Patent ID: 6065534
Filing Date: 2000-05-23
Classification: B32B,C22C,F28F,Y10S

Abstract:
An aluminum alloy article comprising a body having at least one machined portion therein, the body being an aluminum alloy consisting essentially of, in weight percent, an amount of silicon up to about 0.2%, an amount of iron up to about 0.7%, an amount of copper up to about 0.5%, between about 0.1 and 1.8% manganese, from essentially zero magnesium to an amount up to about 0.5%, up to about 0.4% chromium, up to about 0.4% zinc, up to about 0.3% zirconium, an amount of titanium between about 0.03 and 0.4%, and bismuth as a free machining element in an amount of up to about 1.5%, with the balance being aluminum and incidental impurities.