〔35〕弹簧钢
（Spring Steel)
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	V	Co	Mo	Cu	Bo	厚度（mm)	降伏强度(Mpa)	抗拉强度(Mpa)	伸长度(%)	热处理
GB	1222	70	0.62-0.75	0.17-0.37	0.5-0.8	≦0.035	≦0.035	-	≦0.25	-	-	≦0.25	≦0.25	-	-	≧835	≧1030	≧8	淬火 回火	≦285
AISI	-	1070	0.65-0.75	-	0.6-0.9	≦0.04	≦0.05	-	-	-	-	-	-	-	-	-	-	-	-	-
CNS	2905	SUP3	0.75-0.9	0.15-0.35	0.3-0.6	≦0.035	≦0.035	-	-	-	-	-	-	-	-	≧835	≧1080	≧8	淬火 回火	341-401
GB	1222	85	0.82-0.92	0.17-0.37	0.5-0.8	≦0.035	≦0.035	≦0.25	≦0.25	-	-	-	≦0.25	-	-	≧980	≧1130	≧6	淬火 回火	≦302
JIS	G4801	SUP3	0.75-0.9	0.15-0.35	0.3-0.6	≦0.035	≦0.035	-	-	-	-	-	-	-	-	≧835	≧1080	≧8	淬火 回火	341-401
AISI	-	1086	0.8-0.94	-	0.3-0.5	≦0.04	≦0.05	-	-	-	-	-	-	-	-	-	-	-	-	-
DIN	17222	CK85	0.8-0.9	0.15-0.35	0.45-0.65	≦0.035	≦0.035	-	-	-	-	-	-	-	-	≧1275	1400-1950	≧6	淬火 回火	≦215
CNS	2905	SUP6	0.56-0.64	1.5-1.8	0.7-1.0	≦0.035	≦0.035	-	-	-	≦0.3	-	-	-	-	≧1080	≧1230	≧9	淬火 回火	363-429
GB	1222	60Si2-Mn	0.56-0.64	1.5-2.0	0.6-0.9	≦0.035	≦0.035	≦0.35	≦0.35	-	-	-	≦0.35	-	-	≧1175	≧1275	≧5	淬火 回火	≦321
JIS	G4801	SUP6	0.56-0.64	1.5-1.8	0.7-1.0	≦0.035	≦0.035	-	-	-	≦0.3	-	-	-	-	≧1080	≧1230	≧9	淬火 回火	363-429
AISI	-	9260	0.56-0.64	1.8-2.2	0.75-1.00	≦0.035	≦0.04	-	-	-	-	-	-	-	-	-	-	-	-	-
DIN	17222	60Si7	0.56-0.64	1.5-1.8	0.7-1.0	≦0.45	≦0.45	-	-	-	-	-	-	-	-	-	-	-	-	-
CNS	2905	SUP7	0.56-0.64	1.8-2.2	0.7-1.0	≦0.035	≦0.035	-	-	-	≦0.3	-	-	-	-	≧1080	≧1230	≧9	淬火 回火	363-429
JIS	G4801	SUP7	0.56-0.64	1.8-2.2	0.7-1.0	≦0.035	≦0.035	-	-	-	≦0.3	-	-	-	-	≧1080	≧1230	≧9	淬火 回火	363-429
AISI	-	9260	0.56-0.64	1.8-2.2	0.75-1.00	≦0.035	≦0.04	-	-	-	-	-	-	-	-	-	-	-	-	-
AISI	-	9262	0.55-0.65	1.8-2.2	0.75-1.00	≦0.04	≦0.04	-	0.25-0.40	-	-	-	-	-	-	-	-	-	-	-
DIN	17222	65Si7	0.6-0.68	1.5-1.8	0.7-1.0	≦0.05	≦0.05	-	-	-	-	-	-	-	-	≧1080	1270-1520	≧6	淬火 回火	≦240
CNS	2905	SUP9	0.52-0.60	0.15-0.35	0.65-0.95	≦0.035	≦0.035	-	0.65-0.95	-	-	-	-	-	-	≧1080	≧1230	≧9	淬火 回火	363-420
GB	1222	55CrMn-A	0.52-0.60	0.17-0.37	0.65-0.95	≦0.03	≦0.03	≦0.35	0.65-0.95	-	-	-	-	-	-	≧1080	≧1225	≧9	淬火 回火	≦321
JIS	G4801	SUP9	0.52-0.60	0.15-0.35	0.65-0.95	≦0.035	≦0.035	-	0.65-0.95	-	-	-	-	-	-	≧1080	≧1230	≧9	淬火 回火	363-420
AISI	-	5155	0.51-0.59	0.15-0.30	0.7-0.9	≦0.035	≦0.04	-	0.7-0.9	-	-	-	-	-	-	-	-	-	-	-
DIN	17222	55Cr3	0.52-0.59	0.15-0.40	0.7-1.0	≦0.035	≦0.035	-	0.6-0.9	-	-	-	-	-	-	≧1175	1320-1720	≧6	淬火 回火	≦250
