USA UNS EVl Specialsteel Steel for exhaust valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | EVl | UNS | USA | Steel for exhaust valves |
| C | Si | Mn | Cr | Ni | Mo |
|---|---|---|---|---|---|
| 0.45 - ≥ | 0.50 - ≥ | 0.50 - ≥ | 23.5 - ≥ | 4.80 - ≥ | 2.80 - ≥ |
| 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) |
|---|---|---|---|---|---|---|
| 495 (≥) | 564 (≥) | 14 | 42 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 |
| 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 |
|---|---|---|---|---|---|---|---|
| 14 | - | - | 0.41 | - | |||
| 966 | 894 | - | 44.3 | 223 | - | ||
| 386 | - | 12 | 41.2 | 211 | 132 |
Heat treated : 1774°C - 1154°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| SAE EVl | |||
| SAE EVl | |||
| SAE EVl0 | |||
| SAE EVl0 | |||
| SAE EVll | |||
| SAE EVll | |||
| SAE EVl2 | |||
| SAE EVl2 | |||
| SAE EVl3 | |||
| SAE EVl3 | |||
| SAE EVl4 | |||
| SAE EVl4 | |||
| SAE EVl5 | |||
| SAE EVl5 | |||
| SAE EVl6 | |||
| SAE EVl6 | |||
| SAE EVl7 | |||
| SAE EVl7 | |||
| SAE HEVl | |||
| SAE HEVl |
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