Wrought steels for use at elevated temperatures in engines
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.03 | 0.08 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.025 | ||
| S | - | 0.015 | ||
| Cr | 13.50 | 16.00 | ||
| Mo | 1.00 | 1.50 | ||
| Ni | 24.00 | 27.00 | ||
| V | 0.10 | 0.50 | ||
| Ti | 1.90 | 2.30 | ||
| B | 0.003 | 0.010 |
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) |
|---|---|---|---|---|---|---|
| 687 (≥) | 829 (≥) | 11 | 44 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 113 |
| 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 |
|---|---|---|---|---|---|---|---|
| 214 (≥) | 279 (≥) | 13 | 23 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 421 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 724 | 321 | 358 |
We can customize the production of X6NiCrTiMoVB25-15-2 grade, contact us for the best solution.
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