〔32〕合金工具钢（2）
(Alloy Tool Steels(2))
标准代号	规格号码	记号	化学成分（%)Chemical composition												机械性质（硬度）
			C	Si	Mn	P	S	Ni	Cr	Mo	W	V	Cu	Co	退火HB	淬火HRC
CNS	2965	SKD1	1.9-2.2	0.1-0.6	0.2-0.6	≦0.03	≦0.03	≦0.5	11.0-13.0	-	-	≦0.3	≦0.25	-	≦241	≧62
GB	1299	Cr12	2.0-2.3	≦0.4	≦0.4	≦0.03	≦0.03	-	11.5-13.0	-	-	-	-	-	269-217	≧60
JIS	G4404	SKD1	1.9-2.2	0.1-0.6	0.2-0.6	≦0.03	≦0.03	≦0.5	11.0-13.0	-	-	≦0.3	≦0.25	-	≦241	≧62
ASTM	A681	D3	2.00-2.35	0.1-0.6	0.2-0.6	≦0.03	≦0.03	-	11.0-13.5	-	≦1.0	≦1.0	-	-	≦225	≧61
DIN	17350	X210Cr12	1.9-2.2	0.1-0.4	0.15-0.45	≦0.03	≦0.03	-	11.0-12.0	-	-	-	-	-	≦250	≧62
CNS	2965	SKD2	2.0-2.3	0.1-0.4	0.3-0.6	≦0.03	≦0.03	0.6-0.8	11.0-13.0	-	0.6-0.8	-	-	-	≦255	≧62
JIS	G4404	SKD2	2.0-2.3	0.1-0.4	0.3-0.6	≦0.03	≦0.03	0.6-0.8	11.0-13.0	-	0.6-0.8	-	-	-	≦255	≧62
DIN	17350	X210CrW1-2	2.00-2.25	0.1-0.4	0.15-0.45	≦0.03	≦0.03	-	11.0-12.0	-	0.6-0.8	-	-	-	≦225	≧62
CNS	2965	SKD4	0.25-0.35	≦0.4	≦0.6	≦0.03	≦0.02	≦0.25	2.0-3.0	-	5.0-6.0	0.35-0.50	≦0.25	-	≦235	≧42
JIS	G4404	SKD4	0.25-0.35	≦0.4	≦0.6	≦0.03	≦0.02	≦0.25	2.0-3.0	-	5.0-6.0	0.35-0.50	≦0.25	-	≦235	≧42
DIN	17350	X30WCrV5-3	0.25-0.35	0.15-0.30	0.2-0.4	≦0.035	≦0.035	-	2.2-2.5	-	4.0-4.5	0.5-0.7	-	-	≦240	-
CNS	2965	SKD5	0.25-0.35	0.1-0.4	0.15-0.45	≦0.03	≦0.03	≦0.25	2.0-3.2	-	9.0-10.0	0.35-0.5	≦0.25	-	≦241	≧48
GB	1299	3Cr2W8V	0.3-0.4	≦0.4	≦0.4	≦0.03	≦0.03	-	2.2-2.7	-	7.5-9.0	0.2-0.5	-	-	255-207	≧60
JIS	G4404	SKD5	0.25-0.35	0.1-0.4	0.15-0.45	≦0.03	≦0.03	≦0.25	2.0-3.2	-	9.0-10.0	0.35-0.5	≦0.25	-	≦241	≧48
ASTM	A681	H21	0.26-0.36	0.15-0.50	0.15-0.40	≦0.03	≦0.03	-	3.00-3.75	-	8.5-10.0	0.3-0.6	-	-	≦235	≧52
DIN	17350	X30WCrV9-3	0.25-0.35	0.15-0.30	0.2-0.4	≦0.035	≦0.035	-	2.5-2.8	-	8.0-9.0	0.3-0.4	-	-	≦240	-
CNS	2965	SKD6	0.32-0.42	0.8-1.2	≦0.5	≦0.03	≦0.03	≦0.25	4.5-5.5	1.0-1.5	-	0.3-0.5	≦0.25	-	≦229	≧48
