銆€銆€鍚堥噾绲�(ji茅)妲�(g貌u)閶硷細SMn438
銆€銆€妯�(bi膩o)婧�(zh菙n)锛欽IS G4053-2003
銆€銆€鈼忕壒鎬у強閬╃敤鑼冨湇锛�
銆€銆€SMn438鍚堥噾绲�(ji茅)妲�(g貌u)閶煎挤搴�銆佸鎬с€佽€愮(鎬ц純楂�锛屼絾鍐疯畩褰㈠鎬т笉楂橈紝鐒婃帴鎬у樊銆係Mn438鐢ㄤ綔鍦ㄩ噸杓夎嵎涓嬪伐浣滅殑瑾�(di脿o)璩�(zh矛)闆朵欢锛屽杌�銆佸崐杌�銆佹洸杌�銆佽粖杌�銆佽灪妗裤€佽澑妗�銆佹椿濉炴】銆佹搷绺辨】銆佹潬妗�銆侀€f】銆佹湁杓夎嵎鐨勮灪鏍�銆佽灪閲�銆佸姞鍥虹挵(hu谩n)銆佸綀绨х瓑锛汼Mn438鍚堥噾绲�(ji茅)妲�(g貌u)閶煎湪鐢ㄤ綔鐩村緫鍦�40mm浠ヤ笅鐨勫皬鏂烽潰閲嶈闆朵欢鏅�锛岃垏40Cr閶肩浉鐣�(d膩ng)銆�
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鈼忓寲瀛�(xu茅)鎴愪唤锛�
銆€銆€纰� C 锛�0.35锝�0.41
銆€銆€纭� Si锛�0.15锝�0.35
銆€銆€閷� Mn锛�1.35锝�1.65
銆€銆€纭� S 锛氬厑瑷辨畼浣欏惈閲忊墹0.030
銆€銆€纾� P 锛氬厑瑷辨畼浣欏惈閲忊墹0.030
銆€銆€閴� Cr锛氬厑瑷辨畼浣欏惈閲忊墹0.35
銆€銆€閹� Ni锛氬厑瑷辨畼浣欏惈閲忊墹0.25
銆€銆€閵� Cu锛氬厑瑷辨畼浣欏惈閲忊墹0.30
銆€銆€鈼忓姏瀛�(xu茅)鎬ц兘锛�
銆€銆€鎶楁媺寮峰害 蟽b (MPa)锛氣墺885(90)
銆€銆€灞堟湇寮峰害 蟽s (MPa)锛氣墺735(75)
銆€銆€浼搁暦鐜� 未5 (%)锛氣墺12
銆€銆€鏂烽潰鏀剁府鐜� 蠄 (%)锛氣墺45
銆€銆€娌栨搳鍔� Akv (J)锛氣墺55
銆€銆€娌栨搳闊屾€у€� 伪kv (J/cm2)锛氣墺69(7)
銆€銆€纭害 锛氣墹217HB
銆€銆€瑭︽ǎ灏哄锛氳│妯f瘺鍧昂瀵哥偤25mm
銆€銆€鈼忕啽铏曠悊瑕�(gu墨)鑼冨強閲戠浉绲勭箶锛�
銆€銆€鐔辫檿鐞嗚(gu墨)鑼冿細娣伀840鈩�,姘村喎;鍥炵伀540鈩�,姘村喎銆�
銆€銆€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�
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