〔20〕机械构造用镍铬钢
(Nickel Chromium Steels for Machine Structural use)
标准代号	规格号码	记号	化学成分（%)Chemical composition
			C	Si	Mn	P	S	Ni	Cr	Cu
CNS	3230	SNC236	0.32-0.40	0.15-0.35	0.5-0.8	≦0.03	≦0.03	1.0-1.5	0.5-0.9	≦0.3
JIS	G4102	SNC236	0.32-0.40	0.15-0.35	0.5-0.8	≦0.03	≦0.03	1.0-1.5	0.5-0.9	≦0.3
SAE	-	3135	0.33-0.38	0.20-0.35	0.6-0.8	≦0.04	≦0.04	1.1-1.4	0.55-0.75	-
DIN	-	40NiCr6	0.32-0.40	0.15-0.35	0.4-0.8	≦0.035	≦0.035	1.25-1.75	0.3-0.7	-
CNS	3230	SNC415	0.12-0.18	0.15-0.35	0.35-0.65	≦0.03	≦0.03	2.0-2.5	0.2-0.5	≦0.3
GB	3077	12CrNi2	0.1-0.17	0.17-0.37	0.3-0.6	≦0.035	≦0.035	1.5-1.9	0.6-0.9	≦0.3
JIS	G4102	SNC415	0.12-0.18	0.15-0.35	0.35-0.65	≦0.03	≦0.03	2.0-2.5	0.2-0.5	≦0.3
SAE	-	3415	0.1-0.2	0.15-0.30	0.3-0.6	≦0.04	≦0.05	2.75-0.325	0.60-0.95	-
DIN	-	14NiCr10	0.10-0.17	0.15-0.35	0.4-0.7	≦0.035	≦0.035	2.25-2.75	0.55-0.95	-
CNS	3230	SNC631	0.27-0.35	0.15-0.35	0.35-0.65	≦0.03	≦0.03	2.5-3.0	0.6-1.0	≦0.3
GB	3077	30CrNi3	0.27-0.33	0.17-0.37	0.3-0.6	≦0.035	≦0.035	2.75-3.15	0.6-0.9	-
JIS	G4102	SNC631	0.27-0.35	0.15-0.35	0.35-0.65	≦0.03	≦0.03	2.5-3.0	0.6-1.0	≦0.3
SAE	-	3130	0.28-0.33	0.20-0.35	0.6-0.8	≦0.04	≦0.04	1.1-1.4	0.55-0.75	-
DIN	-	36NiCr10	0.32-0.40	0.15-0.35	0.4-0.8	≦0.035	≦0.035	2.25-2.75	0.55-0.95	-
CNS	3230	SNC815	0.12-0.18	0.15-0.35	0.35-0.65	≦0.03	≦0.03	3.0-3.5	0.7-1.0	≦0.3
GB	3077	12CrNi3	0.10-0.17	0.17-0.37	0.3-0.6	≦0.035	≦0.035	2.75-3.15	0.6-0.9	≦0.3
JIS	G4102	SNC815	0.12-0.18	0.15-0.35	0.35-0.65	≦0.03	≦0.03	3.0-3.5	0.7-1.0	≦0.3
SAE	-	3310	0.08-0.13	0.2-0.35	0.45-0.6	≦0.025	≦0.025	3.25-3.75	1.4-1.75	-
DIN	1654	14NiCr14	0.10-0.17	0.15-0.35	0.45-0.70	≦0.035	≦0.035	3.25-3.75	0.55-0.95	-
DIN	17210	15CrNi6	0.12-0.17	0.15-0.40	0.4-0.6	≦0.035	≦0.035	1.4-1.7	1.4-1.7	-
CNS	3230	SNC836	0.32-0.40	0.15-0.35	0.35-0.65	≦0.035	≦0.03	3.0-3.5	0.6-1.0	≦0.3
GB	3077	30CrNi3	0.27-0.33	0.17-0.37	0.3-0.6	≦0.035	≦0.035	2.75-3.15	0.6-0.9	≦0.3
JIS	G4102	SNC836	0.32-0.40	0.15-0.35	0.35-0.65	≦0.035	≦0.03	3.0-3.5	0.6-1.0	≦0.3
SAE	-	3435	0.3-0.4	0.15-0.3	0.3-0.6	≦0.04	≦0.05	2.75-3.25	0.6-0.95	-
DIN	-	31NiCr4	0.27-0.35	0.15-0.35	0.4-0.8	≦0.035	≦0.035	3.25-3.75	0.55-0.95	-
GB	3077	12CrNi4	0.1-0.16	0.17-0.37	0.3-0.6	≦0.035	≦0.035	3.25-3.65	1.25-1.65	≦0.3
SAE	-	2515	0.12-0.17	0.2-0.35	0.4-0.6	≦0.04	≦0.04	4.75-5.25	-	-
DIN	1654	14NiCr8	0.1-0.17	0.15-0.35	0.4-0.7	≦0.035	≦0.035	-	0.9-1.3	-
CNS	3230	SNC815	0.12-0.18	0.15-0.35	0.35-0.65	≦0.03	≦0.03	3.0-3.5	0.7-1.0	≦0.3
GB	3077	20Cr2Ni4	0.17-0.23	0.17-0.37	0.3-0.6	≦0.035	≦0.035	3.25-3.65	1.25-1.65	-
GB	3077	18Cr2Ni4WA	0.13-0.19	0.17-0.37	0.3-0.6	≦0.035	≦0.035	4.0-4.5	1.35-1.65	-
JIS	G4102	SNC815	0.12-0.18	0.15-0.35	0.35-0.65	≦0.03	≦0.03	3.0-3.5	0.7-1.0	≦0.3
SAE	-	3316	0.14-0.19	0.2-0.35	0.45-0.6	≦0.025	≦0.025	3.25-3.75	1.4-1.75	-
DIN	1654	14NiCr14	0.14-0.2	≦0.4	0.4-0.7	≦0.035	≦0.035	3.0-3.5	0.6-1.0	-