C40 Steel — Specifications & Listings
DIN 17200 — Medium carbon steel, widely used engineering grade
Grade Details
| Grade | C40 |
| Standard | DIN 17200 |
| Description | Medium carbon steel, widely used engineering grade |
| Applications | Shafts, gears, bolts, machine parts, agricultural equipment |
Equivalent / Similar Grades
Chemical Composition (%)
| C |
Si |
Mn |
S |
P |
| 0.37–0.43 |
0.15–0.35 |
0.50–0.80 |
≤0.040 |
≤0.040 |
Mechanical Properties
| Tensile Strength |
580–750 MPa |
| Yield Strength |
≥340 MPa |
| Elongation |
≥16% |
| Hardness |
170–217 HB |
Typical Available Sizes
| Round Bar |
10mm–250mm dia |
| Flat Bar |
16×5mm–200×50mm |
| Square Bar |
12mm–150mm |
| Hex Bar |
13mm–100mm A/F |
Sizes are indicative. Contact seller for exact availability.
Active C40 Listings on M-EX