8 0

5 5 0

3 5

2 4 0

4 0

2 2 3

9 6


S 3 1 7 0 3

3 1 7 L

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 1 7 5 3

3 1 7 L N

8 0

5 5 0

3 5

2 4 0

4 0

2 1 7

9 5


S 3 2 0 5 0

. . .

9 8

6 7 5

4 8

3 3 0

4 0

2 5 0

. . .


S 3 2 1 0 0

3 2 1

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 2 1 0 9

3 2 1 H

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 2 6 1 5 K

. . .

8 0

5 5 0

3 2

2 2 0

2 5

. . .

. . .


S 3 2 6 5 4

. . .

1 0 9

7 5 0

6 2

4 3 0

4 0

2 5 0

. . .


S 3 3 2 2 8

. . .

7 3

5 0 0

2 7

1 8 5

3 0

2 1 7

9 5


S 3 3 4 0 0

3 3 4 F

7 0

4 8 5

2 5

1 7 0

3 0

. . .

9 2


S 3 4 5 6 5

. . .

1 1 5

7 9 5

6 0

4 1 5

3 5

2 4 1

1 0 0


S 3 4 7 0 0

3 4 7

7 5

5 1 5

3 0

2 0 5

4 0

2 0 1

9 2


S 3 4 7 0 9

3 4 7 H

7 5

5 1 5

3 0

2 0 5

4 0

2 0 1

9 2


S 3 4 8 0 0

3 4 8

7 5

5 1 5

3 0

2 0 5

4 0

2 0 1

9 2


S 3 4 8 0 9

3 4 8 H

7 5

5 1 5

3 0

2 0 5

4 0

2 0 1

9 2


S 3 5 0 4 5

. . .

7 0

4 8 5

2 5

1 7 0

3 5

. . .

. . .


S 3 5 1 3 5


. . .

8 0

5 5 0

3 0

2 0 5

3 0

. . .

. . .


P l a t e

. . .

7 5

5 1 5

3 0

2 0 5

3 0

. . .

. . .


S 3 5 3 1 5

. . .

9 4

6 5 0

3 9

2 7 0

4 0

2 1 7

9 5


S 3 8 1 0 0

X M - 1 5 L

7 5

5 1 5

3 0

2 0 5

4 0

2 1 7

9 5


S 3 8 8 1 5

. . .

7 8

5 4 0

3 7

2 5 5

3 0

. . .

. . .


S 3 0 4 5 2

X M - 2 1 L


P l a t e

9 0

8 5

6 2 0

5 8 5

5 0

4 0

3 4 5

2 7 5

3 0 3 0

2 4 1

2 4 1

1 0 0

1 0 0



S 3 1 0 5 0

3 1 0 M o L N

F

t #

0 . 2

5 i n .

8 4

5 8 0

3 9

2 7 0

2 5

2 1 7

9 5


t > 0 . 2

5 i n

.

7 8

5 4 0

3 7

2 5 5

2 5

2 1 7

9 5


S 2 1 6 0 0

X M - 1 7 J


P l a t e

1 0 0

9 0

6 9 0

6 2 0

6 0

5 0

4 1 5

3 4 5

4 0 4 0

2 4 1

2 4 1

1 0 0

1 0 0



S 2 1 6 0 3

X M - 1 8 L


P l a t e

1 0 0

9 0

6 9 0

6 2 0

6 0

5 0

4 1 5

3 4 5

4 0 4 0

2 4 1

2 4 1

1 0 0

1 0 0



S 2 0 9 1 0

X M - 1 9 L


P l a t e

1 0 5

1 0 0

7 2 5

6 9 0

6 0

5 5

4 1 5

3 8 0

3 0 3 5

2 4 1

2 4 1

1 0 0

1 0 0



S 2 4 0 0 0

X M - 2 9 L


P l a t e

1 0 0

1 0 0

6 9 0

6 9 0

6 0

5 5

4 1 5

3 8 0

4 0 4 0

2 4 1

2 4 1

1 0 0

1 0 0



S 2 1 4 0 0

X M - 3 1 L

S h e e t

S t r i p

1 2 5

1 0 5

8 6 0

7 2 5

7 0

5 5

4 8 5

3 8 0

4 0 4 0

. . .

. . .

. . .

. . .



S 2 1 8 0 0

. . .

