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AlCu4MgSi(A)¾TºÞ AlCu4MgSi(A)¾TªO AlCu4MgSi(A)¾T´Î AlCu4MgSi(A)¾T±a AlCu4MgSi(A)¾T¿õ AlCu4MgSi(A)¾T½u
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Si:0.20~0.8
Fe:0.7
Cu:3.5~4.5
Mn:0.40~1.0
Mg:0.40~1.0
Cr:0.10
Zn:0.25
Ti+Zr:0.25
Al:Êe¶q