C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 18/54 (2006.01) C23C 18/50 (2006.01) C23C 22/10 (2006.01) C23C 28/00 (2006.01) C25D 5/50 (2006.01)
Patent
CA 2376377
The tin-plated steel sheet includes a base steel sheet; a tin plating layer coating approximately more than 97.0% of the base steel sheet; and a chemical conversion coating having approximately 0.5 to 100 mg/m2 phosphorus and approximately 0.1 to 250 mg/m2 silicon formed on the tin plating layer and an unplated region corresponding to approximately less than 3.0%. The tin-plated steel sheet does not contain chromium which is harmful to the environment but has superior overcoat adhesion property, discoloration resistance, and rust resistance.
Kato Chiaki
Nakakoji Hisatada
Shigekuni Tomofumi
Jfe Steel Corporation
Kawasaki Steel Corporation
Moffat & Co.
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