| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C(CarBon) | - | 0.35 | ||
| Cr | - | 3.0 | ||
| Mo | - | 1.0 | ||
| V | - | 0.25 |
| 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) |
|---|---|---|---|---|---|---|
| 227 (≥) | 137 (≥) | 22 | 31 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 |
| 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 |
|---|---|---|---|---|---|---|---|
| 645 (≥) | 678 (≥) | 12 | 22 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 617 | 358 | 387 |
We can customize the production of 1.7765 grade, contact us for the best solution.
–sales@specificsteel.com