Organic composite-plated steel sheet

Details Organic composite-plated steel sheet Organic composite-plated steel sheet

1991-06-28

1992-10-27

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

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

428626, 428632, 428653, 428659, 428935, 205245, 205246, 205305, 427410, B32B 1508

Patent

active

RE0341169

ABSTRACT:
Disclosed is a steel sheet having an organic composite plating layer excellent in press workability, spot weldability, electrodeposition coatability and corrosion resistance which comprises a zinc plated, aluminum plated or zinc base composite alloy steel sheet, a first layer of an insoluble chromate film of 5% or less in the content of water-soluble matter formed on the surface of the steel sheet at a coverage of 10-150 mg/m.sup.2 in terms of chromium content and a second layer of a coating composition having the following composition coated at a thickness of 0.3-5 .mu.m as a solid film on said first layer:

REFERENCES:
patent: 4411964 (1983-10-01), Hara et al.
patent: 4659394 (1987-04-01), Hara et al.
patent: 4756935 (1988-07-01), Takimoto et al.
patent: 4775600 (1988-10-01), Adaniya et al.

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