鍚堥噾绲愭閶�20Cr
鏉愭枡鍚嶇ū锛氬悎閲戠祼妲嬮嫾
鐗岃櫉锛�20Cr
妯欐簴锛欸B/T 3077-1988
鈼忕壒鎬у強閬╃敤鑼冨湇锛�
寮峰害鍜屾番閫忔€ц純楂�15Cr閶�锛岄煂鎬ц純宸�锛涚剨鎺ユ€ц純濂�锛岀剨鍚庝竴鑸笉闇€鐔辫檿鐞�銆傜敤浜庡績閮ㄥ挤搴﹁姹傝純楂樺拰琛ㄩ潰鎵垮彈纾ㄦ悕銆佸昂瀵歌純澶х殑銆佹垨褰㈢媭杓冨京闆滆€岃矤鑽蜂笉澶х殑婊茬⒊闆朵欢锛屽榻掕吉銆侀綊杓桓銆佸嚫杓�銆佹椿濉為姺銆佽澑妗跨瓑锛屼篃鍙敤浣滃伐浣滈€熷害澶у苟鎵垮彈涓瓑娌栨搳璨犺嵎鐨勮(di脿o)璩�(zh矛)闆朵欢銆�
鈼忓寲瀛告垚浠斤細
纰� C 锛�0.18锝�0.24
纭� Si锛�0.17锝�0.37
閷� Mn锛�0.50锝�0.80
纭� S 锛氬厑瑷辨畼浣欏惈閲忊墹0.035
纾� P 锛氬厑瑷辨畼浣欏惈閲忊墹0.035
閴� Cr锛�0.70锝�1.00
閹� Ni锛氬厑瑷辨畼浣欏惈閲忊墹0.030
閵� Cu锛氬厑瑷辨畼浣欏惈閲忊墹0.030
鈼忓姏瀛告€ц兘锛�
鎶楁媺寮峰害 蟽b (MPa)锛氣墺835(85)
灞堟湇寮峰害 蟽s (MPa)锛氣墺540(55)
浼搁暦鐜� 未5 (锛�)锛氣墺10
鏂烽潰鏀剁府鐜� 蠄 (锛�)锛氣墺40
娌栨搳鍔� Akv (J)锛氣墺47
娌栨搳闊屾€у€� 伪kv (J/cm2)锛氣墺59(6)
纭害 锛氣墹179HB
瑭︽ǎ灏哄锛氳│妯ｆ瘺鍧昂瀵哥偤15mm
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:绗竴娆�880鈩�,绗簩娆�780锝�820鈩�,姘村喎銆佹补鍐�锛涘洖鐏�200鈩�,姘村喎銆佺┖鍐�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)鎳夊湪鍚堝悓涓敞鏄�銆�
