TINPLATE and TIN FREE STEEL - JFE Steel America Inc

TINPLATEand TIN FREE STEEL

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Introduction

List of Tinplate & TFS Products

Features

Coating Structure

Typical Applications

Manufacturing ProcessManufacturing Process

Specifications and Available Sizes

Packaging and MarkingPackaging and Marking

Usage Precautions

Information Required with Orders and InquiriesInformation Required with Orders and Inquiries

CONTENTS1

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Introduction

List of Tinplate & TFS Products

Features

Coating Structure


Manufacturing Process


Packaging and Marking

Usage Precautions

Information Required with Orders and Inquiries

Tinplate is a thin steel sheet coated by tin. It has an extremely

beautiful metallic luster as well as excellent properties in

corrosion resistance, solderability, and weldability.

Tinplate is used for making all types of containers such as

food cans, beverage cans, 18-liter cans, and artistic cans. Its

applications are not limited to containers; recently, tinplate

has also been used for making electrical machinery parts and

many other products.

Tin Free Steel (TFS) is produced by applying electrolytic

chromic acid treatment over steel sheets. This steel product

was developed to meet economic requirements, and excels

tinplate in paintability, paint adhesion, and economy. It is

widely used for making beverage cans and 18-liter cans. It is

also used for making photographic film cases and as a

protective material for optical fiber cables.

As new TFS products, JFE BRITE have been launched, which

allow welding without grinding in contrast to conventional

TFS products that require grinding before welding to remove

the metallic coating layers.

Today, social concerns over the global environment are

intensifying throughout the world. Prioritizing the

environmental friendliness in its business operations, JFE

developed UNIVERSAL BRITE (UBT), a TFS product on which

PET or polypropylene films are laminated in order to

eliminate the painting and cleaning processes when using

TFS, thus suppressing the emissions of off-gas and the

amount of water used.

JFE manufactures the tinplate and TFS products under the

ISO9001-based integral quality management system, which

covers every step from materials to final finishing processes,

earning high regard from its customers on product quality.

JFE will continue to exert utmost efforts on the quality

improvement and new product development in order to meet

customer requirements, and hopes to be favored with your

continued patronage.

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Intr

od

uct

ion

Introduction

JFE,s tinplate & TFS (Tin Free Steel) products include the following.

List of Product Names & Product Designations

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Tinplate Products TIN PLATE (SPTE, JFEET)

TFS Products JFE BRITE (Weldable TFS without grinding)

(JFEBT)

UNIVERSAL BRITE (Laminated TFS)

(UBT)

TFS (Tin Free Steel)

(SPTFS, JFEEC)

List of Tinplate & TFS (Tin Free Steel) Products

List of T

inp

late & T

FS P

rod

ucts

Features

Features of Tinplate Products

2. Excellent Paintability & Printability

3. Excellent Formability & Strength

4. Excellent Corrosion Resistance

5. Excellent Solderability & Weldability

1. Beautiful Appearance

Printing is beautifully finished using various lacquers and inks.

TIN PLATE is widely used for making various types of cans by soldering or welding.

By selecting a proper temper grade, appropriate formability is obtained for various applications as well as the required strength after forming.

By selecting a proper coating weight, appropriate corrosion resistance is obtained against container contents.

TIN PLATE is characterized by its beautiful metallic luster. Products with various kinds of surface roughness are produced by selecting the surface finish of the substrate steel sheet.

Features of TIN PLATE

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Feat

ure

s

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Features of TFS Products2

1. Features That Excel TIN PLATE

2. Features Different from TIN PLATE

Features of TFS

TFS has excellent paint adhesion properties that far

surpass those of TIN PLATE, allowing its use for

making DRD cans and adhesive bonded cans.

High-temperature baking causes neither discoloration

nor deterioration in material properties.

Heat resistance

Paint adhesion

Excellent resistance to black sulfide stain makes it

the most suitable material for making fish cans.

Resistance to black sulfide stain

Even when the same surface finish as TIN PLATE is

applied to the substrate steel sheet, it provides the

unique surface luster characteristic of metallic

chromium.

As it has excellent corrosion resistance after painting,

it is generally used with both surfaces painted. It can

also be used with the internal surface unpainted,

depending on the contents.

Appearance

Corrosion resistance

Although TFS can be welded when the metallic

coating layers are removed, its weldability is inferior

to TIN PLATE.

Weldability

Solderability TFS is not compatible with soldering.

Features

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Features

Features of JFE BRITE

Features of UNIVERSAL BRITE (UBT)

1. Features That Excel TFS

2. Features Different from TFS

JFE BRITE can be welded without grinding the

surface to remove the metallic coating layer owing to

the thin chromium oxide film. As the grinding process

is eliminated, cleaner cans are manufactured.

