USA UNS HEV2 Specialsteel Steel for exhaust valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | HEV2 | UNS | USA | Steel for exhaust valves |
C | Si | Mn | P | S | Cr | Ni |
---|---|---|---|---|---|---|
0.04 - ≥ | 0.08 - ≥ | 2.25 - ≥ | ≤ ≥ | ≤ ≥ | 16.0 - ≥ | ≤remaining |
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) |
---|---|---|---|---|---|---|
672 (≥) | 836 (≥) | 13 | 31 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
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 | - | - | 0.13 | - | |||
796 | 186 | - | 34.3 | 224 | - | ||
261 | - | 32 | 11.2 | 114 | 231 |
Heat treated : 1954°C - 1291°C
Grade | Standard | Country | Application |
---|---|---|---|
HEV2 | |||
SAE HEV2 | |||
SAE HEV2 | |||
N07002 | |||
UNS N07002 | |||
UNS N07002 |
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