GB	1299	4Cr5MoSiV	0.32-0.42	0.8-1.2	≦0.4	≦0.03	≦0.03	-	4.5-5.5	-	1.6-2.4	0.6-1.0	-	-	≦229	≧60
JIS	G4404	SKD6	0.32-0.42	0.8-1.2	≦0.5	≦0.03	≦0.03	≦0.25	4.5-5.5	1.0-1.5	-	0.3-0.5	≦0.25	-	≦229	≧48
ASTM	A681	H11	0.33-0.43	0.8-1.2	0.2-0.5	≦0.03	≦0.03	-	4.75-5.50	1.1-1.6	-	0.3-0.6	-	-	≦235	≧53
DIN	17350	X38CrMoV5-1	0.36-0.42	0.9-1.2	0.3-0.5	≦0.03	≦0.03	-	4.8-5.8	1.1-1.4	-	0.25-0.50	-	-	≦235	-
CNS	2965	SKD7	0.28-0.38	≦0.5	≦0.6	≦0.03	≦0.02	≦0.25	2.5-3.5	2.5-3.0	-	0.4-0.7	≦0.25	-	≦229	≧46
GB	1299	4Cr3Mo3Si-V	0.35-0.45	0.8-1.2	0.25-0.7	≦0.03	≦0.03	≦0.25	3.0-3.75	2.0-3.0	-	0.25-0.75	≦0.3	-	≦229	≧60
JIS	G4404	SKD7	0.28-0.38	≦0.5	≦0.6	≦0.03	≦0.02	≦0.25	2.5-3.5	2.5-3.0	-	0.4-0.7	≦0.25	-	≦229	≧46
ASTM	A681	H10	0.35-0.45	0.8-1.2	0.25-0.70	≦0.03	≦0.03	-	3.00-3.75	2.0-3.0	-	0.25-0.75	-	-	≦229	≧55
DIN	17350	X32CrMoV3-3	0.28-0.35	0.1-0.4	0.15-0.45	≦0.03	≦0.03	-	2.7-3.2	2.6-3.0	-	0.4-0.7	-	-	≦230	-
CNS	2965	SKD8	0.35-0.45	≦0.5	≦0.6	≦0.03	≦0.03	≦0.25	4.0-4.7	0.3-0.5	3.8-4.5	1.7-2.2	≦0.25	3.8-4.5	≦262	≧48
JIS	G4404	SKD8	0.35-0.45	≦0.5	≦0.6	≦0.03	≦0.03	≦0.25	4.0-4.7	0.3-0.5	3.8-4.5	1.7-2.2	≦0.25	3.8-4.5	≦262	≧48
DIN	17350	140Cr3	1.35-1.50	0.15-0.30	0.25-0.40	≦0.035	≦0.035	-	0.4-0.7	-	-	-	-	-	≦230	-
CNS	2965	SKD8	0.35-0.45	≦0.5	≦0.6	≦0.03	≦0.03	≦0.25	4.0-4.7	0.3-0.5	3.8-4.5	1.7-2.2	≦0.25	3.8-4.5	≦262	≧48
JIS	G4404	SKD8	0.35-0.45	≦0.5	≦0.6	≦0.03	≦0.03	≦0.25	4.0-4.7	0.3-0.5	3.8-4.5	1.7-2.2	≦0.25	3.8-4.5	≦262	≧48
ASTM	A681	H19	0.32-0.45	0.2-0.5	0.2-0.5	≦0.03	≦0.03	-	4.00-4.75	0.30-0.55	3.75-4.50	1.75-2.20	-	4.0-4.5	≦241	≧55
CNS	2965	SKD11	1.4-1.6	≦0.4	≦0.6	≦0.03	≦0.03	≦0.5	11.0-13.0	0.8-1.2	-	0.2-0.5	≦0.25	-	≦255	≧58
GB	1299	Cr12MoV	1.45-1.70	≦0.4	≦0.4	≦0.03	≦0.03	-	11.0-12.5	0.4-0.6	-	0.15-0.30	-	-	225-207	≧68
JIS	G4404	SKD11	1.4-1.6	≦0.4	≦0.6	≦0.03	≦0.03	≦0.5	11.0-13.0	0.8-1.2	-	0.2-0.5	≦0.25	-	≦255	≧58