Weldability

JFE BRITE is generally used with both surfaces

painted like TFS. For using it with the internal surface

unpainted, it is recommended to apply Inbricant such

as wax when press forming.

Resistance to galling

1. Features That Excel TFS

2. Features Different from TFS

The excellent formability more than equivalent to

prepainted steel sheets allows deep drawing without

applying Iubricant.

Formability

Barrier effect

The painting process can be eliminated.Environmental compatibility

High-temperature baking after painting and printing

may deteriorate material properties of UNIVERSAL

BRITE.

UNIVERSAL BRITE has excellent bare corrosion

resistance and resistance to black sulfide stain.

Heat resistance

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Feat

ure

s

TIN PLATE (g/m2)

BareCorrosionResistance

(sealed)

2.8

UNIVERSALBRITE

PPPET

JFEBRITETFS

Comparison of Properties

Features

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Features

Rust Resistance

Acid Resistance

Alkali Resistance

Stress Cracking Resistance

Paintability

Corrosion Resistance after Painting

Filiform Corrosion Resistance

Paint Adhesion

Solderability

Weldability

Heat Resistance

Internal Surface No-Iubricant PressFormability

Black Sulfide StainResistance

(1)

(2)

(7)

(3) (4) (6) (6)

(5) (5)

(5) (5)

(5) (5)

(5) (5)

(1)

(2)

(3)

(4)

(5)

(6)

(7)

Bare corrosion resistance is evaluated under tightly sealed conditions. Evaluation of each product may

change according to the contents actually packed. Please consult us in advance.

Corrosion resistance after painting is evaluated by crosshatching corrosion tests. Evaluation of each

product may change according to actual use conditions.

The evaluation is for the case where welding is performed without grinding the surface to remove the

metallic coating layer.

The evaluation is for the case where welding is performed without grinding the surface to remove the

metallic coating layer. Evaluation may change according to the type of welding machine and actual

welding conditions.

The evaluation of performance of UNIVERSAL BRITE may change according to the actual use conditions.

Please consult us in advance.

Weldability of UNIVERSAL BRITE is evaluated at no varnishing areas where there is no laminate coating.

Therefore, the evaluation may change according to the type of welding machine and actual welding

conditions.

High-temperature baking after painting and printing may cause changes in material properties.

: poor: fair: excellent : good

over 5.6

Oil film

Chromium oxide

Tin

Iron-tin alloy

Base steel

PET or PP film

Chromium oxide

Metallic chromium

Base steel

Oil film

Chromium oxide

Metallic chromium

Base steel

Oil film

Chromium oxide

Metallic chromium

Base steel

TIN PLATE

TFS

JFE BRITE

UNIVERSAL BRITE (UBT)

Tinplate Products

TFS Products

Coating Structure

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Co

atin

g S

tru

ctu

re


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Typ

ical Ap

plicatio

ns T

ypic

al A

pp

licat

ion

s

Note:

Tinplate and TFS products are manufactured

under strict quality control all through the

manufacturing process to provide the excellent

corrosion resistance and uniform material

properties required of can-making materials.

In manufacturing TFS that is used for making adhesive

bonded cans that are subjected to hot-packing or retorting

treatment, the quality and thickness of chromium oxide

layer are strictly controlled in the TFS line.

In the laminating line, the substrate steel is continuously

chromium-plated and film-laminated.

In particular, inclusions are thoroughly

minimized during steelmaking and

then the steel undergoes strict gage

control in hot and cold rolling to obtain

substrate for manufacturing tinplate

for DI cans and easy-open lids, and

TFS for DRD cans.

Major control items in the main manufacturing steps

are as follows:

Steelmaking:

Hot Rolling:

Cold Rolling:Annealing:

Chemical composition, minimization of inclusions.Finishing temperature, coiling temperature, gage profile.Gage, flatness.Heating temperature, soaking temperature, cooling temperature, atmospheric gas composition.

Temper Rolling:Electrolytic Plating:

Shape, surface roughness.Coating weight, chemical treatment, oiling amount.

