| 摘要 |
Aluminium-magnesium alloy product for welded mechanical construction, having the following composition, in weight percent: Mg 3.5 - 6.0, Mn 0.4 - 1.2, Zn 0.4 - 1.5, Zr 0.25 max., Cr 0.3 max., Ti 0.2 max., Fe 0.5 max., Si 0.5 max., Cu 0.4 max., one or more selected from the group: Bi 0.005 - 0.1, Pb 0.005 - 0.1, Sn 0.01 - 0.1, Ag 0.01 - 0.5, Sc 0.01 - 0.5, Li 0.01 - 0.5, V 0.01 - 0. 3, Ce 0.01 - 0.3, Y 0.01 - 0.3, Ni 0.01 - 0.3, others (each) 0.05 max., (total) 0.15 max. balance aluminium.
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