B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
13/15, 13/17
B22D 19/08 (2006.01) B23K 3/00 (2006.01) C25D 5/12 (2006.01) C25D 11/38 (2006.01)
Patent
CA 1187660
ABSTRACT OF THE DISCLOSURE A differential multilayer-coated steel strip having an excellent corrosion resistance, enamel-adhering property, seam weldability and drawability and being useful for the production of cans, comprising (A) a steel substrate; (B) a first surface coating formed on a surface of the substrate and comprising (a) a plated nickel first base layer formed on the substrate surface and consisting of from 10 to 5,000 mg/m2 of plated nickel, (b) a plated tin intermediate layer formed on the first base layer surface and consisting of from 50 to 11,000 mg/m2 of plated tin, and (c) a chromium-plated first surface layer formed on the intermediate layer surface and having a weight of from 3 to 50 mg/m2, in terms of metallic chromium; and (C) a second surface coating formed on the other surface of the substrate and comprising (d) a plated nickel second base layer formed on the other surface of the substrate and consisting of from 10 to 5,000 mg/m2 of plated nickel, and (e) a chromium-plated second surface layer formed on the second base layer surface and having a weight of from 3 to 50 mg/m2, in terms of metallic chromium.
401397
Ezure Kazuya
Saito Takao
Goudreau Gage Dubuc
Nippon Steel Corporation
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