USA UNS NV3/NE8150 Specialsteel Intake valve steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | NV3/NE8150 | UNS | USA | Intake valve steel |
| C | Si | Mn | P | S | Ni | Mo |
|---|---|---|---|---|---|---|
| ≤0.50 | ≤0.30 | ≤0.80 | ≤ | ≤ | ≤0.30 | ≤0.15 |
| 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) |
|---|---|---|---|---|---|---|
| 739 (≥) | 989 (≥) | 41 | 42 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 224 |
| 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 |
|---|---|---|---|---|---|---|---|
| 23 | - | - | 0.33 | - | |||
| 243 | 774 | - | 12.3 | 434 | - | ||
| 322 | - | 32 | 43.2 | 121 | 113 |
Heat treated : 1466°C - 1618°C
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