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BS 230M07 vs BS 303S31
Property comparison of BS 230M07 and BS 303S31, both carbon steel.
| Property | BS 230M07 | BS 303S31 | Difference |
|---|---|---|---|
| Yield strength | 300 MPa | 190 MPa | -37% |
| Tensile strength | 430 MPa | 510 MPa | +19% |
| Elongation | 8 % | 40 % | +400% |
| 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 | 454 J/kg·K | 460 J/kg·K | +1% |
| 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 303S31 relative to BS 230M07. 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 230M07
- standard
- BS
BS 303S31
- standard
- BS
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