H23
USA ASTM H23 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 | H23 | ASTM | USA | Hot-Work Tool Steel |
Chemical composition(mass fraction)(wt.%) of the H23
| C | Si | Mn | P | S | Cr | Mo | V | W | Ni＋Cu |
|---|---|---|---|---|---|---|---|---|---|
| 0.25 -0.35 | 0.15 -0.60 | 0.15 -0.40 | ≤0.030 | ≤0.030 | 11.00 -12.75 | ≤ ≥ | 0.75 -1.25 | 11.00 -12.75 | ≤0.75 |
Mechanical Properties of steel grade H23
| 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) |
|---|---|---|---|---|---|---|
| 726 (≥) | 266 (≥) | 41 | 41 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 333 |
Physical Properties of steel grade H23
| 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 | – | – | 0.33 | – | |||
| 351 | 944 | – | 21.3 | 131 | – | ||
| 455 | – | 32 | 11.2 | 232 | 144 |
Heat Treatment of steel grade H23
Heat treated : 1583°C – 1136°C
Technological Curves of steel grade H23
No Curve
Cross Reference Table (Equivalent Grade) of H23
| Grade | Standard | Country | Application |
|---|---|---|---|
| ASTM H23 | |||
| SCH23 | |||
| SCPH23 | |||
| 10X11H23T3MP | |||
| GH2302 |