Tinplate is used in a variety of market applications including food cans, aerosol containers, and paint cans & solvents.

Food Cans
 

Black Plate

  • Black Plate is a light gauge, low carbon, cold reduced steel intended for use in the non-tinned state, for prepainting, or for the production of other Tin Mill Products dependent on end use corrosion protection requirements.

 

 

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Single Reduced

  • Single Reduced product is cold rolled to the finished gauge, then continuously annealed and coated with a thin layer of tin.

Double Reduced

  • Double Reduced product is given a partial cold reduction to reach an intermediate gauge, then annealed and given another cold reduction to the final gauge prior to coating with tin. The resulting product is stiffer, harder, and stronger than single reduced, in some cases, allowing customers to utilize lighter gauge steel in their application.

Tin Free Steel

  • Electrolytic Chromium Coated plate or Tin Free Steel is a Tin Mill Black Plate product which has been coated with metallic chrome overlaid with film of chrome oxide by electrolytic deposition.

 

Tinplate Products 

AM Dofasco produces a full range of tinplate, TFS (ECCS), and blackplate products as defined in the relevant ASTM specifications: 

Qualities 

  • ASTM A623/A623M General Requirements for Tin Mill Products 
  • ASTM A624/A624M Electrolytic Tinplate 
  • ASTM A625/A625M Black Plate, Single Reduced 
  • ASTM A626/A626M Electrolytic Tinplate, Double Reduced 
  • ASTM A650/A650M Black Plate, Double Reduced 
  • ASTM A657/A657M Electrolytic Chromium, Single & Double Reduced  

Coating Weights  

Tinplate coating weights may be expressed in the traditional units of lb/base box or in SI units of g/m2. ArcelorMittal Dofasco can supply a full range of coatings from #5 (.5 g/m2) to #100 (11.2 g/m2). Differential coatings are also available. 

Chrome Coated Steel, Tin Free Steel is available in the standard nominal coating of 5 mg/ft2 per side. ECCS is only available with one standard coating which is equal on both sides. 

For general inquiries about tinplate, TFS (ECCS), and blackplate products please contact the ArcelorMittal Dofasco Sales Department.