Coating solution having trivalent chromium and manganese for coa

Details Coating solution having trivalent chromium and manganese for coa Coating solution having trivalent chromium and manganese for coa

1974-05-24

1976-01-13

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

427409, C23F 726

Patent

active

039321983

ABSTRACT:
A coating solution comprising trivalent chromium and one or more cations selected from the group consisting of manganese, bismuth, antimony tin, zinc and molybdenum is employed in a process wherein the solution is contacted with a metallic surface to form a corrosion resistant coating. The coating can be force dried or can be treated with a passivating solution.

REFERENCES:
patent: 2678291 (1954-05-01), Spruance, Jr. et al.
patent: 3222226 (1965-12-01), Maurer et al.
patent: 3553034 (1971-01-01), Harvey et al.
patent: 3647569 (1972-03-01), Schneider

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