Black surface-treated steel sheet

Details Black surface-treated steel sheet Black surface-treated steel sheet

1990-03-20

1991-06-11

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428626, 428632, 428639, 428659, C22C 1508

Patent

active

050231464

ABSTRACT:
Disclosed are a black surface-treated steel sheet, which comprises a steel sheet or plated steel sheet and a electrodeposited composite plating coating formed in a deposition amount of 0.1 to 5 g/m.sup.2 on the surface of the steel sheet or plated steel sheet, the plating coating containing metallic zinc or Zn--Ni alloy and oxides or hydrous oxides and sulfur compound, and a process for the preparation of a black surface-treated steel sheet, which comprises carrying out the electrolysis in an acidic aqueous solution containing Zn.sup.2+ and, as the main components, at least one member selected from the group consisting of Fe.sup.2+, Co.sup.2+ and Ni.sup.2+, and oxidative ion, and a thio compound, by electrolysis a steel sheet or plated steel sheet as the cathode, and water-washing and drying the treated steel sheet.

REFERENCES:
patent: 4407899 (1983-10-01), Hara et al.
patent: 4479832 (1984-10-01), Hart et al.
patent: 4654394 (1987-04-01), Hara et al.
patent: 4707415 (1987-11-01), Ikeda et al.
patent: 4800134 (1989-01-01), Izaki et al.
patent: 4826160 (1989-10-01), Shindov et al.
patent: 4891273 (1990-01-01), Odashima et al.
patent: 4904545 (1990-02-01), Sugiyama et al.
patent: 4908279 (1990-03-01), Yosuke et al.
patent: 4910095 (1990-03-01), Izaki et al.
Interfinish '84, pp. 85-93, 1984, F. Barth et al.

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