USA UNS T20824 Tool Die Steels Hot-Work Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Tool Die Steels | T20824 | UNS | USA | Hot-Work Tool Steel | 
| C | Si | Mn | P | S | Cr | Mo | V | W | Ni+Cu | 
|---|---|---|---|---|---|---|---|---|---|
| 0.42 -0.53 | 0.15 -0.40 | 0.15 -0.40 | ≤0.030 | ≤0.030 | 2.50 -3.50 | ≤ ≥ | 0.40 -0.60 | 14.00 -16.00 | ≤0.75 | 
| 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) | 
|---|---|---|---|---|---|---|
| 252 (≥) | 481 (≥) | 24 | 12 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 322 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 31 | - | - | 0.24 | - | |||
| 158 | 373 | - | 13.3 | 332 | - | ||
| 295 | - | 24 | 42.2 | 141 | 331 | 
Heat treated : 1964°C - 1455°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| UNS T20824 | |||
| T20824 | 
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