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NF XC18 vs NF XC25
Property comparison of NF XC18 and NF XC25, both carbon steel.
| Property | NF XC18 | NF XC25 | Difference |
|---|---|---|---|
| Yield strength | 270 MPa | 305 MPa | +13% |
| Tensile strength | 440 MPa | 490 MPa | +11% |
| Elongation | 21 % | 20 % | -5% |
| 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 | 66.2 W/m·K | 63.5 W/m·K | -4% |
| Specific heat | 457 J/kg·K | 458 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 XC25 relative to NF XC18. 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 XC18
- standard
- NF
NF XC25
- standard
- NF
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