Zinc- or zinc alloy-coated steel sheet having excellent...

Details Zinc- or zinc alloy-coated steel sheet having excellent... Zinc- or zinc alloy-coated steel sheet having excellent...

C - Chemistry, Metallurgy

23

C

117/103, 204/21

C23C 2/26 (2006.01) C25D 3/22 (2006.01) C25D 3/56 (2006.01) C25D 5/10 (2006.01) C25D 9/08 (2006.01)

Patent

CA 1332679

- 24 - ZINC- OR ZINC ALLOY-COATED STEEL SHEET HAVING EXCELLENT SPOT-WELDABILITY AND PROCESS FOR PRODUCING SAME ABSTRACT OF THE DISCLOSURE A zinc- or zinc alloy-coated steel sheet having an excellent spot-weldability, comprising: a base steel sheet; one or more layers coated on the steel sheet, at least one of the coated layers containing zinc as a major component; and an oxidized layer formed on the outermost of the coated layers and containing zinc in an amount of from 0.03 to 3.0 g/m2, the oxidized layer containing at least one of zinc oxide and zinc hydroxide.

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