High strength aluminum alloy
OwnerMyron G. Urdeainventor
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Abstract
An aluminum casting alloy having superior foundry characteristics, being heat-treatable to ultra-high yield strength, and containing from about 3 to about 10% silicon about 0.7 to about 1.5% magnesium, from about 0.03 to about 1% beryllium, and from 0.05 to 1% titanium and a method for preparing such alloys is disclosed.
Claims3
An aluminum casting alloy having superior foundry characteristics and being heat treatable to ultra-high yield strength consisting essentially of from about 5.5 to about 7.5% silicon, about 0.85 to about 1.25% magnesium, about 0.10 to about 0.30% beryllium, about 0.05 to about 0.30% titanium and containing less than 0.20% iron, 0.10% manganese, copper and zinc, 0.01% boron and 0.002% lithium, sodium and calcium, balance aluminum.
Dependencies are inferred from the claim text.