USA UNS T20819 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 | T20819 | UNS | USA | Hot-Work Tool Steel |
C | Si | Mn | P | S | Cr | Mo | V | W | Ni+Cu | Co |
---|---|---|---|---|---|---|---|---|---|---|
0.32 -0.45 | 0.20 -0.50 | 0.20 -0.50 | ≤0.030 | ≤0.030 | 4.00 -4.75 | 0.30 -0.55 | 1.75 -2.20 | 3.75 -4.50 | ≤0.75 | 4.00 -4.50 |
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) |
---|---|---|---|---|---|---|
846 (≥) | 596 (≥) | 32 | 24 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 133 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.32 | - | |||
263 | 427 | - | 24.3 | 133 | - | ||
894 | - | 33 | 21.2 | 242 | 111 |
Heat treated : 1411°C - 1736°C
Grade | Standard | Country | Application |
---|---|---|---|
UNS T20819 | |||
T20819 | |||
T20819 |
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