USA UNS EV6 Specialsteel Steel for exhaust valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | EV6 | UNS | USA | Steel for exhaust valves | 
| C | Si | Mn | P | S | Cr | Ni | N | 
|---|---|---|---|---|---|---|---|
| 0.30 -0.45 | 2.75 -3.25 | 0.80 -1.30 | ≤0.030 | ≤0.030 | 18.0 -20.0 | 7.50 -8.50 | 0.15 -0.20 | 
| 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) | 
|---|---|---|---|---|---|---|
| 623 (≥) | 117 (≥) | 13 | 31 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 12 | - | - | 0.42 | - | |||
| 672 | 214 | - | 24.3 | 131 | - | ||
| 751 | - | 41 | 32.2 | 313 | 213 | 
Heat treated : 1875°C - 1677°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| EV6 | |||
| HEV6 | |||
| SAE EV6 | |||
| SAE EV6 | |||
| SAE HEV6 | |||
| SAE HEV6 | |||
| S63015 | |||
| UNS S63015 | |||
| UNS S63015 | 
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