High strength weldable Al-Mg alloy

Details High strength weldable Al-Mg alloy High strength weldable Al-Mg alloy

2011-08-16

2011-08-16

King, Roy (Department: 1733)

Alloys or metallic compositions

Aluminum base

Magnesium containing

C420S543000, C420S547000, C420S551000, C420S553000, C148S440000

Reexamination Certificate

active

07998402

ABSTRACT:
An aluminium alloy product having high strength, excellent corrosion resistance and weldability, having the following composition in wt. %: Mg 3.5 to 6.0, Mn 0.4 to 1.2, Fe<0.5, Si<0.5, Cu<0.15, Zr<0.5, Cr<0.3, Ti 0.03 to 0.2, Sc<0.5, Zn<1.7, Li<0.5, Ag<0.4, optionally one or more of the following dispersoid forming elements selected from the group consisting of erbium, yttrium, hafnium, vanadium, each <0.5 wt. %, and impurities or incidental elements each <0.05, total <0.15, and the balance being aluminium.

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