DIN	17350	X165CrMoV-12	1.55-1.75	0.25-0.40	0.2-0.4	≦0.03	≦0.03	0.5-0.7	11.0-12.0	0.4-0.6	-	0.1-0.5	-	-	≦255	≧61
GB	1299	Cr12Mo1-V1	1.4-1.6	≦0.6	≦0.6	≦0.03	≦0.03	≦0.25	11.0-13.0	0.7-1.2	-	≦1.1	≦0.3	-	≦255	≧59
ASTM	A681	D2	1.4-1.6	0.1-0.6	0.2-0.6	≦0.03	≦0.03	-	11.0-13.0	0.7-1.2	-	0.5-1.1	-	-	≦255	≧59
DIN	17350	X155CrMoV-12-1	1.5-1.6	0.1-0.4	0.15-0.45	≦0.03	≦0.03	-	11.0-12.0	0.6-0.8	-	0.9-1.1	-	-	≦250	≧61
CNS	2965	SKD12	0.95-1.05	≦0.4	0.6-0.9	≦0.03	≦0.03	≦0.5	4.5-5.5	0.8-1.2	-	0.25-0.50	≦0.25	-	≦255	≧60
GB	1299	Cr5Mo1V	0.95-1.05	≦0.5	≦1.0	≦0.03	≦0.03	-	4.75-5.50	0.9-1.4	-	0.10-0.25	-	-	≦255	≧60
JIS	G4404	SKD12	0.95-1.05	≦0.4	0.6-0.9	≦0.03	≦0.03	≦0.5	4.5-5.5	0.8-1.2	-	0.25-0.50	≦0.25	-	≦255	≧60
ASTM	A681	A2	0.95-1.05	0.1-0.5	0.4-1.0	≦0.03	≦0.03	-	4.75-5.50	0.9-1.4	-	0.15-0.50	-	-	≦248	≧60
DIN	17350	X100CrMoV-5-1	0.90-1.05	0.2-0.4	0.4-0.7	≦0.035	≦0.035	-	4.8-5.5	0.9-1.2	-	0.1-0.3	-	-	≦230	≧62
CNS	2965	SKD61	0.32-0.42	0.8-1.2	≦0.5	≦0.03	≦0.03	≦0.25	4.5-5.5	1.0-1.5	-	0.80-1.15	≦0.25	-	≦229	≧50
GB	1299	4Cr5MoSi-V1	0.33-0.43	0.8-1.2	0.2-0.5	≦0.03	≦0.03	-	4.75-5.00	1.1-1.6	-	0.3-0.6	-	-	≦235	≧60
JIS	G4404	SKD61	0.32-0.42	0.8-1.2	≦0.5	≦0.03	≦0.03	≦0.25	4.5-5.5	1.0-1.5	-	0.80-1.15	≦0.25	-	≦229	≧50
ASTM	A681	H13	0.32-0.45	0.8-1.2	0.2-0.5	≦0.03	≦0.03	-	4.75-5.50	1.10-1.75	-	0.8-1.2	-	-	≦235	≧52
DIN	17350	X40CrMoV5-1	0.37-0.42	0.9-1.2	0.3-0.5	≦0.03	≦0.03	-	4.8-5.5	1.2-1.5	-	0.9-1.1	-	-	≦235	-
CNS	2965	SKD62	0.32-0.42	0.8-1.2	0.2-0.5	≦0.03	≦0.02	≦0.25	4.5-5.5	1.0-1.5	1.0-1.5	0.2-0.5	≦0.25	-	≦229	≧48
JIS	G4404	SKD62	0.32-0.42	0.8-1.2	≦0.5	≦0.03	≦0.02	≦0.25	4.5-5.5	1.0-1.5	1.0-1.5	0.2-0.5	≦0.25	-	≦229	≧48
ASTM	A681	H12	0.3-0.4	0.8-1.2	0.2-0.5	≦0.03	≦0.03	≦0.4	4.75-5.50	1.25-1.75	1.0-1.7	0.2-0.5	-	-	≦235	≧53
DIN	17350	X37CrMoW5-1	0.32-0.40	0.9-1.2	0.3-0.6	≦0.035	≦0.035	-	5.0-5.6	1.3-1.6	1.2-1.4	0.15-0.4	-	-	≦230	-