Carbon tool steel products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures.
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.70 | 1.50 | ||
| Si | 0.10 | 0.40 | ||
| Mn | 0.10 | 0.40 | ||
| P | - | - | ||
| S | - | - | ||
| Cr | - | 0.30 | ||
| V | - | 0.10 | ||
| Mo | - | 0.10 | ||
| Cu | - | 0.20 | ||
| W | - | 0.15 |
T72302
| 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) |
|---|---|---|---|---|---|---|
| 441 (≥) | 687 (≥) | 31 | 43 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 341 |
| 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 |
|---|---|---|---|---|---|---|---|
| 214 (≥) | 358 (≥) | 43 | 42 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 441 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 382 | 657 | 628 |
We can customize the production of T72302 grade, contact us for the best solution.
–sales@specificsteel.com