ALUMINUM ALLOY MATERIAL FOR AUTOMOBILE PANEL HAVING EXCELLENT FILIFORM RUST RESISTANCE AND ITS MANUFACTURE
PURPOSE:To manufacture the Al alloy material having excellent filiform rust resistance, in an Al alloy material contg. specified amounts of Mg, Cr and Cu and in which Fe and Si as impurities are regulated, by removing an oxidized film on the surface in the stage from the end of hot rolling to final...
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