CNS	2905	SUP9A	0.56-0.64	0.15-0.35	0.7-1.0	≦0.035	≦0.035	-	0.7-1.0	-	-	-	-	-	-	≧1080	≧1226	≧9	淬火 回火	363-420
GB	1222	60CrMn-A	0.56-0.64	0.17-0.37	0.7-1.0	≦0.03	≦0.03	≦0.35	0.7-1.0	-	-	-	-	-	-	≧1080	≧1225	≧9	淬火 回火	≦321
JIS	G4801	SUP9A	0.56-0.64	0.15-0.35	0.7-1.0	≦0.035	≦0.035	-	0.7-1.0	-	-	-	-	-	-	≧1080	≧1226	≧9	淬火 回火	363-420
AISI	-	5160	0.56-0.64	0.15-0.35	0.75-1.00	≦0.035	≦0.04	-	0.7-0.9	-	-	-	-	-	-	-	-	-	-	-
CNS	2905	SUP10	0.47-0.55	0.15-0.35	0.65-0.95	≦0.035	≦0.035	-	0.7-1.0	0.15-0.25	≦0.15	-	-	-	-	≧1080	≧1230	≧10	淬火 回火	363-429
GB	1222	50CrVA	0.46-0.54	0.17-0.37	0.5-0.8	≦0.03	≦0.03	≦0.35	0.8-1.1	0.1-0.2	-	-	≦0.25	-	-	≧1130	≧1275	≧10	淬火 回火	≦321
JIS	G4801	SUP10	0.47-0.55	0.15-0.35	0.65-0.95	≦0.035	≦0.035	-	0.7-1.0	0.15-0.25	≦0.15	-	-	-	-	≧1080	≧1230	≧10	淬火 回火	363-429
AISI	-	6150	0.48-0.53	0.15-0.30	0.7-0.9	≦0.035	≦0.04	-	0.8-1.1	-	≦0.15	-	-	-	-	-	-	-	-	-
DIN	17222	50CrV4	0.47-0.55	0.15-0.40	0.7-1.0	≦0.035	≦0.035	-	0.9-1.2	-	0.1-0.2	-	-	-	10	≧1180	1370-1670	≧6	淬火 回火	≦248
CNS	2905	SUP11	0.56-0.64	0.15-0.35	0.7-1.0	≦0.035	≦0.035	-	0.7-1.0	-	-	-	-	-	-	≧1080	≧1230	≧10	淬火 回火	363-429
JIS	G4801	SUP11	0.56-0.64	0.15-0.35	0.7-1.0	≦0.035	≦0.035	-	0.7-1.0	-	-	-	-	-	-	≧1080	≧1230	≧10	淬火 回火	363-429
AISI	-	50B50	0.48-0.53	0.15-0.30	0.75-1.00	≦0.035	≦0.04	-	0.4-0.6	-	-	-	-	-	-	-	-	-	-	-
AISI	-	50B60	0.56-0.64	0.15-0.30	0.75-1.00	≦0.035	≦0.04	-	0.4-0.6	-	-	-	-	-	-	-	-	-	-	-
DIN	17222	52MnCr-B-3	0.48-0.55	0.15-0.35	0.75-1.00	≦0.035	≦0.035	-	0.4-0.6	-	-	-	-	-	-	≧1175	1320-1720	≧6	淬火 回火	≦230
CNS	2905	SUP11A	0.56-0.64	0.15-0.35	0.7-1.0	≦0.035	≦0.035	-	0.7-1.0	-	-	-	-	-	-	≧1080	≧1230	≧10	淬火 回火	363-429
GB	1222	60CrMn-BA	0.56-0.64	0.17-0.37	0.7-1.0	≦0.03	≦0.03	≦0.35	0.7-1.0	-	-	-	≦0.25	0.0005-0.0040	-	≧1080	≧1225	≧9	淬火 回火	≦321
JIS	G4801	SUP11A	0.56-0.64	0.15-0.35	0.7-1.0	≦0.035	≦0.035	-	0.7-1.0	-	-	-	-	-	-	≧1080	≧1230	≧10	淬火 回火	363-429
DIN	17222	58CrMn-B-4	0.52-0.6	0.7-1.0	0.7-1.0	≦0.03	≦0.03	-	≦0.35	-	-	-	-	0.0005-0.0035	-	-	-	-	-	-
CNS	2905	SUP12	0.51-0.59	1.2-1.6	0.6-0.9	≦0.035	≦0.035	-	0.6-0.9	-	-	-	-	-	-	≧1080	≧1230	≧9	淬火 回火	363-429
JIS	G4801	SUP12	0.51-0.59	1.2-1.6	0.6-0.9	≦0.035	≦0.035	-	0.6-0.9	-	-	-	-	-	-	≧1080	≧1230	≧10	淬火 回火	363-429
AISI	-	9254	0.51-0.59	1.2-1.6	0.6-0.8	≦0.035	≦0.04	-	0.6-0.8	-	-	-	-	-	-	-	-	-	-	-