Double-layer electroplated steel article with corrosion resistan

Details Double-layer electroplated steel article with corrosion resistan Double-layer electroplated steel article with corrosion resistan

1982-07-08

1985-01-01

Rutledge, L. Dewayne

Stock material or miscellaneous articles

All metal or with adjacent metals

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

428935, B32B 1501

Patent

active

044916230

ABSTRACT:
An article of manufacture comprising a steel substrate coated with an electroplated metallic double layer with good corrosion resistance after painting and wet adhesion of paint film; said article having on the steel substrate a first layer of electroplated Zn-Ni alloy containing 7-15 wt % of Ni and on the first layer and, on said first layer, a second electroplated layer of iron or Fe-Zn alloy containing more than 60% of Fe and less than 40% of Zn.

REFERENCES:
patent: 3420754 (1969-01-01), Roehl
patent: 4252866 (1981-02-01), Matsudo et al.

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