The present invention relates to an aluminum alloy for rapidly cooled welding. The alloy comprises, by weight, Mg: 0.4 to 7.0%, Cu: 0.05 to 1%, at least one kind of Mn: 0.8 to 2.5%, Cr: 0.35 to 2.0% and Fe: 0.7 to 1.5% and the balance of Al and inevitable impurities.


< Thin parts made of or quasi- titanium alloys; manufacture by forging

< Alloy for bonded magnets, isotropic magnet powder and anisotropic magnet powder and their production method, and bonded magnet

> Cr-based alloy excellent in balance between strength and ductility at high temperature

> Permanent magnets and R-TM-B based permanent magnets

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