〔46〕铬钼合金钢锻件
（Chromium Molybdenum Steel Forgings for General use)
标准代号	规格号码	记号	化学成分（%)Chemical composition										拉伸试验 Tensile requirements				硬度（HB)
			C	Si	Mn	P	S	Cr	Mo	Ni	V	Cu	厚度（mm)	降伏强度(Mpa)	抗拉强度(Mpa)	伸长度(%)
CNS	4041	SFCM60	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧360	590-740	≧20	≧170
JIS	G3221	SFCM590	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧360	590-740	≧20	≧170
CNS	4041	SFCM65	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧410	640-780	≧17	≧187
JIS	G3221	SFCM640	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧410	640-780	≧17	≧187
CNS	4041	SFCM70	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧460	686-834	≧17	≧201
JIS	G3221	SFCM690	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧460	686-834	≧17	≧201
CNS	4041	SFCM75	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧510	740-880	≧16	≧217
JIS	G3221	SFCM740	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧510	740-880	≧16	≧217
ASTM	A290	Gr.E	0.35-0.45	0.20-0.35	0.7-1.0	≦0.04	≦0.04	0.80-1.15	0.15-0.25	≦0.3	≦0.06	≦0.35	-	≧515	≧725	≧20	230-269
ASTM	A290	Gr.F	0.35-0.45	0.20-0.35	0.7-1.0	≦0.04	≦0.04	0.80-1.15	0.15-0.25	≦0.3	≦0.06	≦0.35	-	-	-	-	262-311
ASTM	A291	Class 3	≦0.45	0.15-0.35	0.4-0.9	≦0.04	≦0.04	≦1.25	≦0.15	≦0.5	≦0.5	≦0.35	-	≧550	≧725	≧19	223-262
CNS	4041	SFCM80	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧550	780-930	-	≧229
JIS	G3221	SFCM780	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧550	780-930	-	≧229
CNS	4041	SFCM85	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧608	839-981	-	≧241
JIS	G3221	SFCM840	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧608	839-981	-	≧241
CNS	4041	SFCM90	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧657	883-1030	≧13	≧255
JIS	G3221	SFCM880	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧657	883-1030	≧13	≧255
CNS	4041	SFCM95	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧705	930-1080	≧12	≧269
JIS	G3221	SFCM940	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧705	930-1080	≧12	≧269
CNS	4041	SFCM100	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧755	980-1130	-	≧285
JIS	G3221	SFCM980	≦0.48	0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5	0.15-0.30	-	-	-	≦200	≧755	980-1130	-	≧285