C55 Steel — Specifications & Listings
DIN 17200 — High-medium carbon steel
Grade Details
| Grade | C55 |
| Standard | DIN 17200 |
| Description | High-medium carbon steel |
| Applications | Springs, high strength shafts, cutting tools |
Equivalent / Similar Grades
Chemical Composition (%)
| C |
Si |
Mn |
S |
P |
| 0.52–0.60 |
0.15–0.35 |
0.50–0.80 |
≤0.040 |
≤0.040 |
Mechanical Properties
| Tensile Strength |
630–780 MPa |
| Yield Strength |
≥390 MPa |
| Elongation |
≥13% |
| Hardness |
179–235 HB |
Typical Available Sizes
| Round Bar |
10mm–150mm dia |
| Flat Bar |
16×5mm–150×30mm |
Sizes are indicative. Contact seller for exact availability.
Active C55 Listings on M-EX