When Mg2Si is dissolved in aluminum, the alloy has the function of artificial aging hardening. -Lengths：500mm. -chemical properties: magnesium mg: 0.8 ~ 1.2 copper Cu: 0.15 ~ 0.4 manganese Mn: 0.15 zinc Zn: 0.25 chromium Cr: 0.04 ~ 0.35 titanium Ti: 0.15 silicon Si: 0.4 ~ 0.8 iron Fe: 0.7 aluminum A1: the balance。.
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