USA ASTM CH-12 Casting tool steels and powder metallurgy tool steel and CH-12 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Tool Steel And Hard Alloy | CH-12 | ASTM | USA | Casting tool steels and powder metallurgy tool steel | 
| M50 | |||||
| T11350 | |||||
| M52 | |||||
| T11352 | |||||
| CA-2 | |||||
| CD-2 | |||||
| CD-5 | |||||
| CM-2 | |||||
| CS-5 | |||||
| CS-7 | 
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Mo(%) | V(%) | W(%) | 
|---|---|---|---|---|---|---|---|---|
| 0.30-0.40 | Max 1.50 | Max 0.75 | Max 0.030 | Max 0.030 | 4.75-5.75 | 1.25-1.75 | 0.20-0.50 | 1.00-1.70 | 
| 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) | 
|---|---|---|---|---|---|---|
| 383 (≥) | 468 (≥) | 13 | 34 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 221 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.41 | - | |||
| 716 | 351 | - | 41.3 | 333 | - | ||
| 479 | - | 14 | 12.2 | 443 | 124 | 
Heat treated : 1524°C - 1694°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| CH-12 | ASTM | USA | Casting tool steels and powder metallurgy tool steel | 
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