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DIN 31CrMo12 vs DIN 34CrNiMo6
Property comparison of DIN 31CrMo12 and DIN 34CrNiMo6, both carbon steel.
| Property | DIN 31CrMo12 | DIN 34CrNiMo6 | Difference |
|---|---|---|---|
| Yield strength | 750 MPa | 900 MPa | +20% |
| Tensile strength | 1,000 MPa | 1,100 MPa | +10% |
| Elongation | 11 % | 10 % | -9% |
| 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 | 61.2 W/m·K | 60.1 W/m·K | -2% |
| Specific heat | 460 J/kg·K | 461 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 34CrNiMo6 relative to DIN 31CrMo12. 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 31CrMo12
- standard
- DIN
DIN 34CrNiMo6
- standard
- DIN
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