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4340鍚堥噾閶兼€ц兘
ASTM4340鏄竴绋寲瀛告贩鍚堢墿璩�(zh矛)锛屽煼(zh铆)琛屾婧栫偤 ASTM A29/A29M-04銆�
涓枃鍚�
ASTM4340
鍚堥噾绲�(ji茅)妲�(g貌u)閶�
4340
纰� C
0.38锝�0.43
纭� Si
0.15锝�0.35
灏嶆噳(y墨ng)鍦嬫
40CrNiMoA
鍩�(zh铆)琛屾婧�: ASTM A29/A29M-04
鈼忓寲瀛告垚浠斤細
閷� Mn锛�0.60锝�0.90
纭� S 锛氬厑瑷辨畼浣欏惈閲忊墹0.040
纾� P 锛氬厑瑷辨畼浣欏惈閲忊墹0.035
閴� Cr锛�0.60锝�0.90
閹� Ni锛�1.65锝�2.00
閵� Cu锛氬厑瑷辨畼浣欏惈閲忊墹0.025
閴� Mo锛�0.20锝�0.30
鈼忓姏瀛告€ц兘锛�
鎶楁媺寮峰害 蟽b (MPa)锛氣墺980(100)
灞堟湇寮峰害 蟽s (MPa)锛氣墺835(85)
浼搁暦鐜� 未5 (%)锛氣墺12
鏂烽潰鏀剁府鐜� 蠄 (%)锛氣墺55
娌栨搳鍔� Akv (J)锛氣墺78
娌栨搳闊屾€у€� 伪kv (J/cm2)锛氣墺98(10)
纭害 锛�鈮�269HB
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)鑼冿細娣伀850鈩�,娌瑰喎;鍥炵伀600鈩�,姘村喎銆佹补鍐枫€�
鈼忎氦璨ㄧ媭鎱�(t脿i)锛氫互鐔辫檿鐞嗭紙姝ｇ伀銆侀€€鐏垨楂樻韩鍥炵伀锛夋垨涓嶇啽铏曠悊鐙€鎱�(t脿i)浜よ波锛屼氦璨ㄧ媭鎱�(t脿i)鎳�(y墨ng)鍦ㄥ悎鍚屼腑娉ㄦ槑銆�
