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BS 070M26 vs BS 070M55
Property comparison of BS 070M26 and BS 070M55, both carbon steel.
| Property | BS 070M26 | BS 070M55 | Difference |
|---|---|---|---|
| Yield strength | 245 MPa | 450 MPa | +84% |
| Tensile strength | 490 MPa | 775 MPa | +58% |
| Elongation | 20 % | 14 % | -30% |
| 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 | 63.1 W/m·K | 52.9 W/m·K | -16% |
| Specific heat | 459 J/kg·K | 466 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 BS 070M55 relative to BS 070M26. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
BS 070M26
- standard
- BS
BS 070M55
- standard
- BS
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