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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Coating Steel with Zinc-Aluminum Alloy

High speed coating of zinc/aluminum alloy Is there a technique, other than molten metal bath, for applying a zinc/aluminum alloy to a steel substrate? I have been advised that electroplating aluminum is not feasible - is this true? Are other techniques such as electroless plating, vapor deposition a possibility. Are there other techniques worth considering? I am looking to obtain a coating thickness of the order of 1 micron. We are a manufacturer of ERW steel tubing thanks Bob

Bob Corneck
steel tubing - Wyoming, New York
2003

It is possible to plate aluminum out of molten salts, or organic solvents in a sealed environment. Alumiplate offers aluminum plating, and it may or may not be practical for the particular application.

Vacuum deposition processes are line-of-sight, so it may of may not prove feasible to vacuum plate your tubes.

The thickness you are seeking is very thin and probably not practical for hot dipping.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2003

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