〔47〕镍铬钼合金钢锻件
（Nickel 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	Ni	Cr	Mo	Cu	V	厚度（mm)	降伏强度(Mpa)	抗拉强度(Mpa)	伸长度(%)
CNS	4043	SFNCM70	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦200	≧490	690-830	≧18	≧201
JIS	G3222	SFNCM690	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦200	≧490	690-830	≧18	≧201
CNS	4043	SFNCM75	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦200	≧540	740-880	≧16	≧217
JIS	G3222	SFNCM740	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦200	≧540	740-880	≧16	≧217
ASTM	A291	Class 3A	≦0.45	0.15-0.35	0.4-0.9	≦0.04	≦0.04	1.0-1.3	≦1.5	≦0.15	≦0.35	≦0.1	≦254	≧550	≧725	≧19	223-262
CNS	4043	SFNCM80	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	-	-	-	-	-	-	-	-
JIS	G3222	SFNCM780	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.15-0.70	-	-	-	-	-	-		-
CNS	4043	SFNCM85	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦200	≧635	830-980	≧15	≧241
JIS	G3222	SFNCM830	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦200	≧635	830-980	≧15	≧241
ASTM	A291	Class 4	0.35-0.50	0.15-0.35	0.4-0.9	≦0.04	≦0.04	≦1.65	≦0.6	0.2-0.6	≦0.35	≦0.1	≦508	≧620	≧795	≧13	248-293
CNS	4043	SFNCM90	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦200	≧685	880-1030	-	≧255
JIS	G3222	SFNCM880	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦200	≧685	880-1030	-	≧255
ASTM	A290	Class G	0.35-0.45	0.20-0.35	0.6-0.9	≦0.04	≦0.04	1.65-2.00	0.6-0.9	0.2-0.5	≦0.35	≦0.1	-	≧690	≧860	≧15	262-311
CNS	4043	SFNCM95	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦200	≧755	930-1080	-	≧269
JIS	G3222	SFNCM930	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦200	≧755	930-1080	-	≧269
CNS	4043	SFNCM100	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦100	≧785	980-1130	≧13	≧285
JIS	G3222	SFNCM980	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦100	≧785	980-1130	≧13	≧285
ASTM	A290	Class Ⅰ	0.35-0.45	0.20-0.35	0.6-0.9	≦0.04	≦0.04	1.65-2.00	0.6-0.9	0.2-0.5	≦0.35	≦0.1	-	≧825	≧1000	≧14	320-352
CNS	4043	SFNCM105	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.45-3.50	0.15-0.70	-	-	≦200	≧835	1030-1180	≧11	≧302
JIS	G3222	SFNCM1030	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.45-3.50	0.15-0.70	-	-	≦200	≧835	1030-1180	≧11	≧302
CNS	4043	SFNCM110	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦200	≧835	1080-1230	-	≧311
JIS	G3222	SFNCM1080	≦0.5	0.15-0.35	0.35-1.00	≦0.03	≦0.03	0.4-3.5	0.4-3.5	0.15-0.70	-	-	≦200	≧835	1080-1230	-	≧311