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缇庡湅锛欰STM A29-1993a(8615 8617 8620 8622)

鏃ユ湰锛欽IS G4103-1979锛圫NCM220锛�

鍖栧鎴愪唤

纰� C 锛�0.17锝�0.23

纭� Si锛�0.17锝�0.37

閷� Mn锛�0.60锝�0.95

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�0.40锝�0.70

閹� Ni锛�0.35锝�0.75

閵� Cu锛氬厑瑷辨畼浣欏惈閲忊墹0.030

閴� Mo锛�0.20锝�0.30

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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785(80)

浼搁暦鐜� 未5 (%)锛氣墺9

鏂烽潰鏀剁府鐜� 蠄 (%)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197HB

瑭︽ǎ灏哄锛氳│妯ｆ瘺鍧昂瀵哥偤15mm

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鐔辫檿鐞嗚(gu墨)鑼冿細娣伀850鈩�,娌瑰喎;鍥炵伀200鈩�,绌哄喎銆�

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