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C Mn Si Cr
鈮�0.15 0.5-2.5 鈮�1.30 26.0-29.0
Ni Co S P
8.0-12.0 0.20-0.50 鈮�0.030 鈮�0.040
鐔旀暦閲戝爆鍔涘(xu茅)鎬ц兘
瑭﹂闋呯洰 Rm/MPa A(%)
淇濊瓑鍊� 鈮�660 鈮�22
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 50-80 80-110 130-160 160-200
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鍏跺畠鍙冩暩(sh霉)
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 Ni
鈮�0.15 0.5-2.5 鈮�0.90 28.0-32.0 8.0-10.5
Mo Cu S P
鈮�0.75 鈮�0.75 鈮�0.030 鈮�0.040
鐔旀暦閲戝爆鍔涘(xu茅)鎬ц兘
瑭﹂闋呯洰 Rm/MPa A(%)
淇濊瓑鍊� 鈮�660 鈮�22
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 50-80 80-110 100-150 140-180
娉ㄦ剰浜嬮爡锛�
鐒婂墠鐒婃闋堢稉(j墨ng)250鈩冨乏鍙崇儤鐒�1灏忔檪锛�
瑭﹂闋呯洰 Rm/MPa ReL/Rp0.2/Mpa A(%) KV2/J(甯告韩)
淇濊瓑鍊� 鈮�540 鈮�440 鈮�17 鈮�47
淇濊瓑鍊� 580-650 鈮�450 20-25 85-145
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鐒婃鐩村緫/mm 2.0 2.5 3.2 4.0 5.0
鐒婃帴闆绘祦/A 40-70 60-90 90-120 140-180 170-210
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