9 5

6 5 5

5 0

3 4 5

3 5

2 4 1

1 0 0


D u p l e x ( A u s t e n i t i c - F e r r i t i c )

S 3 1 2 0 0

. . .

1 0 0

6 9 0

6 5

4 5 0

2 5

2 9 3

3 1 J


S 3 1 2 6 0

. . .

1 0 0

6 9 0

7 0

4 8 5

2 0

2 9 0

. . .

. . .

S 3 1 8 0 3

. . .

9 0

6 2 0

6 5

4 5 0

2 5

2 9 3

3 1 J


S 3 2 0 0 1

. . .

9 0

6 2 0

6 5

4 5 0

2 5

. . .

2 5 J


S 3 2 0 0 3

. . .

9 0

6 2 0

6 5

4 5 0

2 5

2 9 3

3 1 J


S 3 2 1 0 1

. . .

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T A B L E

2

C o n t i n u e d


T y p e A



E l o n g a

t i o n i n

2 i n . o r 5 0 m m ,

m i n ,

%



k s i

M P a

k s i

M P a

B r i n e l l

R o c k w e l l B

t #

0 . 2

5 i n .

[ 6 . 4 m m ]

1 0 1

7 0 0

7 7

5 3 0

3 0

2 9 0

. . .


t > 0 . 2

5 i n

.

[ 6 . 4 m m ]

9 4

6 5 0

6 5

4 5 0

3 0

2 9 0

. . .


S 3 2 2 0 5

2 2 0 5 F

9 5

6 5 5

6 5

4 5 0

2 5

2 9 3

3 1 J


S 3 2 3 0 4

2 3 0 4 F

8 7

6 0 0

5 8

4 0 0

2 5

2 9 0

3 2 J


S 3 2 5 2 0

. . .

1 1 2

7 7 0

8 0

5 5 0

2 5

3 1 0

. . .


S 3 2 5 5 0

2 5 5 F

1 1 0

7 6 0

8 0

5 5 0

1 5

3 0 2

3 2 J


S 3 2 7 5 0

2 5 0 7 F

1 1 6

7 9 5

8 0

5 5 0

1 5

3 1 0

3 2 J


S 3 2 7 6 0

. . .

1 0 8

7 5 0

8 0

5 5 0

2 5

2 7 0

. . .


S 3 2 9 0 0

3 2 9

9 0

6 2 0

7 0

4 8 5

1 5

2 6 9

2 8 J


S 3 2 9 0 6

. . . t < 0 . 4

i n .

[ 1 . 0 m m ]

1 1 6

8 0 0

9 4

6 5 0

2 5 . 0

3 1 0

3 2 J


t $

0 . 4

i n .

[ 1 . 0 m m ]

1 0 9

7 5 0

8 0

5 5 0

2 5 . 0

3 1 0

3 2 J


S 3 2 9 5 0 M

. . .

1 0 0

6 9 0

7 0

4 8 5

1 5

2 9 3

3 2 J


F e r r i t i c o r M a r t e n s i t i c ( C h r o m i u m )

S 3 2 8 0 3

. . .

8 7

6 0 0

7 2

5 0 0

1 6

2 4 1

1 0 0


S 4 0 5 0 0

4 0 5

6 0

4 1 5

2 5

1 7 0

2 0

1 7 9

8 8

1 8 0

S 4 0 9 0 0 N

4 0 9 N

S 4 0 9 1 0

. . .

5 5

3 8 0

2 5

1 7 0

2 0

1 7 9

8 8

1 8 0

S 4 0 9 2 0

. . .

5 5

3 8 0

2 5

1 7 0

2 0

1 7 9

8 8

1 8 0

S 4 0 9 3 0

. . .

5 5

3 8 0

2 5

1 7 0

2 0

1 7 9

8 8

1 8 0

S 4 0 9 4 5

. . .

5 5

3 8 0

3 0

2 0 5

2 2

. . .

8 0

1 8 0

S 4 0 9 7 5

. . .

6 0

4 1 5

4 0

2 7 5

2 0

1 9 7

9 2

1 8 0

S 4 0 9 7 7

. . .

6 5

4 5 0

4 1

2 8 0

1 8

1 8 0

8 8


S 4 1 0 0 0

4 1 0

6 5

4 5 0

3 0

2 0 5

2 0

2 1 7

9 6

1 8 0

S 4 1 0 0 3

. . .

