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鐢㈠搧浠嬬垂銆侊紱SCM440鏄敓鐢㈤珮寮峰害绶婂浐浠剁殑甯哥敤閶肩ó锛岀敘鍝佸叿鏈夋垚鍒嗙┅(w臎n)瀹�銆佹湁瀹冲厓绱犱綆銆侀嫾璩磾鍑堝害楂�銆佽劔纰冲堡灏�锛岃〃闈㈢己闄峰皯绛夊劒(y艒u)榛�锛屼娇鐢ㄦ檪鏄撻€茶鐞冨寲閫€鐏€佸喎閻撻枊瑁傜巼浣�锛岀啽铏曠悊璩噺绌�(w臎n)瀹氥€佺‖搴﹀潎鍕�锛屽唬娉涙噳鐢ㄥ湪鐧�(f膩)鍕曟銆佹ā鍏风瓑琛屾キ(y猫)銆�
鏉愭枡鍚嶇ū锛氬悎閲戠祼妲嬮嫾
鐗岃櫉锛歋CM440(鏃ユ湰鐗岃櫉锛岃妯欐簴JIS G4053-2008 ,椤炰技涓湅鐗岃櫉42CrMo)
灏嶆噳:42crmo4
鐗规€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�?锛熸崕绫抽珜顜婂晸C绶婂浐浠躲€�
鐗规€у強鎳夌敤
1銆傛番鐏€уソ锛屽彲閫茶娣卞害娣伀锛岃€屼笉鏄競闈笂闃查嫺褰㈤帠鐨勮〃闈㈡番鐏�
2銆傚皪鍥炵伀鑴嗘€у偩鍚戝皯
3銆傞珮婧姞宸ユ€уソ锛屽姞宸ュ悗缇庤
4銆傜啍鎺ユ€уソ
5銆傛矕鎿婄殑鍚告敹鎬ц兘濂�锛岄寴瀛愮牳涓婂幓鏈冭垏鍙嶅綀鎰�锛岀劇娉曢€茶鏆村姏鐮村鍎�(y艒u)榛烇細
(1).鍔犲伐鎬уソ
(2).娌栨搳鐨勫惛鏀舵€ц兘濂�
(3).鐒婃帴瀹规槗
鍖栧鎴愪唤
C 0.38-0.43
Si 0.15-0.35
Mn 0.60-0.85
P 鈮�0.03
S 鈮�0.03
Cu 鈮�0.30
Ni 鈮�0.25
Cr 0.90-1.20
MO 0.15-0.30
Ni鈮�0.25
Cu鈮�0.30
鍔涘鎬ц兘
鎶楁媺寮峰害 蟽b (MPa)锛氣墺1080(110)
SCM440
SCM440
灞堟湇寮峰害 蟽s (MPa)锛氣墺930(95)
浼搁暦鐜� 未5 (%)锛氣墺12
鏂烽潰鏀剁府鐜� 蠄 (%)锛氣墺45
娌栨搳鍔� Akv (J)锛氣墺63
娌栨搳闊屾€у€� 伪kv (J/cm²)锛氣墺78(8)
纭害 锛氣墹217HB
瑭︽ǎ灏哄锛氳│妯f瘺鍧昂瀵哥偤25mm
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�锛�2h鍥炵伀,绌哄喎銆�
閲戠浉绲勭箶锛氬洖鐏Μ姘忛珨銆