USA SAE SAE HEV7 precipitation hardening and SAE HEV7 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Special Steel | SAE HEV7 | SAE | USA | precipitation hardening | 
| SAE EVl6 | |||||
| UNS S30430 | |||||
| SAE EVl7 | |||||
| SAE HEVl | |||||
| UNS N07002 | |||||
| SAE HEV2 | |||||
| SAE HEV3 | |||||
| UNS N07751 | |||||
| UNS N07090 | |||||
| SAE HEV6 | 
| 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) | 
|---|---|---|---|---|---|---|
| 857 (≥) | 676 (≥) | 42 | 24 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.42 | - | |||
| 415 | 939 | - | 33.3 | 232 | - | ||
| 662 | - | 34 | 42.2 | 422 | 214 | 
Heat treated : 1185°C - 1973°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| SAE NVl(1541) | SAE | USA | precipitation hardening | 
| SAE NV2(1547) | SAE | USA | precipitation hardening | 
| SAE NV3 | SAE | USA | precipitation hardening | 
| SAE NV4(3140) | SAE | USA | precipitation hardening | 
| SAE NV5(8645) | SAE | USA | precipitation hardening | 
| SAE NV6(5150) | SAE | USA | precipitation hardening | 
| SAE NV7(4140) | SAE | USA | precipitation hardening | 
| SAE NV8 | USA | precipitation hardening | |
| SAE NV9 | SAE | USA | precipitation hardening | 
| SAE HNVl | SAE | USA | precipitation hardening | 
| SAE HNV2 | SAE | USA | precipitation hardening | 
| SAE HNV3 | SAE | USA | precipitation hardening | 
| SAE HNV4 | SAE | USA | precipitation hardening | 
| SAE HNV5 | SAE | USA | precipitation hardening | 
| SAE HNV6 | SAE | USA | precipitation hardening | 
| SAE HNV7(71360) | SAE | USA | precipitation hardening | 
| SAE HNV8 | SAE | USA | precipitation hardening | 
| SAE EVl | SAE | USA | precipitation hardening | 
| SAE EV2 | SAE | USA | precipitation hardening | 
| SAE EV3 | SAE | USA | precipitation hardening | 
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