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1.Structure of Tinplate and TFS for Chemical or Industrial Useage Description
Electrolytic Tinplate,is one thin steel sheet with a coating of tin applied by electrolytic deposition. Tinplate made by this process is essentially a sandwich in which the central core is strip steel. This core is cleaned in a pickling solution and then fed through tanks containing electrolyte, where tin is deposited on both sides. As the strip passes between high-frequency electric induction coils, it is heated so that the tin coating melts and flows to form a lustrous coat.
Also known as chromed steel, tin-free steel (TFS) is obtained by coating the metal base (low-carbon steel) with an ultra-thin layer of metallic chrome and then with a chromium oxide layer.
2.Main Features of the Tinplate and TFS for Chemical or Industrial Useage
Appearance – Tinplate 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.
Paintability and printability – Tinplates have excellent paintability and printability. Printing is beautifully finished using various lacquers and inks.
Formability and strength – Tinplates have got very good formability and strength. By selecting a proper temper grade, appropriate formability is obtained for different applications as well as the required strength after forming.
Corrosion resistance – Tinplate has got good corrosion resistance. By selecting a proper coating weight, appropriate corrosion resistance is obtained against container contents. Coated items should meet 24 hour 5 % salt spray requirement.
3.Tinplate and TFS for Chemical or Industrial Useage Images
4.Tinplate and TFS for Chemical or Industrial Useage Specification
Specification of :
Standard: ISO 11949 -1995, GB/T2520-2000,JIS G3303,ASTM A623, BS EN 10202
Thickness：0.15mm - 0.50mm
Width: 600mm -1150mm
Annealing: BA & CA
Coil Inner Diameter: 508mm
Weight: 6-10 tons/coil 1~1.7 tons/sheets bundle
5.FAQ of Tinplate and TFS for Chemical or Industrial Useage
- How are the tinplates specified?
The tinplates are specified as per the steel base, extent of tempering, the coating weight, annealing method and the surface finish.
- How many types there are for base steels?
The base steels are of three types: Type MR, L, D
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