Weldable high strenght Al-Mg-Si alloy

Metal treatment – Stock – Age or precipitation hardened or strengthened

Reexamination Certificate

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C420S534000, C420S535000

Reexamination Certificate

active

06939416

ABSTRACT:
The invention relates to a weldable, high-strength aluminium alloy wrought product, which may be in the form of a rolled, extruded or forged form, containing the elements, in weight percent, Si 0.8 to 1.3, Cu 0.2 to 1.0, Mn 0.5 to 1.1, Mg 0.45 to 1.0, Ce 0.01 to 0.25, and preferably added in the form of a Misch Metal, Fe 0.01 to 0.3, Zr<0.25, Cr<0.25, Zn<1.4, Ti<0.25, V<0.25, others each <0.05 and total <0.15, balance aluminium. The invention relates also to a method of manufacturing such an aluminium alloy product.

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