杌告壙閶硷細SUJ2
鍩疯妯欐簴:JIS G4805-1999
鈼忕壒鎬у強閬╃敤鑼冨湇锛�
缍滃悎鎬ц兘鑹ソ锛屾番鐏拰鍥炵伀鍚庯紝纭害楂樹笖鍧囧嫽锛岃€愮（鎬ц兘濂斤紝鎺ヨЦ鐤插嫗寮峰害楂樸€傞嫾鐨勭啽鍔犲伐鎬уソ锛岀悆鍖栭€€鐏悗鏈夎壇濂界殑鍙垏鍓婃€с€傚疁鍒朵綔澹佸帤鈮�12mm銆佸寰戔墹250mm 鐨勫悇绋桓鎵垮鍦堛€侀嫾鐞冪洿寰戔墹50mm銆佸湏閷愩€佺悆闈㈡痪瀛愮洿寰戔墹22mm鍙婃墍鏈夊昂瀵哥殑婊鹃嚌锛涢倓鍙敤浜庡埗閫犻噺鍏枫€佹ā鍏枫€佹湪宸ュ垁鍏�
鈼忓寲瀛告垚浠斤細
纰� C 锛�0.95锝�1.10
纭� Si锛�0.15锝�0.35
閷� Mn锛氣墹0.50
纭� S 锛氣墹0.025
纾� P 锛氣墹0.025
閴� Cr锛�1.30锝�1.60
閹� Ni锛氬厑瑷辨畼浣欏惈閲忊墹0.30
閵� Cu锛氬厑瑷辨畼浣欏惈閲忊墹0.25
閴� Mo锛氬厑瑷辨畼浣欏惈閲忊墹0.08
娉細鍏佽ū娈樹綑鍚噺Ni+Cu鈮�0.50
鈼忓姏瀛告€ц兘锛�
鎶楁媺寮峰害 蟽b (MPa)锛�1617
娌栨搳鍔� Akv (J)锛�28
纭害 锛�61锝�64HRC
瑭︽ǎ灏哄锛氭煇瑭︽ǎ
鈼忕啽铏曠悊瑕忚寖鍙婇噾鐩哥祫绻旓細
鐔辫檿鐞嗚鑼冿細850锝�860鈩冩番鐏紝娌瑰喎;160鈩冨洖鐏�2h銆�
閲戠浉绲勭箶锛氬洖鐏Μ姘忛珨銆�
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