S55C Steel — Specifications & Listings
JIS G4051 — Japanese high-medium carbon steel
Grade Details
| Grade | S55C |
| Standard | JIS G4051 |
| Description | Japanese high-medium carbon steel |
| Applications | Springs, gears, cutting tools, high strength shafts |
Equivalent / Similar Grades
Chemical Composition (%)
| C |
Si |
Mn |
S |
P |
| 0.52–0.58 |
0.15–0.35 |
0.60–0.90 |
≤0.035 |
≤0.030 |
Mechanical Properties
| Tensile Strength |
≥650 MPa |
| Yield Strength |
≥490 MPa |
| Elongation |
≥13% |
| Hardness |
≤192 HB |
Typical Available Sizes
| Round Bar |
10mm–150mm dia |
| Flat Bar |
16×5mm–150×30mm |
Sizes are indicative. Contact seller for exact availability.
Active S55C Listings on M-EX