AlMgSi1¾T´Î

AlMgSi1¾T´Î

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Si:0.5~0.9

Fe:0.35

Cu:0.30

Mn:0.50

Mg:0.40~0.7

Cr:0.30

Zn:0.20

Ti:0.10

Mn+Cr0.12~0.50,Ni:0.10

Al:Êe¶q