〔34〕高速工具钢
(High Speed Tool Steels)
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	Co	Cu	退火HB	淬火HRC
CNS	2904	SKH2	0.73-0.83	≦0.4	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	-	17.0-18.7	1.0-1.2	-	≦0.25	≦269	≧63
GB	9943	W18Cr4V	0.7-0.8	0.2-0.4	0.1-0.4	≦0.03	≦0.03	≦0.3	3.8-4.4	≦0.3	17.5-19.0	1.0-1.4	-	-	≦255	≧63
JIS	G4403	SKH2	0.73-0.83	≦0.4	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	-	17.0-18.7	1.0-1.2	-	≦0.25	≦269	≧63
ASTM	A600	T1	0.65-0.80	0.2-0.4	0.1-0.4	≦0.03	≦0.03	-	3.75-4.50	-	17.25-18.75	0.9-1.3	-	-	≦255	≧63
DIN	17350	S 18-0-1	0.70-0.78	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.4	-	17.5-18.5	1.0-1.2	-	-	240-300	≧64
CNS	2904	SKH3	0.73-0.83	≦0.4	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	-	17.0-19.0	0.8-1.2	-	≦0.25	≦269	≧64
GB	9943	W18Cr4V5-Co5	0.7-0.8	0.2-0.4	0.1-0.4	≦0.03	≦0.03	-	3.75-4.50	0.4-1.0	17.5-19.0	0.8-1.2	4.25-5.75	-	-	-
JIS	G4403	SKH3	0.73-0.83	≦0.4	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	-	17.0-19.0	0.8-1.2	4.5-5.5	≦0.25	≦269	≧63
ASTM	A600	T4	0.7-0.8	0.2-0.4	0.1-0.4	≦0.03	≦0.03	-	3.75-4.50	0.4-1.0	17.5-19.0	0.8-1.2	4.25-5.75	-	≦269	≧63
DIN	17350	S 18-1-2-5	0.75-0.83	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.5	0.5-0.8	17.5-18.5	1.4-1.7	4.5-5.5	-	240-300	≧64
CNS	2904	SKH4	0.73-0.83	≦0.4	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	-	17.0-19.0	1.0-1.5	9.0-11.0	≦0.25	≦285	≧64
GB	9943	W18Cr4V2-Co8	0.75-0.85	0.2-0.4	0.2-0.4	≦0.03	≦0.03	-	3.75-5.00	0.50-1.25	17.5-19.0	1.8-2.4	7.0-9.5	-	≦285	≧63
JIS	G4403	SKH4	0.73-0.83	≦0.4	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	-	17.0-19.0	1.0-1.5	9.0-11.0	≦0.25	≦285	≧64
ASTM	A600	T5	0.75-0.85	0.2-0.4	0.2-0.4	≦0.03	≦0.03	-	3.75-5.00	0.50-1.25	17.5-19.0	1.8-2.4	7.0-9.5	-	≦285	≧63
DIN	17350	S 18-1-2-10	0.72-0.80	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.5	0.5-0.8	17.5-18.5	1.4-1.7	9.0-10.0	-	240-300	≧64
CNS	2904	SKH10	1.45-1.60	≦0.45	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	-	11.5-13.5	4.2-5.2	4.2-5.2	≦0.25	≦285	≧64
GB	9943	W12Cr4V5-Co5	1.5-1.6	≦0.4	0.15-0.40	≦0.03	≦0.03	-	3.75-5.00	≦1.0	11.75-13.00	4.50-5.25	4.75-5.25	-	≦277	≧65
JIS	G4403	SKH10	1.45-1.60	≦0.45	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	-	11.5-13.5	4.2-5.2	4.2-5.2	≦0.25	≦285	≧64
ASTM	A600	T15	1.5-1.6	0.15-0.40	0.15-0.40	≦0.03	≦0.03	-	3.75-5.00	≦1.0	11.75-13.00	4.50-5.25	4.75-5.25	-	≦277	≧65
DIN	17350	S 12-1-4-5	1.30-1.45	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.5	0.7-1.0	11.5-12.5	3.5-4.0	4.5-5.0	-	240-300	≧65
