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TUNGSTEN TYPE HIGH SPEED AND HOT
WORK TOOL STEELS
CHEMICAL COMPOSITION
TUNGSTEN TYPE HIGH SPEED TOOL STEELS
|
AISI (SAE)
|
C |
Mn
|
V | W |
Si
|
Co | Cr |
Mo
|
| T1 | 0.75 |
--
|
1 | 18 |
--
|
-- | 4 |
--
|
| T2 | 0.8 |
--
|
2 | 18 |
--
|
-- | 4 |
--
|
| T4 | 0.75 |
--
|
1 | 18 |
--
|
5 | 4 |
--
|
| T5 | 0.8 |
--
|
2 | 18 |
--
|
8 | 4 |
--
|
| T6 | 0.8 |
--
|
1.5 | 20 |
--
|
12 | 4.5 |
--
|
| T8 | 0.75 |
--
|
2 | 14 |
--
|
5 | 4 |
--
|
| T15 | 1.5 |
--
|
5 | 12 |
--
|
5 | 4 |
--
|
TUNGSTEN TYPE HOT WORK TOOL STEELS
|
AISI (SAE)
|
C |
Mn
|
V | W |
Si
|
Co
|
Cr |
Mo
|
| H21 | 0.35 |
--
|
-- | 9 |
--
|
--
|
3.5 |
--
|
| H22 | 0.35 |
--
|
-- | 11 |
--
|
--
|
2 |
--
|
| H23 | 0.3 |
--
|
-- | 12 |
--
|
--
|
12 |
--
|
| H24 | 0.45 |
--
|
-- | 15 |
--
|
--
|
3 |
--
|
| H25 | 0.25 |
--
|
-- | 15 |
--
|
--
|
4 |
--
|
| H26 | 0.5 |
--
|
1 | 18 |
--
|
--
|
4 |
--
|
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