USA SAE SAE J 437 (1970), SAE J 438 (1970), W108 Standard Tool Die Steels Tool and die steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Tool Die Steels | W108 Standard | SAE | USA | Tool and die steels |
| C | Si | Mn | Cr | V |
|---|---|---|---|---|
| 0.75 -0.85 | ≤0.35 | ≤0.35 | ≤0.15 | ≤ ≥ |
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 146 (≥) | 139 (≥) | 43 | 12 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 |
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.21 | - | |||
| 263 | 616 | - | 22.3 | 133 | - | ||
| 498 | - | 11 | 13.2 | 132 | 331 |
Heat treated : 1322°C - 1942°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| AISI W108 Commercial | |||
| SAE W108 Commercial | |||
| ASTM W108 Standard | |||
| ASTM W108 Extra | |||
| ASTM W108 Special |
| SAE J 437 (1970) | Selection and heat treatment of tool and die steels | SAE-J-437-(1970).pdf |
| SAE J 438 (1970) | Tool and die steels | SAE-J-438-(1970).pdf |
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