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鍚堥噾宸ュ叿閶硷細Cr12MoV
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閷� Mn:鈮�0.40
纭� S :鈮�0.030
纾� P :鈮�0.030
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閵� Cu:鍏佽ū娈樹綑鍚噺鈮�0.30
閲� V :0.15~0.30
閴� Mo:0.40~0.60
鍔涘(xu茅)鎬ц兘:
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