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DIN 55Cr3 vs DIN 9SMn28
Property comparison of DIN 55Cr3 and DIN 9SMn28, both carbon steel.
| Property | DIN 55Cr3 | DIN 9SMn28 | Difference |
|---|---|---|---|
| Yield strength | 1,270 MPa | 375 MPa | -70% |
| Tensile strength | 1,450 MPa | 460 MPa | -68% |
| Elongation | 6 % | 8 % | +33% |
| Elastic modulus | 206,000 MPa | 206,000 MPa | 0% |
| Shear modulus | 80,000 MPa | 80,000 MPa | 0% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,860 kg/m³ | 7,860 kg/m³ | 0% |
| Thermal conductivity | 52.9 W/m·K | 69.6 W/m·K | +32% |
| Specific heat | 466 J/kg·K | 454 J/kg·K | -3% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000012 1/K | 0% |
| Melting point | 1,480 °C | 1,480 °C | 0% |
Difference is DIN 9SMn28 relative to DIN 55Cr3. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
DIN 55Cr3
- standard
- DIN
- heat treatment
- heat treated
DIN 9SMn28
- standard
- DIN
- heat treatment
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