AISI 7140 Steel — Specifications & Listings
SAE/AISI — Aluminium chrome molybdenum nitriding steel
Grade Details
| Grade | AISI 7140 |
| Standard | SAE/AISI |
| Description | Aluminium chrome molybdenum nitriding steel |
| Applications | Nitrided gears, crankshafts, cylinder liners |
Equivalent / Similar Grades
Chemical Composition (%)
| C |
Mn |
Cr |
Mo |
Al |
| 0.38–0.45 |
0.50–0.70 |
1.40–1.80 |
0.30–0.45 |
0.85–1.20 |
Mechanical Properties
| Tensile Strength |
900–1050 MPa |
| Surface Hardness HV |
≥900 (nitrided) |
Typical Available Sizes
Sizes are indicative. Contact seller for exact availability.
Active AISI 7140 Listings on M-EX