USA ASTM H22 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 | H22 | ASTM | USA | Hot-Work Tool Steel |
C | Si | Mn | P | S | Cr | Mo | V | W | Ni+Cu |
---|---|---|---|---|---|---|---|---|---|
0.30 -0.40 | 0.15 -0.40 | 0.15 -0.40 | ≤0.030 | ≤0.030 | 1.75 -3.75 | ≤ ≥ | 0.25 -0.50 | 10.00 -11.75 | ≤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) |
---|---|---|---|---|---|---|
338 (≥) | 929 (≥) | 23 | 22 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 241 |
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 |
---|---|---|---|---|---|---|---|
22 | - | - | 0.44 | - | |||
251 | 661 | - | 32.3 | 431 | - | ||
841 | - | 43 | 22.2 | 131 | 344 |
Heat treated : 1286°C - 1895°C
Grade | Standard | Country | Application |
---|---|---|---|
ASTM H22 | |||
SWRCH22A | |||
SWRCH22K | |||
SCH22 | |||
SCH22X | |||
SCPH22 | |||
H22 | |||
H22 | |||
BH224/5 | |||
BH224/5 |
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