WELDABLE HIGH-STRENGTH Al-Mg ALLOY Russian patent published in 2016 - IPC C22C21/06 

FIELD: transport.

SUBSTANCE: invention relates to products made of aluminium alloys and can be used in transport industry. Product made of high-strength corrosion-resistant welded aluminium alloy contains, wt%: Mg from 3.5 to 6.0, Mn from 0.4 to 1.2, Fe < 0.5, Si < 0.5, Cu < 0.15, Zr from 0.05 to 0.25, Cr from 0.03 to 0.3, Ti from 0.03 to 0.2, Sc from 0.1 to 0.3, Zn < 1.7 < 0.5, Li, Ag < 0.4, optionally, one or more of following forming dispersoids of elements selected from a group consisting of erbium, yttrium, hafnium, vanadium, each < 0.5 wt%, and impurities < 0.05 each, in total < 0.15, and rest is aluminium.

EFFECT: technical result is high strength and corrosion resistance of alloy while reducing density thereof.

24 cl, 3 ex, 9 tbl