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纭� Si锛�2.34~2.86
閷� Mn锛�<0.6
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纾� P 锛�<0.08
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姊濅欢灞堟湇寮�(qi谩ng)搴� 蟽0.2 (MPa)锛氣墺320
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P锛�0.0005锝�2.000% Ni锛�0.010锝�30.00% Cr锛�0.01锝�28.000% Mo锛�0.010锝�7.000%
Ti锛�0.010锝�5.000% Cu锛�0.010锝�8.000% 危RE锛�0.010锝�0.500% Mg锛�0.010锝�0.200%
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