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NF 30CD12 vs NF 34CD4
Property comparison of NF 30CD12 and NF 34CD4, both carbon steel.
| Property | NF 30CD12 | NF 34CD4 | Difference |
|---|---|---|---|
| Yield strength | 770 MPa | 700 MPa | -9% |
| Tensile strength | 980 MPa | 880 MPa | -10% |
| Elongation | 11 % | 12 % | +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 | 51.9 W/m·K | 51.9 W/m·K | 0% |
| 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 NF 34CD4 relative to NF 30CD12. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
NF 30CD12
- standard
- NF
- heat treatment
- nitrided
NF 34CD4
- standard
- NF
- heat treatment
- —
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