Wrought steels for use at elevated temperatures in engines
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.08 | 0.15 | ||
| Si | - | 0.35 | ||
| Mn | 0.50 | 0.90 | ||
| P | - | 0.030 | ||
| S | - | 0.025 | ||
| Cr | 11.00 | 12.50 | ||
| Mo | 1.50 | 2.00 | ||
| Ni | 2.00 | 3.00 | ||
| V | 0.25 | 0.40 | ||
| N | 0.02 | 0.04 |
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) |
|---|---|---|---|---|---|---|
| 443 (≥) | 557 (≥) | 42 | 24 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 421 |
| 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 |
|---|---|---|---|---|---|---|---|
| 563 (≥) | 542 (≥) | 41 | 21 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 131 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 544 | 969 | 381 |
We can customize the production of X12CrNiMoV12-3 grade, contact us for the best solution.
–sales@specificsteel.com