Hot-Work Tool Steel
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | 0.30 | 0.40 | ||
Si | 0.15 | 0.30 | ||
Mn | 0.20 | 0.40 | ||
Cr | 3.00 | 3.75 | ||
Mo | - | - | ||
V | 0.30 | 0.50 | ||
W | 8.75 | 10.00 |
Hot-Work Tool Steel
Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
755 (≥) | 714 (≥) | 41 | 12 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 141 |
Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
---|---|---|---|---|---|---|---|
598 (≥) | 689 (≥) | 43 | 22 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
977 | 938 | 782 |
We can customize the production of H21 grade, contact us for the best solution.
–sales@specificsteel.com