C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 21/00 (2006.01) C22F 1/04 (2006.01)
Patent
CA 2132840
An aluminum-based alloy composition having improved corrosion resistance and high extrudability consists essentially of about 0.1-0.5% by weight-of manganese, about 0.05-0.12 % by weight of silicon, about 0.01-0.20 % by weight of titanium about 0:15-0.25 % by weight of iron and the balance aluminum, wherein the aluminum alloy is essentially copper free. The inventive alloy is useful in automotive applications, in particular, heat exchanger tubing and finstock, and foil packaging. The process provided by the invention uses a high extrusion ratio and produces a product having high corrosion resistance.
Perley-Robertson Hill & Mcdougall Llp
Reynolds Metals Company
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