T20826
USA UNS T20826 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 | T20826 | UNS | USA | Hot-Work Tool Steel |
Chemical composition(mass fraction)(wt.%) of the T20826
| C | Si | Mn | P | S | Cr | Mo | V | W | Ni＋Cu |
|---|---|---|---|---|---|---|---|---|---|
| 0.45 -0.55 | 0.15 -0.40 | 0.15 -0.40 | ≤0.030 | ≤0.030 | 3.75 -4.50 | ≤ ≥ | 0.75 -1.25 | 17.25 -19.00 | ≤0.75 |
Mechanical Properties of steel grade T20826
| 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) |
|---|---|---|---|---|---|---|
| 172 (≥) | 491 (≥) | 24 | 43 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 221 |
Physical Properties of steel grade T20826
| 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 |
|---|---|---|---|---|---|---|---|
| 32 | – | – | 0.33 | – | |||
| 129 | 732 | – | 42.3 | 222 | – | ||
| 449 | – | 12 | 24.2 | 241 | 313 |
Heat Treatment of steel grade T20826
Heat treated : 1664°C – 1195°C
Technological Curves of steel grade T20826
No Curve
Cross Reference Table (Equivalent Grade) of T20826
| Grade | Standard | Country | Application |
|---|---|---|---|
| UNS T20826 | |||
| T20826 |