4140鍚堥噾閶�
4140鍚堥噾閶煎粻瀹�锛�4140鍚堥噾閶艰(gu墨)鏍�锛�4140鍚堥噾閶煎児鏍�
4140鍚堥噾閶兼€ц兘锛�4140鍚堥噾閶兼潗璩�(zh矛)锛�4140鍚堥噾閶兼澘鏉�
鏉辫帪甯傞暦瀹夌櫨浣虫ā鍏烽嫾鏉愬皥妤�(y猫)鎵圭櫦(f膩)閵峰敭4140鍚堥噾閶煎強鍚勭ó鍏朵粬鍎�(y艒u)璩�(zh矛)鏉愯唱(zh矛)鍚堥噾閶兼潗
4140鍚堥噾閶兼€ц兘
4140鍚堥噾绲�(ji茅)妲�(g貌u)閶兼槸鐗岃櫉鐐�4140鐨�锛岀⒊ C 鐐�0.33锝�0.48鐨勪竴绋悎閲戦嫾銆�
鏉愭枡鍚嶇ū锛氬悎閲戠祼(ji茅)妲�(g貌u)閶�
鐗岃櫉锛�4140
鈼忕壒鎬у強閬╃敤鑼冨湇锛�
灞腑绛夋番閫忔€ч嫾锛岀啽铏曠悊鍚庢湁杓冨ソ鐨勫挤搴﹀拰鑹ソ鐨勭稖鍚堝姏瀛告€ц兘锛屽伐钘濇€уソ锛屾垚鏉愮巼楂樸€傛渶楂樹娇鐢ㄦ韩搴︾偤 427鈩�銆傚彲鐢ㄤ綔姹借吉姗熺穵鍥轰欢銆�
鈼忓寲瀛告垚浠斤細
纰� C 锛�0.33锝�0.48
纭� Si锛�0.15锝�0.35
閷� Mn锛�0.75锝�1.00
纭� S 锛氣墹0.030
纾� P 锛氣墹0.030
閴� Cr锛�0.80锝�1.10
閴� Mo锛�0.15锝�0.25
鈼忓姏瀛告€ц兘锛�
鎶楁媺寮峰害 蟽b (MPa)锛�795
姊濅欢灞堟湇寮峰害 蟽0.2 (MPa)锛�610
浼搁暦鐜� 未5 (%)锛�22
鏂烽潰鏀剁府鐜� 蠄 (%)锛�67
娌栨搳闊屾€у€� 伪ku (J/cm2)锛�157
纭害 锛�241HB
瑭︽ǎ灏哄锛氭煇瑭︽ǎ
鈼忕啽铏曠悊瑕�(gu墨)鑼冨強閲戠浉绲勭箶锛�
鐔辫檿鐞嗚(gu墨)鑼冿細880鈩�,1h娌规番,650锝�680鈩冿紝2h鍥炵伀,绌哄喎銆�
閲戠浉绲勭箶锛氬洖鐏Μ姘忛珨銆