Aluminum-zinc coated low-alloy ferrous product and method

Coating processes – Immersion or partial immersion – Molten metal or fused salt bath

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Details

291965, 75146, 75178A, C22C 2110, C23C 102

Patent

active

039521206

ABSTRACT:
Large steel products such as structural sections, castings, forgings and machined sections are coated with a smooth, adherent, bright metallic coating comprised of 25 to 85% aluminum, silicon in an amount of 0.7% or more by weight of the amount of aluminum and the balance substantially zinc without the occurrence of detrimental exothermic reactions of the coating medium with the base metal.

REFERENCES:
patent: 2870008 (1959-01-01), Neu
patent: 3343930 (1967-09-01), Borzillo et al.
patent: 3782909 (1974-01-01), Cleary et al.
"The Formation of Aluminum Coatings in an Aluminum Bath," Stahl & Eisen 77, p. 436 (1957).
Galvanizing, by Bablik, 1950, pp. 204-223.

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