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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 Cornecksteel 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.
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