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纰� C 锛�3.55~3.85
纭� Si锛�2.34~2.86
閷� Mn锛�<0.6
纭� S 锛�<0.025
纾� P 锛�<0.08
閹侻g锛�0.02~0.04
绋€鍦熷惈閲廟E锛�0.03~0.05
鍔涘鎬ц兘锛�
鎶楁媺寮峰害 蟽b (MPa)锛氣墺500
姊濅欢灞堟湇寮峰害 蟽0.2 (MPa)锛氣墺320
浼搁暦鐜� 未 (%)锛氣墺7
纭害 锛�170锝�230HB
鐔辫檿鐞嗚(gu墨)鑼冨強閲戠浉绲勭箶锛�
鐔辫檿鐞嗚(gu墨)鑼冿細锛堢敱渚涙柟瀹�锛屼互涓嬬偤鏌愯│妯ｇ殑鐔辫檿鐞嗚(gu墨)鑼冿紝渚涘弮鑰冿級 920鈩�锛岄€€鐏�
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1銆佹脯閲忚寖鍦嶏細0-1.999A鍚稿厜搴﹀€�锛�0-99.99%婵冨害鍊�
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C锛�0.020锝�6.000% S锛�0.0030锝�2.000% Si锛�0.010锝�6.000% Mn锛�0.010锝�18.00%
P锛�0.0005锝�2.000% Ni锛�0.010锝�30.00% Cr锛�0.01锝�28.000% Mo锛�0.010锝�7.000%
Ti锛�0.010锝�5.000% Cu锛�0.010锝�8.000% 危RE锛�0.010锝�0.500% Mg锛�0.010锝�0.200%
2銆佹脯閲忕簿搴︼細绗﹀悎GB/T223.69-2008 GB/T223.68-1997 GB/T223-88妯欐簴
涓�銆佷富瑕佺壒榛烇細
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