Wrought steels for use at elevated temperatures in engines
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.16 | 0.24 | ||
| Si | 0.10 | 0.50 | ||
| Mn | 0.30 | 1.00 | ||
| P | - | 0.030 | ||
| S | - | 0.030 | ||
| Cr | 10.00 | 12.00 | ||
| Mo | 0.50 | 1.00 | ||
| Ni | 0.30 | 1.00 | ||
| V | 0.20 | 0.50 | ||
| B | - | 0.008 | ||
| N | - | 0.10 |
Wrought steels for use at elevated temperatures in engines
| 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) |
|---|---|---|---|---|---|---|
| 917 (≥) | 968 (≥) | 12 | 23 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 |
| 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 |
|---|---|---|---|---|---|---|---|
| 827 (≥) | 398 (≥) | 14 | 33 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 371 | 196 | 271 |
We can customize the production of X20CrMoNiNbV11-1 grade, contact us for the best solution.
–sales@specificsteel.com