AISI T8 | |
Category | Steel |
Class | Tool steel |
Type | Tungsten high speed steel |
Designations | United States: ASTM A600 , FED QQ-T-590 , SAE J437 , SAE J438 , UNS T12008 |
Composition | |
Element | Weight % |
C | 0.75-0.85 |
Mn | 0.20-0.40 |
Si | 0.20-0.40 |
Cr | 3.75-4.50 |
Ni | 0.3 |
Mo | 0.40-1.00 |
W | 13.25-14.75 |
V | 1.80-2.40 |
Co | 4.25-5.75 |
Cu | 0.25 |
P | 0.03 |
S | 0.03 |
Mechanical Properties | |