USA UNS HEV7 Specialsteel Steel for exhaust valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | HEV7 | UNS | USA | Steel for exhaust valves | 
| C | Si | Mn | P | S | Cr | Ni | Mo | 
|---|---|---|---|---|---|---|---|
| ≤0.08 | ≤0.70 | ≤1.50 | ≤ ≥ | ≤ ≥ | ≤14.75 | ≤26.0 | ≤1.25 | 
| 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) | 
|---|---|---|---|---|---|---|
| 575 (≥) | 541 (≥) | 14 | 42 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 44 | - | - | 0.24 | - | |||
| 679 | 637 | - | 43.3 | 423 | - | ||
| 612 | - | 11 | 42.2 | 434 | 342 | 
Heat treated : 1588°C - 1247°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| HEV7 | |||
| SAE HEV7 | |||
| SAE HEV7 | |||
| S66286 | |||
| S66286 | |||
| S66286 | |||
| UNS S66286 | |||
| UNS S66286 | |||
| A-286 | |||
| A-286 | 
Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...
Rfq.: sales@longhaisteel.com