JIS G4105 SCM430 Steel — Specifications & Listings
JIS G4105
Japanese chrome molybdenum steel, lower C than SCM440
Grade Details
| Grade | JIS G4105 SCM430 |
| Standard | JIS G4105 |
| Description | Japanese chrome molybdenum steel, lower C than SCM440 |
| Applications | High tensile bolts, pressure vessels, aircraft parts |
Equivalent / Similar Grades
Chemical Composition (%)
| C |
Si |
Mn |
Cr |
Mo |
| 0.28–0.33 |
0.15–0.35 |
0.60–0.90 |
0.90–1.20 |
0.15–0.30 |
Mechanical Properties
| Tensile Strength |
≥780 MPa |
| Yield Strength |
≥635 MPa |
| Elongation |
≥15% |
| Hardness |
229–293 HB |
Typical Available Sizes
| Round Bar |
16mm–200mm dia |
| Flat Bar |
20×8mm–150×40mm |
Sizes are indicative. Contact seller for exact availability.
Active JIS G4105 SCM430 Listings on M-EX