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DIN 38Cr4 vs DIN 41CrAlMo7
Property comparison of DIN 38Cr4 and DIN 41CrAlMo7, both carbon steel.
| Property | DIN 38Cr4 | DIN 41CrAlMo7 | Difference |
|---|---|---|---|
| Yield strength | 630 MPa | 735 MPa | +17% |
| Tensile strength | 830 MPa | 930 MPa | +12% |
| Elongation | 13 % | 12 % | -8% |
| 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 | 58.6 W/m·K | 57.4 W/m·K | -2% |
| Specific heat | 462 J/kg·K | 463 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 41CrAlMo7 relative to DIN 38Cr4. 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 38Cr4
- standard
- DIN
DIN 41CrAlMo7
- standard
- DIN
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