USA SAE SAE J 775 (2004), Waspaloy Specialsteel Engine poppet valve information report and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | Waspaloy | Precipitation-Hardening | SAE | USA | Engine poppet valve information report |
C | Si | Mn | Cr | Ni | Mo | Co | W | Al | Cu | Ti | Fe | B | Zr |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.07 | ≤0.10 | ≤0.10 | ≤19.75 | ≤remaining | ≤4.45 | ≤14.00 | ≤ ≥ | ≤1.40 | ≤ ≥ | ≤3.00 | ≤0.75 | ≤0.005 | ≤0.04 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
155 (≥) | 858 (≥) | 32 | 41 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
11 | - | - | 0.44 | - | |||
569 | 797 | - | 12.3 | 131 | - | ||
496 | - | 44 | 43.2 | 342 | 241 |
Heat treated : 1976°C - 1766°C
Grade | Standard | Country | Application |
---|---|---|---|
Waspaloy |
SAE J 775 (2004) | Engine poppet valve information report | SAE-J-775-(2004).pdf |
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