USA UNS T20814 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 | T20814 | UNS | USA | Hot-Work Tool Steel |
| C | Si | Mn | P | S | Cr | Mo | V | W | Ni+Cu |
|---|---|---|---|---|---|---|---|---|---|
| 0.35 -0.45 | 0.80 -1.20 | 0.20 -0.50 | ≤0.030 | ≤0.030 | 4.75 -5.50 | ≤ ≥ | ≤ ≥ | 4.00 -5.25 | ≤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) |
|---|---|---|---|---|---|---|
| 582 (≥) | 298 (≥) | 12 | 21 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 113 |
| 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 | - | - | 0.23 | - | |||
| 576 | 791 | - | 23.3 | 442 | - | ||
| 917 | - | 41 | 42.2 | 222 | 313 |
Heat treated : 1993°C - 1219°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| UNS T20814 | |||
| T20814 |
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