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閶� Al :浣欓噺
纭� Si :鈮�0.6
閵� Cu :鈮�0.20
閹� Mg:鈮�0.05
閶� Zn:鈮�0.10
閷� Mn:1.0~1.6
閳� Ti :鈮�0.15
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閻� Fe: 0.000~ 0.700
娉�:鍠€�:鈮�0.05;鍚堣▓:鈮�0.10
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