6 6

4 5 5

4 0

2 7 5

1 8

2 2 3

2 0 J


S 4 1 0 0 8

4 1 0 S

6 0

4 1 5

3 0

2 0 5

2 2

O

1 8 3

8 9

1 8 0

S 4 1 0 4 5

. . .

5 5

3 8 0

3 0

2 0 5

2 2

. . .

8 0

1 8 0

S 4 1 0 5 0

. . .

6 0

4 1 5

3 0

2 0 5

2 2

1 8 3

8 9

1 8 0

S 4 1 5 0 0

. . .

1 1 5

7 9 5

9 0

6 2 0

1 5

3 0 2

3 2 J


S 4 2 0 3 5

. . .

8 0

5 5 0

5 5

3 8 0

1 6

1 8 0

8 8


S 4 2 9 0 0

4 2 9 F

6 5

4 5 0

3 0

2 0 5

2 2

O

1 8 3

8 9

1 8 0

S 4 3 0 0 0

4 3 0

6 5

4 5 0

3 0

2 0 5

2 2

O

1 8 3

8 9

1 8 0

S 4 3 0 3 5

4 3 9

6 0

4 1 5

3 0

2 0 5

2 2

1 8 3

8 9

1 8 0

S 4 3 4 0 0

4 3 4

6 5

4 5 0

3 5

2 4 0

2 2

. . .

8 9

1 8 0

S 4 3 6 0 0

4 3 6

6 5

4 5 0

3 5

2 4 0

2 2

. . .

8 9

1 8 0

S 4 3 9 3 2

. . .

6 0

4 1 5

3 0

2 0 5

2 2

1 8 3

8 9

1 8 0

S 4 3 9 4 0

. . .

6 2

4 3 0

3 6

2 5 0

1 8

1 8 0

8 8


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T A B L E

2

C o n t i n u e d


T y p e A



E l o n g a

t i o n i n

2 i n . o r 5 0 m m ,

m i n ,

%



k s i

M P a

k s i

M P a

B r i n e l l

R o c k w e l l B

S 4 4 4 0 0

. . .

6 0

4 1 5

4 0

2 7 5

2 0

2 1 7

9 6

1 8 0

S 4 4 5 0 0

. . .

6 2

4 2 7

3 0

2 0 5

2 2

. . .

8 3

1 8 0

S 4 4 6 2 6

X M - 3 3 L

6 8

4 7 0

4 5

3 1 0

2 0

2 1 7

9 6

1 8 0

S 4 4 6 2 7

X M - 2 7 L

6 5

4 5 0

4 0

2 7 5

2 2

1 8 7

9 0

1 8 0

S 4 4 6 3 5

. . .

9 0

6 2 0

7 5

5 1 5

2 0

2 6 9

2 8 J

1 8 0

S 4 4 6 6 0

. . .

8 5

5 8 5

6 5

4 5 0

1 8

2 4 1

1 0 0

1 8 0

S 4 4 7 0 0

. . .

8 0

5 5 0

6 0

4 1 5

2 0

2 2 3

2 0 J

1 8 0

S 4 4 7 3 5

. . .

8 0

5 5 0

6 0

4 1 5

1 8

2 5 5

2 5 J

1 8 0

S 4 4 8 0 0

. . .

8 0

5 5 0

6 0

4 1 5

2 0

2 2 3

2 0 J

1 8 0

S 4 6 8 0 0

. . .

6 0

4 1 5

3 0

2 0 5

2 2

. . .

9 0

1 8 0

A U n l e s s o t h e r w i s e i n d i c a t e d , a g r a d e d e s i g n a t i o n o r i g i n a l l y a s s i g n e d b y t h e A m e r i c a n I r o n a n d S t e e l I n s t i t u t e ( A I S I ) .

B Y i e l d s t r e n g t h s h a l l b e d e t e r m i n e d b y t h e o f f s e t m e t h o d a t 0 . 2

%

i n a c c o r d a n c e w i t h T e s t M e t h o d s a n d D e fi n i t i o n s A 3 7 0 .

U n l e s s o t h e r w i s e s p e c i fi e d ( s e e S p e c i fi c a t i o n A 4 8 0 / A 4 8 0 M ,

p a r a g r a p h 4 . 1 . 1

1 ,

O r d e r i n g

I n f o r m a t i o n ) , a n a l t e r n a t i v e m e t h o d o f d e

t e r m i n i n g y i e l d s t r e n g t h m a y b e b a s e d o n t o t a l e x t e n s i o n u n d e r l o a d o f 0 . 5

% .

