AlMg2Mn0.8¾TªO AlMg2Mn0.8¾T´Î AlMg2Mn0.8¾TºÞ AlMg2Mn0.8¾T±a AlMg2Mn0.8¾T½u AlMg2Mn0.8¾T¿õ
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Si:0.40
Fe:0.50
Cu:0.10
Mn:0.50~1.1
Mg:1.6~2.5
Cr:0.30
Zn:0.20
Ti:0.10
Al:Êe¶q