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NF 51S7 vs NF A34-2
Property comparison of NF 51S7 and NF A34-2, both carbon steel.
| Property | NF 51S7 | NF A34-2 | Difference |
|---|---|---|---|
| Yield strength | 1,350 MPa | 155 MPa | -89% |
| Tensile strength | 1,500 MPa | 330 MPa | -78% |
| Elongation | 6 % | 27 % | +350% |
| 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 | 53.8 W/m·K | 66.5 W/m·K | +24% |
| Specific heat | 465 J/kg·K | 456 J/kg·K | -2% |
| 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 A34-2 relative to NF 51S7. 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 51S7
- standard
- NF
- heat treatment
- heat treated
NF A34-2
- standard
- NF
- heat treatment
- —
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