2017-11-14

What Is GALFAN?

GALFAN is a zinc-aluminum alloy, Zn-5Al-MM, UNS Z38510 in ASTM designation. It consists of 5% aluminum and 95% zinc alloy.

The following table lists the chemical requirements of this alloy, according to ASTM B750.

Element Composition, %
Aluminum 4.2-6.2
Cerium+Lanthanum, total 0.03-0.10
Iron, max 0.075
Silicon, max 0.015
Lead, max 0.005
Cadmium, max 0.005
Tin, max 0.002
Others, each, max 0.02
Others, total, max 0.04
Zinc Remainder
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