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鐔旀暦閲戝爆鍔涘鎬ц兘
瑭﹂闋呯洰 Rm/MPa ReL/Mpa A(%) KV2/J(-30鈩�)
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鐔旀暦閲戝爆鍖栧鎴愬垎锛堣唱閲忓垎鏁�(sh霉)锛夛紙%锛�
C Mn Si Cr Mo
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V Ni S P
0.20-0.40 0.40-1.10 鈮�0.030 鈮�0.035
鐔旀暦閲戝爆鍔涘鎬ц兘 锛�730~750鈩兠�4h锛岀┖鍐凤級
瑭﹂闋呯洰 Rm/MPa A(%)
淇濊瓑鍊� 鈮�730 鈮�15
鍙冭€冮浕娴�
鐒婃鐩村緫/mm 2.5 3.2 4.0 5.0
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