High-strength austenitic steel for use at elevated temperature
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.025 | ||
| S | - | 0.025 | ||
| Cr | 13.50 | 16.00 | ||
| Ni | 24.00 | 27.00 | ||
| Mo | 1.00 | 1.50 | ||
| V | 0.10 | 0.50 | ||
| Ti | 1.90 | 2.30 | ||
| Al | - | 0.35 | ||
| B | 0.003 | 0.010 |
High-strength austenitic steel for use at elevated temperature
| 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) |
|---|---|---|---|---|---|---|
| 842 (≥) | 443 (≥) | 33 | 11 | 34 | 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 |
|---|---|---|---|---|---|---|---|
| 951 (≥) | 659 (≥) | 21 | 34 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 618 | 673 | 397 |
We can customize the production of 2570 grade, contact us for the best solution.
–sales@specificsteel.com