CNS	2904	SKH9	-	-	-	-	-	-	-	-	-	-	-	-	-	-
GB	9943	W6Mo5Cr4-V2	0.8-0.9	0.2-0.4	0.15-0.40	≦0.03	≦0.03	-	3.8-4.4	4.5-5.5	5.50-6.75	1.75-2.20	-	-	≦255	≧63
JIS	G4403	SKH9	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ASTM	A600	M2	0.78-0.88	0.20-0.45	0.15-0.40	≦0.03	≦0.03	-	3.75-4.50	4.75-5.50	5.50-6.75	1.75-2.20	-	-	-	-
DIN	17350	S 6-5-2	0.86-0.94	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.5	4.7-5.2	6.0-6.7	1.7-2.0	-	-	240-300	≧64
CNS	2904	SKH52	1.0-1.1	≦0.45	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	5.5-6.7	5.5-6.7	2.3-2.6	-	≦0.25	≦262	≧64
GB	9943	W6Mo5Cr4V-3	1.0-1.1	≦0.45	0.15-0.40	≦0.03	≦0.03	0.20-0.45	3.75-4.50	4.75-6.50	5.00-6.75	2.25-2.75	-	-	≦255	≧65
JIS	G4403	SKH52	1.0-1.1	≦0.45	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	5.5-6.7	5.5-6.7	2.3-2.6	-	≦0.25	≦262	≧64
ASTM	A600	M3-1	1.0-1.1	0.20-0.45	0.15-0.40	≦0.03	≦0.03	-	3.75-4.50	4.75-6.50	5.00-6.75	2.25-2.75	-	-	≦255	≧64
DIN	17350	S 6-5-3	1.17-1.27	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.5	4.7-5.2	6.0-6.7	2.7-3.2	-	-	240-300	≧65
CNS	2904	SKH53	1.10-1.25	≦0.45	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	4.7-5.2	5.5-6.5	2.7-3.2	-	≦0.25	≦269	≧64
GB	9943	CW6Mo5Cr4-V3	1.15-1.25	0.2-0.4	0.15-0.40	≦0.03	≦0.03	≦0.3	3.75-4.50	4.75-6.50	5.00-6.75	2.75-3.25	-	≦0.25	≦255	≧64
JIS	G4403	SKH53	1.10-1.25	≦0.45	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	4.7-5.2	5.5-6.5	2.7-3.2	-	≦0.25	≦269	≧64
ASTM	A600	M3-2	1.15-1.25	0.20-0.45	0.15-0.40	≦0.03	≦0.03	-	3.75-4.50	4.75-6.50	5.00-6.75	2.75-3.25	-	-	≦255	≧64
DIN	17350	S 6-5-3	1.17-1.27	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.5	4.7-5.2	6.0-6.7	2.7-3.2	-	-	240-300	≧65
CNS	2904	SKH54	1.25-1.40	≦0.45	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	4.2-5.0	5.2-6.0	3.7-4.2	-	≦0.25	≦269	≧64
JIS	G4403	SKH54	1.25-1.40	≦0.45	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	4.2-5.0	5.2-6.0	3.7-4.2	-	≦0.25	≦269	≧64
ASTM	A600	M4	1.25-1.40	0.20-0.45	0.15-0.40	≦0.03	≦0.03	-	3.75-4.70	4.25-5.50	5.25-6.50	3.75-4.50	-	-	≦255	≧64
DIN	17350	S 6-5-3	1.17-1.27	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.5	4.7-5.2	6.0-6.7	2.7-3.2	-	-	240-300	≧65
CNS	2904	SKH55	0.85-0.95	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.5	4.7-5.2	5.9-6.7	1.7-2.1	4.5-5.0	-	≦269	≧64
GB	9943	W6Mo5Cr4-V2Co5	0.8-0.9	0.20-0.45	0.15-0.40	≦0.03	≦0.03	-	3.75-4.50	4.5-5.5	5.5-6.5	1.75-2.25	4.5-5.5	-	≦269	≧64
JIS	G4403	SKH55	0.85-0.95	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.5	4.7-5.2	5.9-6.7	1.7-2.1	4.5-5.0	-	≦269	≧64
DIN	17350	S 6-5-2-5	0.88-0.96	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.5	4.7-5.2	6.0-6.7	1.7-2.0	4.5-5.0	-	240-300	≧64
CNS	2904	SKH56	0.85-0.96	≦0.4	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	4.7-5.2	5.9-6.7	1.7-2.1	7.0-9.0	≦0.25	≦285	≧64
GB	9943	W6Mo5Cr4-V2Co5	0.8-0.9	0.20-0.45	0.15-0.40	≦0.03	≦0.03	-	3.75-4.50	4.5-5.5	5.5-6.5	1.75-2.25	4.5-5.5	-	≦269	≧64
JIS	G4403	SKH56	0.85-0.96	≦0.4	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	4.7-5.2	5.9-6.7	1.7-2.1	7.0-9.0	≦0.25	≦285	≧64
ASTM	A600	M36	0.8-0.9	0.20-0.45	0.15-0.40	≦0.03	≦0.03	-	3.75-4.00	4.5-5.5	5.5-6.5	1.75-2.25	7.75-8.75	-	≦269	≧64
CNS	2904	SKH57	1.20-1.35	≦0.4	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	3.2-3.9	9.0-10.0	3.0-3.5	9.5-10.5	≦0.25	≦293	≧66
JIS	G4403	SKH57	1.20-1.35	≦0.4	≦0.4	≦0.03	≦0.03	≦0.25	3.8-4.5	3.2-3.9	9.0-10.0	3.0-3.5	9.5-10.5	≦0.25	≦293	≧66
DIN	17350	S 10-4-3-10	1.20-1.35	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.5	3.2-3.9	9.0-10.0	3.0-3.5	9.5-10.5	-	240-300	≧66
CNS	2904	SKH58	0.95-1.05	≦0.7	≦0.4	≦0.03	≦0.03	-	3.5-4.5	8.2-9.2	1.5-2.1	1.7-2.2	-	≦0.25	≦269	≧66
GB	9943	W2Mo9Cr4-V2	0.97-1.05	0.2-0.55	0.15-0.40	≦0.03	≦0.03	-	3.5-4.0	8.2-9.2	1.4-2.1	1.75-2.25	-	≦0.25	≦255	≧65
JIS	G4403	SKH58	0.95-1.05	≦0.7	≦0.4	≦0.03	≦0.03	-	3.5-4.5	8.2-9.2	1.5-2.1	1.7-2.2	-	≦0.25	≦269	≧66
ASTM	A600	M7	0.97-1.07	0.20-0.55	0.15-0.40	≦0.03	≦0.03	-	3.75-4.50	8.2-9.2	1.4-2.1	1.75-2.25	-	-	≦277	≧65
DIN	17350	S 2-9-2	0.97-1.07	≦0.45	≦0.4	≦0.03	≦0.03	-	3.5-4.2	8.0-9.2	1.5-2.0	1.8-2.2	-	-	780-810	≧64
CNS	2904	SKH59	1.05-1.15	≦0.7	≦0.4	≦0.03	≦0.03	≦0.25	3.5-4.5	9.0-10.0	1.2-1.9	0.9-1.3	7.5-8.5	≦0.25	≦277	≧66
GB	9943	W2Mo9Cr4-VCo8	1.05-1.15	0.15-0.65	0.15-0.40	≦0.03	≦0.03	-	3.50-4.25	9.0-10.0	1.15-1.85	0.95-1.35	7.50-8.75	-	≦269	≧66
JIS	G4403	SKH59	1.05-1.15	≦0.7	≦0.4	≦0.03	≦0.03	≦0.25	3.5-4.5	9.0-10.0	1.2-1.9	0.9-1.3	7.5-8.5	≦0.25	≦277	≧66
ASTM	A600	M42	1.05-1.15	0.15-0.65	0.15-0.40	≦0.03	≦0.03	-	3.50-4.25	9.0-10.0	1.15-1.85	0.95-1.35	7.75-8.75	-	≦269	≧66
DIN	17350	S 2-10-1-8	1.05-1.12	≦0.45	≦0.4	≦0.03	≦0.03	-	3.6-4.4	9.0-10.0	1.2-1.8	1.0-1.3	7.5-8.5	-	240-300	≧66
GB	9943	W7Mo4Cr4-V2Co5	1.05-1.15	0.15-0.5	0.2-0.6	≦0.03	≦0.03	≦0.3	3.75-4.5	3.25-4.75	6.25-7.0	1.75-2.25	4.75-5.75	≦0.25	≦269	≧66
ASTM	A600	M41	1.05-1.15	0.15-0.2	0.2-0.6	≦0.03	≦0.03	-	3.75-4.5	3.25-4.25	6.25-7.0	1.75-2.25	4.75-5.75	-	≦269	≧66
DIN	17350	S 7-4-2-5	1.05-1.15	≦0.45	≦0.4	≦0.03	≦0.03	-	3.8-4.5	3.6-4.0	6.6-7.1	1.7-1.9	4.8-5.2	-	240-300	≧66