Hot coil Cleaning LineBatch Annealing

Furnace

Continuous Annealing and Finishing Line

Continuous Annealing Line

Double Cold Reduction Mill

Temper MillCoil Preparation

Line

Temper andFinishing Mill

Cold Rolling Mill

Cold Rolling

Coil

Cut-to-length

Coil

Cut-to-length

Coil

Cut-to-length

Entry Accumulator

Electrostatic OilingPre-treatment

TinningExit AccumulatorQuenching

ChemicalTreatment

Entry Accumulator ChemicalTreatment

ChromiumCoating

Pre-treatmentExit AccumulatorQuenching

Oiling

Laminating

Heating

Hot Rolling

Steelmaking

Ironmaking Cleaning & Annealing Temper Rolling & Finishing Surface Coating Products

Electrolytic Tinning Line

Tin Free Line

Laminating Line

Entry Accumulator ChemicalTreatment

ChromiumCoating

Pre-treatmentElectrostatic Oiling

Manufacturing Process

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ufactu

ring

Pro

cess Man

ufa

ctu

rin

g P

roce

ss


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There are two types of annealing : batch annealing and continuous annealing. When continuous annealing is designated, the symbol of "CA" is added after the temper grade symbol such as "T-4CA".The soft materials (T-1 to T-3) can also be manufactured by continuous annealing. Please consult us.DR-8, DR-9, and DR-10 are thin materials with high strength manufactured by cold-reducing the materials after cold-reducing and annealing.

Remarks(1)

(2)(3)

Coils may include welded portions.When ordering a product that is outside the size range for normal production but inside the available size range, please consult us.

(1)(2)

(1) Sheet

(2) Coil T1 T5 DR8 DR10

T1 T5

Size Range forNormal Production




Available Size Range




DR8 DR10

Coil Weight

Thickness mm

Inside Dia. mm( in.)

Outside Dia. mm

Width mm

Thickness mm

Width mm

Length mm

0.15 0.60 0.15 0.50

457 1,067 650 950

1.0 18.0 3.0 15.0

2,130 max.

406, 420, 508(16, 16.5, 20.0)

406, 420, 508(16, 16.5, 20.0)

0.13 0.60DR10

DR8DR9

0.20 0.36

0.13 0.60 0.15 0.25

457 1,067 690 950

1.0 18.0 3.0 15.0

2,130 max.

0.15 0.60 0.18 0.50

457 1,067 650 950

406 1,110 500 1,050

0.13 0.60DR10

DR8DR9

0.20 0.36

0.13 0.60 0.15 0.25

457 1,067 690 950

406 1,110 500 1,050

1. Available Sizes

2. Temper Grade

mt

Special applications that require strength.

The same as DR-9.

Ends of carbonated beverage cans and beer cans that require stiffness and strength.

Bodies of carbonated beverage cans and beer cans that require stiffness and strength.

Can bodies, ends and other applications that require excellent buckling resistance.

Can bodies, ends and crowns that require comparatively large stiffness.

Items that require better formability than T-4 (JFE Standard)

Proper stiffness is imparted to prevent buckling. For general use.

Items that require the drawability of T-2 in combination with the stiffness of T-3. For general use.

Items that require moderate drawability and some stiffness.

Cans, nozzles and other applications involving deep drawing that requires large flexibility.

ApplicationsHardness

Guarantee HR30T

TemperGrade

SingleReduced

DoubleReduced

DR-10

DR-9M

DR-9

DR-8

T-5

T-4

T-S

T-3

T-2.5

T-2

T-1

80 5

77 5

76 5

73 5

65 5

61 5

59 5

57 5

55 5

53 5

49 5

DifferentiallyCoated

New Coating Designation & Nominal

Coating Weight(g/m2)

Minimum average Coating

Weight(g/m2)

Former CoatingDesignation

2.8 / 2.8

5.6 / 5.6

8.4 / 8.4

11.2 / 11.2

2.8 / 5.6

2.8 / 8.4

2.8 / 11.2

5.6 / 8.4

5.6 / 11.2

8.4 / 11.2

2.45 / 2.45

5.05 / 5.05

7.55 / 7.55

10.1 / 10.1

2.45 / 5.05

2.45 / 7.55

2.45 / 10.1

5.05 / 7.55

5.05 / 10.1

7.55 / 10.1

25

50

75

100

25 / 50

25 / 75

25 / 100

50 / 75

50 / 100

75 / 100

Tinplate

Equally coated

3. Coating Weight

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The tin coating weight is determined in accordance with specific end use applications. Tinplate

with a heavy coating weight is used for making cans that require a high corrosion resistance or

those used bare. Tinplate with a light coating weight is used for making cans that do not

require so high a corrosion resistance or those used after painting or printing.

Differential Markings

A white line (differential marking) is painted along the edge of a differentially coated product in

order to clearly indicate that it is differentially coated, and "D" is added after the coating

designation symbol for the marked side (e.g., 2.8D/5.6).

With regard to other types of differential markings, please consult us.

50mg/m2

5mg/m2

150mg/m2

35mg/m2

TFS

Minimum Average CoatingWeight

Maximum Average CoatingWeight

Metallic Chromium Layer

Chromium Oxide Layer

Spec

ifica

tions

and

Ava

ilabl

e Si

zes

Continuously cast, aluminum-killed steel is used except where otherwise specified.

