Method for producing zinc coated steel sheet

Details Method for producing zinc coated steel sheet Method for producing zinc coated steel sheet

1994-06-21

1996-02-27

Silverberg, Sam

Coating processes

With pretreatment of the base

Metal base

427406, 427433, C25D 1502

Patent

active

054947065

ABSTRACT:
A method for producing zinc coated steel sheet comprises the steps of: forming a Ni--P alloy coating layer containing P of 8 to 15 wt. % on at least one surface of a steel sheet; heat-treating the steel sheet coated with the alloy layer in a non-oxidizing atmosphere to form an Fe--Ni--P diffused alloy layer at an interface of the steel sheet and the alloy coating layer; and zinc coating the steel sheet coated with the diffused alloy layer to form a zinc coating layer.

REFERENCES:
Patent Abstracts of Japan, vol. 10, No. 314 (C-380) 24 Oct. 1986 of JP-A-61 124 580 (Nippon Steel Corp.) 12 Jun. 1986.
Patent Abstracts of Japan, vol. 13, No. 156 (C-585) 14 Apr. 1989 of JP-A-63 312 960 (Nippon Steel Corp) 21 Dec. 1988.
Patent Abstracts of Japan, vol. 15, No. 512 (C-0898) 26 Dec. 1991 of JP-A-03 226 550 (Nippon Steel) 7 Oct. 1991.
Patent Abstracts of Japan, vol. 12, No. 338 (C-527) 12 Sep. 1988 of JP-A-63 096 294 (Nippon Steel Corp) 27 Apr. 1988.
Patent Abstracts of Japan, vol. 16, No. 148 (C-0928) 13 Apr. 1992 of JP-A-04 006 259 (Nippon Steel Corp) 10 Jan. 1992.

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