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| Material | Standard | Country |
| SAE NVl(1541) | SAE | USA |
| SAE NV2(1547) | SAE | USA |
| SAE NV3 | SAE | USA |
| SAE NV4(3140) | SAE | USA |
| SAE NV5(8645) | SAE | USA |
| SAE NV6(5150) | SAE | USA |
| SAE NV8 | USA | |
| SAE NV9 | SAE | USA |
| SAE HNVl | SAE | USA |
| SAE HNV2 | SAE | USA |
| SAE HNV3 | SAE | USA |
| SAE HNV4 | SAE | USA |
| SAE HNV5 | SAE | USA |
| SAE HNV6 | SAE | USA |
| SAE HNV7(71360) | SAE | USA |
| SAE HNV8 | SAE | USA |
| SAE EVl | SAE | USA |
| SAE EV2 | SAE | USA |
| SAE EV3 | SAE | USA |
| SAE EV4 | SAE | USA |
| SAE EV5 | SAE | USA |
| SAE EV6 | SAE | USA |
| SAE EV7 | SAE | USA |
| SAE EV8 | SAE | USA |
| SAE EV9 | SAE | USA |
| SAE EVl0 | SAE | USA |
| SAE EVll | SAE | USA |
| SAE EVl2 | SAE | USA |
| SAE EVl3 | SAE | USA |
| SAE EVl4 | SAE | USA |
| SAE EVl5 | SAE | USA |
| SAE EVl6 | SAE | USA |
| SAE EVl7 | SAE | USA |
| SAE HEVl | SAE | USA |
| SAE HEV2 | SAE | USA |
| SAE HEV3 | SAE | USA |
| SAE HEV6 | SAE | USA |
| SAE HEV7 | SAE | USA |
| SAE HEV8 | SAE | USA |
| Tensile strength | 424～400 | σb/MPa |
| Yield Strength | 640 | σ 0.2 ≥/MPa |
| Elongation | 67 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 521～714 | - |
| HRC | 30 | - |
| Thermal expansion | 74-56 | e-6/K |
| Thermal conductivity | 87-76 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 4942-4421 | 째C |
| Density | 4178-3755 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| SAE NV7(4140) Special Alloy | Round Bar and Hollow Bar | Φ1 to Φ2000 |
| Square and Flat Steel | Φ10 to Φ100 | |
| Plate and Sheet | 0.08-800(Thickness)*10-1500(Width)*Length | |
| Tube or Pipe | OD:Φ4-410; WT:1-35 mm; Lenght:10-12000 | |
| Coil and Strip Steel | THK:0.1mm Width:1500mm | |
| Forged | Ring/Cylindrical/Disk |