SUJ2 Steel — Specifications & Listings
JIS G4805 — Japanese bearing steel, high carbon chromium
Grade Details
| Grade | SUJ2 |
| Standard | JIS G4805 |
| Description | Japanese bearing steel, high carbon chromium |
| Applications | Ball bearings, roller bearings, bearing races, precision rolls |
Equivalent / Similar Grades
Chemical Composition (%)
| C |
Si |
Mn |
Cr |
S |
P |
| 0.95–1.10 |
0.15–0.35 |
≤0.50 |
1.30–1.60 |
≤0.025 |
≤0.025 |
Mechanical Properties
| Tensile Strength |
≥650 MPa (annealed) |
| Hardness HRC |
60–64 (hardened) |
| Hardness HB |
183–229 (annealed) |
Typical Available Sizes
| Round Bar |
6mm–150mm dia |
| Flat Bar |
15×5mm–100×25mm |
Sizes are indicative. Contact seller for exact availability.
Active SUJ2 Listings on M-EX