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TIN-FREE-STEEL-PLATE
Tin-Free-Sheet
TIN-FREE-STEEL-PLATE
Tin-Free-Sheet

Tin Free Steel Sheet

Tin free steel (TFS) is an electrolytic chromium plated steel consisting of a thin layer of chromium and a layer of chromium oxide deposited on a cold rolled sheet steel base (black plate) which gives it a beautiful, lustrous metallic finish on both sides.

T1-T5; DR7 DR8; BA or CA; Laqurered; Printed

Tin Free Steel Plate Description

Electrolytic chromium coated steel sheet also called Tin Free Steel, chromium coating thin steel sheet, and the English abbreviation is TFS and ECCS.

Chromium coating plays a main and important role in preventing corrosion and rust. Tin Free Steel sheet have the strength and formability of steel, and have the corrosion resistance, tin solder-ability and beautiful appearance.

Tin Free Steel

 

Tin Free Steel (TFS)

TFS Full Name is Tin Free Steel and It is also known as electrolytic chromium coated steel (ECCS). Chromium coating has primarily been developed as an economical and high-quality alternative to the tinplate. TFS excels tinplate in paintability, paint adhesion, and economy. Steel producers introduced TFS in 1965.

TFS offers outstanding corrosion resistance, lacquer adhesion, and printability. The layer of chromium protects TFS against corrosion. It is an economical and high quality replacement for tinplate. Its appearance is less attractive (lower brightness) than tinplate. The absence of tin makes TFS non appropriate for acidic food (pH less than 4) because of lower corrosion resistance. TFS is not used without any biological protection for food products. This protection is frequently given through lacquer. TFS is excellent for lacquer adhesion and is always required to be lacquered on both the surfaces before use.

The coating of TFS consists of three components, excluding the steel base which represents the bulk volume of the tinplate. These three components are (i) chromium metal layer, (ii) chromium oxide layer, and (iii) layer of oil film. The function of each of the layer is given below.

The role of steel substrate base is similar to that of the electrolytic tinplate. It ensures the formability of TFS during its usage and machining and provides strength to the finished products.

Standard JIS G 3315-2002, DIN EN 10203-1991
Grade MR ,SPCC,SPHC,Q195, S08AL.
Material Origin BAO(BAOWU) Steel
Chromium Weight 60G/M2-180G/M2
Surface Finish Bright Finish, Stone Finish, Silver Finish, Matte Finish
Temper T1, T2, T2.5, T3, T4, T5, DR-8, DR-7M
Thickness 0.12-0.55MM
Width 20-1250MM
Coil Weight 3-5MT/Coil or Customized
Coil Inner Diameter 508MM or 610MM
Package Standard Seaworthy Exporting Packing
MOQ 25MT
Capacity 6000MT/Month
Transport Type Vessel Container, Vessel Bulk ,Railway Container,Railway Wagon
Loading Port Tianjin, Qingdao, Ningbo, Shanghai and other port
Delivery Time 25-30 Days after Receiving the Deposit
Terms of Trade EXW,FOB, CFR, CIF

 

Code Classification
B Bright Finish
R Stone Finish
S Silver Finish
M Matte Finish

Tinplate Application

  • Beverage cans, food cans, all-purpose cans (18L cans, pail cans, etc.)
  • Printed circuit boards, components of information communication apparatus
  • Various other containers

Tin Free Steel of Applications

TFS is used mainly for those applications where it is not required as a sacrificial element. It is widely used for making beverage can, all purpose cans such as 18 litre cans and pail cans, etc., DRD cans, candy cans, spray cans, and various other containers. It is used (i) for bottle crown caps, and metal caps, (ii) for making photographic film cases, (iii)  as a protective material for optical fiber cables, (iv) as printed circuit boards, (v) components of information communication apparatus, (vi) for home electronic product exterior part, and (vii) electrical and electronic components.

Grade Main Usage
Food Grade Food Cans fishery and agricultural products, etc.
Cans Beverages Cans juice, soft drinks, other beverages
Industrial Grade Cans Oil Cans automobile oil, mechanical oil, etc.
Pails Industrial containers for paint and oils
Aerosol Cans cosmetics, butane gas, pesticide, etc.

 

Temper & Hardness & Applications
Temper Hardness Applications
T1 49±3 nozzles,spouts,closures.
T2 52±3 pie pans,closures,shallow drawn and specialized can parts.
T3 57±3 battery can bodies,can ends and bodies,large diameter closures,crown caps.
T4 61±3 can ends and bodies,crown caps and small screw closures.
T5 65±3 Can ends and bodies for non corrosive products.
DR-8 73±3 small diameter round can bodies and ends.

 

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