Type Description

Finish Surface RoughnessAim Ra Features & Applications

Dull finish mainly used for making crowns and DI

cans (unmelted finish for tinplate).

Surface finish with stone marks that make printing

and can-making scratches less conspicuous.

Rough dull finish mainly used for making artistic

cans (tinplate only, melted finish).

Surface finish with heavy stone marks.

Bright finish for general use.0.25

0.40

0.60

1.00

Bright

Stone

Super Stone

Matte

Silver(Satin)

Aluminum-killed base steel used in applications involving deep drawing or other types of severe forming that tend to give rise to Lueder

,s lines.

Base steel extremely low in residual elements such as Cu, Ni, Co, and Mo that has excellent corrosion resistance to certain types of food products.

Base steel low in residual elements that has excellent corrosion resistance, widely used in general applications.

With regard to steel types other than those listed above, please consult us.Remark :

MR

L

D

5. Surface Finishes

6. Steel Types


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*Remark : Sub-classified based on the surface finishing of the blackplate.

(*)

The products are packaged in the manners shown below in order to prevent them from being damaged.A label that indicates the manufacturing history is affixed to the outside of the packaging. In addition, a service card is contained inside.The label and service card show the following information on each packaging: specification, size, grade, number of sheets (for cut-to-length products), weight, inspection number, coil number, and production date.

Packaging and Marking

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Outside View

Cutaway View

CoilsSheets

Metal cap

Metal cap

Metal band strapping

Rustproof paper

Angle

Steel cover

Cross seal

Angle

Steel cover

Steel cover

Wooden skidWooden skid

Metal cap

Angle

Metal band strapping

Seal

Woodenskid

Rustproofpaper

Pack

agin

g an

d M

arki

ng

Usage Precautions for TIN PLATE

As TIN PLATE is covered by soft metallic tin coatings, due precautions should be taken not to cause scratches by rough handling or vibration during transportation. Paintability, printability, solderability, and mechanical properties of TIN PLATE tend to deteriorate as time elapses after production. Useas soon as possible after delivery.Although TIN PLATE has excellent corrosion resistance, it tends to rust in a humid atmosphere. Use as soon as possible after unpacking.Tin is dissolved by a strongly alkaline solution. When using TIN PLATE for making cans for alkaline contents, paint the internal surface.As contents that contain sulfur cause blackening of the TIN PLATE surface, paint the internal surface.

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5.

Usage Precautions for JFE BRITE

As JFE BRITE is a TFS product with no grinding weldability, its basic characteristics are the same as TFS.Although JFE BRITE is a material that allows welding operations without grinding, the metallic coating layers in the welded areas need to be removed in advance under certain welding conditions depending on such factors as the type of welding machine, welding speed, power frequency, and welding pressure.Although JFE BRITE can be used bare in some applications, it is recommended to use it painted. In particular, the external surface should always be painted or printed.

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Usage Precautions for UNIVERSAL BRITE (UBT)

Although UBT has excellent bare corrosion resistance, base steel is exposed at cut ends. Due precautions should be taken when handling and storing it like other products.When UBT is cut, the laminated film may generate chips. Due attention should be paid to wear, clearance, and other conditions of the cutting tools. In some cases, desired characteristics may not be obtainable depending on the contents, paint baking, and other process conditions. Please consult us in advance in order to secure the laminated product that best meets your requirements.

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Usage Precautions for TFS

TFS is not compatible with soldering and DI forming. However, once painted, it can be used in almost all applications where TIN PLATE is used.The metallic coating layer of TFS has a high electrical resistance. When welding it, the metallic coating layers in the welded areas should be removed in advance. TFS tends to rust in a humid atmosphere. Use as soon as possible after unpacking. The external surfaces of cans should be painted to prevent corrosion.The internal surfaces should also be painted to prevent corrosion except when the content is motor oil or cooking oil. TFS does not provide sacrificial protection like TIN PLATE. Due precautions should be taken not to cause scratches on the surface of TFS after it is formed into cans and painted.

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Usage Precautions

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Usag

e Precau

tion

s

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Orders and inquiries shall be accompanied by the following information.

Product name and grade.

Coating weight (for tinplate only), temper grade, finish, and product size.

Rolling direction.

Quantity.

Application and delivery date.

Number of sheets per packaging (for cut-to-length products).

Inner diameter and maximum acceptable unit coil weight (for coiled products).

Other special requirements, if any.

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2.

3.

4.

5.

6.

7.

8.

Information Required with Orders and Inquiries

Info

rmat

ion

Req

uir

ed

wit

h O

rder

s an

d In

qu

irie

s

Cat.No.B1J-006-03

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Documents

TINPLATE and TIN FREE STEEL - JFE Steel America Inc