USA SAE SAE J 437 (1970), SAE J 438 (1970), W6 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 | W6 | SAE | USA | Tool and die steels | 
| C | Si | Mn | Cr | V | 
|---|---|---|---|---|
| 0.95 -1.10 | 0.10 -0.40 | 0.10 -0.40 | 0.15 -0.30 | 0.15 -0.35 | 
| 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) | 
|---|---|---|---|---|---|---|
| 514 (≥) | 555 (≥) | 42 | 21 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 333 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 42 | - | - | 0.31 | - | |||
| 763 | 375 | - | 14.3 | 141 | - | ||
| 188 | - | 42 | 11.2 | 423 | 113 | 
Heat treated : 1299°C - 1241°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| 75CrMoNiW6-7 | |||
| ASTM W6 | |||
| SCW620 | |||
| SCW63 | |||
| W6Mo5Cr4V2Al | |||
| W6Mo5Cr4V2Co5 | |||
| CW6Mo5Cr4V3 | |||
| W6Mo5Cr4V3 | |||
| CW6Mo5Cr4V2 | |||
| W6Mo5Cr4V2 | |||
| 6W6Mo5Cr4V | |||
| 75CrMoNiW6-7 | |||
| 75CrMoNiW6-7 | 
| 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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