C E i t h e r B r i n e l l o r R o c k w e l l B H a r d n e s

s i s p e r m i s s i b l e .

D B e n d t e s t s a r e n o t r e q u i r e d f o r c h r o m

i u m s t e e l s ( f e r r i t i c o r m a r t e n s i t i c ) t h i c k e r t h a n 1

i n .

[ 2 5 m m ] o r f o r a n y a u s t e n i t i c o r d u p l e x ( a u s t e

n i t i c - f e r r i t i c ) s t a i n l e s s s t e e l s r e g a r d l e s s o f t h i c k n e

s s .

E E l o n g a t i o n f o r t h i c k n e s s ,

l e s s t h a n 0 . 0

1 5 i n .

( 0 . 3

8 m m ) s h a l l b e 2 0 %

m i n i m u m ,

i n 1 i n .

( 2 5 . 4 m m ) .

F C o m m o n n a m e , n o t a t r a d e m a r k , w i d

e l y u s e d , n o t a s s o c i a t e d w i t h a n y o n e p r o d u c e r .

G Y i e l d s t r e n g t h r e q u i r e m e n t s s h a l l n o t a p p l y t o m a t e r i a l u n d e r 0 . 0

2 0 i n [ 0 . 5

0 m m ] i n t h i c k n e s s .

H N o t a p p l i c a b l e f o r t h i c k n e s s e s u n d e r

0 . 0

1 0 i n .

[ 0 . 2

5 m m ] .

I T y p e 2 0 1 i s g e n e r a l l y p r o d u c e d w i t h a c h e m i c a l c o m p o s i t i o n b a l a n c e d f o r r i c h s i d e ( T y

p e 2 0 1 - 1 ) o r l e a n s i d e ( T y p e 2 0 1 - 2 ) a u s t e n i t e s t a b i l i t y d e p e n d i n g o n t h e p r o p e r t i e s r e q u i r e d f o r s p e c i fi c a p p l i c a t i o n s .

J R o c k w e l l C s c a l e .

K F o r S 3 2 6 1 5 ,

t h e g r a i n s i z e a s d e t e r m

i n e d i n a c c o r d a n c e w i t h t h e T e s t M e t h o d s E 1 1 2

, C o m p a r i s o n M e t h o d ,

P l a t e I I , s h a l l b e N o .

3 o r

fi n e r .

L N a m i n g s y s t e m d e v e l o p e d a n d a p p l i e d b y A S T M .

M

P r i o r t o S p e c i fi c a t i o n A 2 4 0 – 8 9 b , t h

e t e n s i l e v a l u e f o r S 3 2 9 5 0 w a s 9 0 k s i .

N S 4 0 9 0 0 ( T y p e 4 0 9 ) h a s b e e n r e p l a c e d b y S 4 0 9 1 0 ,

S 4 0 9 2 0 , a n d S 4 0 9 3 0 .

U n l e s s o t h e

r w i s e s p e c i fi e d i n t h e o r d e r i n g i n f o r m a t i o n , a n o r

d e r s p e c i f y i n g S 4 0 9 0 0 o r T y p e 4 0 9 s h a l l b e s a t i s

fi e d b y a n y o n e o f S 4 0 9 1 0 ,

S 4 0 9 2 0 , o r S 4 0 9 3 0 a t t h e o p t i o n o f t h e s

e l l e r . M a t e r i a l m e e t i n g t h e r e q u i r e m e n t s o f S 4 0 9 1 0 ,

S 4 0 9 2 0 , o r S 4 0 9 3 0 , m a y a t t h e o p t i o n o f t h e

m a n u f a c t u r e r b e c e r t i fi e d a s S 4 0 9 0 0 .

O M a t e r i a l 0 . 0

5 0 i n ( 1 . 2

7 m m ) a n d u n d

e r i n t h i c k n e s s s h a l l h a v e a m i n i m u m e l o n g a t i o n

o f 2 0 % .

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SUPPLEMENTARY REQUIREMENTS

A supplementary requirement shall apply only when specified in the purchase order.

S1. Charpy Impact Testing of Plate

S1.1 Charpy impact tests shall be conducted in accordance

with Test Methods and Definitions A 370.

S1.2 Number of Tests— One impact test (3 specimens) shall

be made from one plate per heat treatment lot in the final heat

treated condition.

