3Cr2Mo锛�P20锛� 鍦嬬敘(ch菐n)妯″叿閶�
瑭崇窗(x矛)鎻忚堪锛�
鍦嬬敘(ch菐n)妯″叿閶硷細3Cr2Mo锛�P20锛�
妯�(bi膩o)婧�(zh菙n)锛�GB/T 1299-1985
鈼�鐗规€у強閬╃敤鑼冨湇锛�
鐔变綔妯″叿閶�锛屾槸寮曢€�(j矛n)缇庡湅鐨� P20涓⒊ Cr-Mo绯诲鏂欐ā鍏烽嫾銆傞仼鐢ㄤ簬鍒朵綔濉戞枡妯″拰澹撻憚浣庣啍榛�(di菐n)閲戝爆鐨勬ā鍏锋潗鏂�銆傛閶煎叿鏈夎壇濂界殑鍙垏鍓婃€у強閺￠潰鐮旂（鎬ц兘銆�
鈼�鍖栧(xu茅)鎴愪唤锛�
纰� C 锛�0.28锝�0.40
纭� Si锛�0.20锝�0.80
閷� Mn锛�0.60锝�1.00
纭� S 锛�鈮�0.030
纾� P 锛�鈮�0.030
閴� Cr锛�1.40锝�2.00
閹� Ni锛氬厑瑷辨畼浣欏惈閲�鈮�0.25
閵� Cu锛氬厑瑷辨畼浣欏惈閲�鈮�0.30
閴� Mo锛�0.30锝�0.55
鈼�鍔涘(xu茅)鎬ц兘锛�
鈼�鐔辫檿鐞嗚(gu墨)鑼冨強閲戠浉绲勭箶锛�
鈼�浜よ波鐙€鎱�(t脿i)锛�閶兼潗浠ラ€€鐏�銆佺啽杌嬬媭鎱�(t脿i)浜よ波銆�
