BACK
MOLYBDENUM TYPE HIGH SPEED TOOL STEELS
CHEMICAL COMPOSITION
AISI (SAE)
C
Mn
V
W
Si
Co
Cr
Mo
M1
0.85
--
1
1.5
--
-
4
8.5
M2
0.85 - 1.00
--
2
6
--
--
4
5
M3 CL1
1.05
--
2.4
6
--
--
4
5
M3 CL2
1.2
--
3
6
--
--
4
5
M4
1.3
--
4
5.5
--
--
4
4.5
M6
0.8
--
1.5
4
--
12
4
5
M7
1
--
2
1.75
--
--
4
8.75
M10
0.85 - 1.00
--
2
--
--
--
4
8
M30
0.8
--
1.25
2
--
5
4
8
M33
0.9
--
1.15
1.5
--
8
4
9.5
M34
0.9
--
2
2
--
8
4
8
M36
0.8
--
2
6
--
8
4
5
M41
1.1
--
2
6.75
--
5
4.25
3.75
M42
1.1
--
1.15
1.5
--
8
3.75
9.5
M43
1.2
--
1.6
2.75
--
8.25
3.75
8
M44
1.15
--
2
5.25
--
12
4.25
6.25
M46
1.25
--
3.2
2
--
8.25
4
8.25
M47
1.1
--
1.25
1.5
--
5
3.75
9.5
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