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DIN 25CrMo4 vs DIN 30CrNiMo8
Property comparison of DIN 25CrMo4 and DIN 30CrNiMo8, both carbon steel.
| Property | DIN 25CrMo4 | DIN 30CrNiMo8 | Difference |
|---|---|---|---|
| Yield strength | 600 MPa | 1,050 MPa | +75% |
| Tensile strength | 800 MPa | 1,250 MPa | +56% |
| Elongation | 14 % | 9 % | -36% |
| 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 30CrNiMo8 relative to DIN 25CrMo4. 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 25CrMo4
- standard
- DIN
DIN 30CrNiMo8
- standard
- DIN
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