USA UNS HNV4 Specialsteel Steel for intake valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | HNV4 | UNS | USA | Steel for intake valves |
C | Si | Mn | P | S | Cr | Ni |
---|---|---|---|---|---|---|
0.45 - | 3.30 - | 0.40 - | - | - | 7.00 - | 1.00 - ≥ |
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) |
---|---|---|---|---|---|---|
496 (≥) | 268 (≥) | 43 | 22 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 |
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 |
---|---|---|---|---|---|---|---|
24 | - | - | 0.43 | - | |||
448 | 212 | - | 14.3 | 411 | - | ||
384 | - | 14 | 23.2 | 422 | 313 |
Heat treated : 1469°C - 1155°C
Grade | Standard | Country | Application |
---|---|---|---|
HNV4 | |||
SAE HNV4 | |||
SAE HNV4 | |||
1.2731 | |||
1.4731 | |||
1.2731 | |||
1.7311 | |||
1.7319 | |||
IN-731 | |||
1.2731 | |||
1.2731 | |||
1.4731 | |||
1.4731 |
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