S1.3 Orientation of Test Specimens— Unless specified as

transverse specimens (long axis of the specimen transverse to

the final rolling direction, root of the notch perpendicular to the

rolling face) on the purchase order, the orientation of the

specimens shall be longitudinal (long axis of the specimen

parallel to the final rolling direction, root of the notch perpen-

dicular to the rolling face). The manufacturer is permitted to

test transverse specimens provided that such tests meet the

acceptance criteria applicable to longitudinal specimens. Un-

less otherwise specified on the purchase order, the specimens

shall be taken so as to include the mid-thickness of the product.

S1.4 Test Temperature— The purchaser shall specify the

test temperature. The manufacturer is permitted to test speci-

mens at a temperature lower than that specified by the

purchaser, provided that such tests shall meet the acceptance

criteria applicable to specimens tested at the specified tempera-

ture (see Note ).

NOTE —Test Methods A 923, Method B, applicable to some duplex

(austenitic-ferritic) stainless steels as listed in Test Methods A 923, uses a

Charpy impact test for the purpose of determining the absence of

detrimental intermetallic phases. Method B specifies a test temperatureand acceptance criterion, expressed as impact energy, for each type of

steel covered. It may be economical for the Charpy impact tests performed

on duplex stainless steels covered in both Specification A 240 and Test

Methods A 923 to be performed at the lower of the temperatures specified

by this supplementary requirement and Test Methods A 923 Method B,

with measurement of both lateral expansion and impact energy.

S1.5 Acceptance Limit — Unless otherwise specified on the

purchase order, each of the three specimens tested shall show

a lateral expansion opposite the notch of not less than 0.015 in.

[0.38 mm].

S1.6 Records— The recorded results shall include the

specimen orientation, specimen size, test temperature, ab-

sorbed energy values (if required), and lateral expansion

opposite the notch.

S2. Materials for High-Temperature Service

S2.1 Unless an H grade has been ordered, this supplemen-

tary requirement shall be specified for ASME Code applica-

tions for service above 1000°F [540°C].

S2.2 The user is permitted to use an austenitic stainless

steel as the corresponding H grade when the material meets all

requirements of the H grade including chemistry, annealing

temperature, and grain size (see Section 6).

S2.3 The user is permitted to use an L grade austenitic

stainless steel for service above 1000°F [540°C], subject to the

applicable allowable stress table of the ASME Code, when the

material meets all requirements of this specification and the

grain size is ASTM No. 7 or coarser as determined in

accordance with Test Method E 112. The grain size shall bereported on a Certified Test Report.

SUMMARY OF CHANGES

This section identifies the location of selected changes to this standard that have been incorporated since the A 240/A 240-03c

issue. For the convenience of the user, Committee A01 has highlighted those changes that impact the use of this standard.

This section may also include descriptions of changes or reasons for changes, or both. (Approved Jan. 1, 2004.)

(1) Added new grade, UNS S31060, to Section 6 and Tables 1

and 2.

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This section identifies the location of selected changes to this standard that have been incorporated since the A 240/A 240-03b


This section may also include descriptions of changes or reasons for changes, or both. (Approved Sept. 10, 2003.)

(1) In Table 2, HBN and HRB for S20100, S30451, and

S30453 were reconciled with those in Specification A 666,

annealed condition.

This section identifies the location of selected changes to this standard that have been incorporated since the A 240/A 240-03a


This section may also include descriptions of changes or reasons for changes, or both. (Approved May 10, 2003.)

(1) Added new alloy UNS S31277 to Tables 1 and 2.

This section identifies the location of selected changes to this standard that have been incorporated since the A 240/A 240-03


This section may also include descriptions of changes or reasons for changes, or both. (Approved April 10, 2003.)

(1) Added UNS S32906 to Tables 1 and 2. (2) Added UNS S32101 to Tables 1 and 2.

This section identifies the location of selected changes to this standard that have been incorporated since the A 240/A 240-02a


This section may also include descriptions of changes or reasons for changes, or both. (Approved February 10, 2003.)

(1) Added a new duplex stainless steel (S32003) to Tables 1

and 2.

ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk

of infringement of such rights, are entirely their own responsibility.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standards

and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you should

make your views known to the ASTM Committee on Standards, at the address shown below.

This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,

United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the above address or at 610-832-9585 (phone), 610-832-9555 (fax), or [email protected] (e-mail); or through the ASTM website

(www.astm.org).

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