SUP10 Steel — Specifications & Listings
JIS G4801 — Japanese chrome vanadium spring steel
Grade Details
| Grade | SUP10 |
| Standard | JIS G4801 |
| Description | Japanese chrome vanadium spring steel |
| Applications | Valve springs, high stress coil springs, torsion springs |
Equivalent / Similar Grades
Chemical Composition (%)
| C |
Si |
Mn |
Cr |
V |
| 0.47–0.55 |
0.15–0.35 |
0.65–0.95 |
0.80–1.10 |
0.15–0.25 |
Mechanical Properties
| Tensile Strength |
≥1180 MPa |
| Yield Strength |
≥1030 MPa |
| Elongation |
≥7% |
| Hardness |
363–429 HB |
Typical Available Sizes
| Round Bar |
8mm–50mm dia |
| Wire |
1mm–10mm dia |
Sizes are indicative. Contact seller for exact availability.
Active SUP10 Listings on M-EX