SCM440 Steel — Specifications & Listings
JIS G4105 — Japanese standard chrome molybdenum alloy steel
Grade Details
| Grade | SCM440 |
| Standard | JIS G4105 |
| Description | Japanese standard chrome molybdenum alloy steel |
| Applications | Automotive parts, gears, shafts, bolts, dies |
Equivalent / Similar Grades
Chemical Composition (%)
| C |
Si |
Mn |
Cr |
Mo |
S |
P |
| 0.38–0.43 |
0.15–0.35 |
0.60–0.90 |
0.90–1.20 |
0.15–0.30 |
≤0.030 |
≤0.030 |
Mechanical Properties
| Tensile Strength |
≥930 MPa |
| Yield Strength |
≥785 MPa |
| Elongation |
≥12% |
| Hardness |
269–331 HB |
Typical Available Sizes
| Round Bar |
16mm–300mm dia |
| Flat Bar |
20×8mm–200×60mm |
| Hex Bar |
19mm–75mm A/F |
Sizes are indicative. Contact seller for exact availability.
Active SCM440 Listings on M-EX