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55SI2MN褰堢哀閶�
浠嬬垂 鏉愭枡鍚嶇ū锛�55Si2Mn 妯欐簴锛�GB/T 1222-1984
鐗规€у強閬╃敤鑼冨湇锛� 55Si2Mn褰堢哀閶肩鍜岄尦鎻愰珮褰堟€у挤搴﹀拰灞堝挤姣�锛屾彁楂樻番閫忔€�锛屾姉鍥炵伀绌╁畾鎬у拰鎶楁澗寮涚┅瀹氭€�锛岄亷鐔辨晱鎰熸€т篃杓冨皬锛屼絾鑴⒊鍌惧悜杓冨ぇ锛屽挨鍏舵槸纭呰垏纰冲惈閲忚純楂樻檪锛岀⒊鏄撲簬鐭冲ⅷ鍖�锛屼娇閶艰畩鑴�銆�55Si2Mn褰堢哀閶肩敤浣滄苯杌�銆佹嫋鎷夋鍜屾杌婁笂鐨勬笡鎸澘绨у拰铻烘棆褰堢哀銆佹埃缂稿畨鍏ㄩ枼绨э紝閭勫彲鐢ㄤ綔250鈩冧互涓嬩娇鐢ㄧ殑鑰愮啽褰堢哀銆� 鍖栧鎴愬垎
鍖栧鎴愪唤锛� 纰�C锛�0.52锝�0.60 纭�Si锛�1.50锝�2.00 閷�Mn锛�0.60锝�0.90 纭�S锛氣墹0.035 纾�P锛氣墹0.035 閴�Cr锛氣墹0.35 閹�Ni锛氣墹0.35 閵�Cu锛氣墹0.25 鍔涘鎬ц兘
鍔涘鎬ц兘锛� 鎶楁媺寮峰害蟽b (MPa)锛氣墺1274(130) 灞堟湇寮峰害蟽s (MPa)锛氣墺1176(120) 浼搁暦鐜�未10 (锛�)锛氣墺6 鏂烽潰鏀剁府鐜�蠄(锛�)锛氣墺30 纭害锛氱啽杌�,鈮�302HB;鍐锋媺+鐔辫檿鐞�,鈮�321HB [3] 鐔辫檿鐞嗗伐钘�
鐔辫檿鐞嗚鑼冨強閲戠浉绲勭箶锛� 鐔辫檿鐞嗚鑼冿細娣伀870鈩兟�20鈩�,娌瑰喎;鍥炵伀480鈩兟�50鈩�(鐗规畩闇€瑕佹檪,卤30鈩�)銆� 閲戠浉绲勭箶锛氬洖鐏眻姘忛珨銆�
浜よ波鐙€鎱嬶細鐔辫粙閶兼潗浠ョ啽铏曠悊鎴栦笉鐔辫檿鐞嗙媭鎱嬩氦璨紝鍐锋媺閶兼潗浠ョ啽铏曠悊鐙€鎱嬩氦璨�銆�
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