USA UNS EV7 Specialsteel Steel for exhaust valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | EV7 | UNS | USA | Steel for exhaust valves |
C | Si | Mn | Cr | Ni | N |
---|---|---|---|---|---|
0.20 - ≥ | 0.50 - ≥ | 5.00 - ≥ | 21.0 - ≥ | 4.50 - ≥ | 0.30 - ≥ |
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) |
---|---|---|---|---|---|---|
977 (≥) | 946 (≥) | 23 | 21 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 132 |
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 |
---|---|---|---|---|---|---|---|
13 | - | - | 0.21 | - | |||
157 | 817 | - | 41.3 | 124 | - | ||
224 | - | 44 | 41.2 | 111 | 114 |
Heat treated : 1619°C - 1813°C
Grade | Standard | Country | Application |
---|---|---|---|
EV7 | |||
HEV7 | |||
SAE EV7 | |||
SAE EV7 | |||
SAE HEV7 | |||
SAE HEV7 | |||
S63007 | |||
UNS S63007 | |||
UNS S63007 |
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