Wrought steels for use at elevated temperatures in engines
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.08 | 0.16 | ||
| Si | - | 0.60 | ||
| Mn | 0.40 | 1.00 | ||
| P | - | 0.035 | ||
| S | - | 0.035 | ||
| Cr | 11.50 | 13.00 | ||
| Mo | 0.40 | 0.80 | ||
| Ni | - | 1.00 | ||
| V | - | - |
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) |
|---|---|---|---|---|---|---|
| 735 (≥) | 554 (≥) | 31 | 42 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 133 |
| 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 |
|---|---|---|---|---|---|---|---|
| 177 (≥) | 427 (≥) | 41 | 22 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 818 | 386 | 818 |
We can customize the production of X12CrMo12-6 grade, contact us for the best solution.
–sales@specificsteel.com