Patent ID: 6602363
Filing Date: 2003-08-05
Classification: C22C

Abstract:
An aluminum alloy composition consisting essentially of, in weight percent:between about 0.05 and 0.5% silicon; an amount of iron between about 0.05% and up to 0.7%; an amount of manganese up to about 2.0%; up to about 0.10% magnesium; up to about 0.10% nickel; up to about 0.5% copper; an alloying amount of chromium between about 0.03 and 0.50%; between about 0.03 and 0.35% titanium; with the balance aluminum and inevitable impurities, including zinc as an impurity element in an amount less than 0.06%; wherein the manganese to iron ratio is maintained between about 2.0 and about 6.0, and the amounts of chromium and titanium are controlled so that a ratio of chromium to titanium ranges between 0.25 and 2.0.