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BS 070M55 vs BS 080M46
Property comparison of BS 070M55 and BS 080M46, both carbon steel.
| Property | BS 070M55 | BS 080M46 | Difference |
|---|---|---|---|
| Yield strength | 450 MPa | 340 MPa | -24% |
| Tensile strength | 775 MPa | 625 MPa | -19% |
| Elongation | 14 % | 16 % | +14% |
| 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 | 52.9 W/m·K | 55.5 W/m·K | +5% |
| Specific heat | 466 J/kg·K | 464 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 BS 080M46 relative to BS 070M55. 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 070M55
- standard
- BS
BS 080M46
- standard
- BS
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