Hot-Work Tool Steel
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.35 | 0.45 | ||
| Si | 0.80 | 1.20 | ||
| Mn | 0.25 | 0.70 | ||
| P | - | 0.030 | ||
| S | - | 0.030 | ||
| Cr | 3.00 | 3.75 | ||
| Mo | 2.00 | 3.00 | ||
| V | 0.25 | 0.75 | ||
| W | - | - | ||
| Ni＋Cu | - | 0.75 |
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) |
|---|---|---|---|---|---|---|
| 776 (≥) | 628 (≥) | 22 | 33 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 |
| 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 |
|---|---|---|---|---|---|---|---|
| 668 (≥) | 875 (≥) | 43 | 22 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 223 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 654 | 483 | 239 |
We can customize the production of T20810 grade, contact us for the best solution.
–sales@specificsteel.com