Engine poppet valve information report
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.07 | ||
| Si | - | 0.10 | ||
| Mn | - | 0.10 | ||
| Cr | - | 19.75 | ||
| Ni | - | remaining | ||
| Mo | - | 4.45 | ||
| Co | - | 14.00 | ||
| W | - | - | ||
| Al | - | 1.40 | ||
| Cu | - | - | ||
| Ti | - | 3.00 | ||
| Fe | - | 0.75 | ||
| B | - | 0.005 | ||
| Zr | - | 0.04 |
Engine poppet valve information report
| 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) |
|---|---|---|---|---|---|---|
| 541 (≥) | 313 (≥) | 44 | 32 | 44 | 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 |
|---|---|---|---|---|---|---|---|
| 616 (≥) | 584 (≥) | 12 | 14 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 891 | 844 | 711 |
We can customize the production of Waspaloy grade, contact us for the best solution.
–sales@specificsteel.com