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BS 905M39 vs BS CEW3BK
Property comparison of BS 905M39 and BS CEW3BK, both carbon steel.
| Property | BS 905M39 | BS CEW3BK | Difference |
|---|---|---|---|
| Yield strength | 570 MPa | 360 MPa | -37% |
| Tensile strength | 775 MPa | 450 MPa | -42% |
| Elongation | 15 % | 6 % | -60% |
| 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 | 70 W/m·K | +35% |
| Specific heat | 462 J/kg·K | 454 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 CEW3BK relative to BS 905M39. 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 905M39
- standard
- BS
- heat treatment
- nitrided
BS CEW3BK
- standard
- BS
- heat treatment
- —
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