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C Mn Si S P
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鐔旀暦閲戝爆鍔涘(xu茅)鎬ц兘
瑭﹂(y脿n)闋�(xi脿ng)鐩� Rm/MPa ReL/Mpa A(%) KV2/J(-30鈩�)
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鐒婃鐩村緫/mm 3.2 4.0 5.0
鐒婃帴闆绘祦/A 90-120 140-180 170-210
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1銆佺剨鍓嶇剨姊濋爤缍�(j墨ng)350鈩冨乏鍙崇儤鐒�1灏忔檪(sh铆)锛岄毃鐑橀毃鐢�锛�
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鐔旀暦閲戝爆鍖栧(xu茅)鎴愬垎锛堣唱(zh矛)閲忓垎?j菒n)?sh霉)锛夛紙%锛�
C Mn Si Cr Mo
鈮�0.19 0.5-1.0 鈮�0.50 9.5-12.00 0.80-1.10
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(xu茅)鎬ц兘 锛�730~750鈩兠�4h锛岀┖鍐凤級
瑭﹂(y脿n)闋�(xi脿ng)鐩� 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
鐒婃帴闆绘祦/A 70-90 100-120 140-170 190-210
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1銆佺剨鍓嶇剨姊濋爤缍�(j墨ng)350~400鈩冪儤鐒�1灏忔檪(sh铆)锛岄毃鐑橀毃鐢�锛�
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