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DIN Ck25 vs DIN Ck30
Property comparison of DIN Ck25 and DIN Ck30, both carbon steel.
| Property | DIN Ck25 | DIN Ck30 | Difference |
|---|---|---|---|
| Yield strength | 320 MPa | 350 MPa | +9% |
| Tensile strength | 500 MPa | 550 MPa | +10% |
| Elongation | 21 % | 20 % | -5% |
| 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 | 63.5 W/m·K | 61.6 W/m·K | -3% |
| Specific heat | 458 J/kg·K | 460 J/kg·K | 0% |
| 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 Ck30 relative to DIN Ck25. 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 Ck25
- standard
- DIN
DIN Ck30
- standard
- DIN
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