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Steel SAE 51431 vs Steel SAE 51440C
Property comparison of Steel SAE 51431 and Steel SAE 51440C, both carbon steel.
| Property | Steel SAE 51431 | Steel SAE 51440C | Difference |
|---|---|---|---|
| Yield strength | 1,069 MPa | 448 MPa | -58% |
| Tensile strength | 1,413 MPa | 758 MPa | -46% |
| Elongation | 15 % | 13 % | -13% |
| Elastic modulus | 200,000 MPa | 200,000 MPa | 0% |
| Shear modulus | 769,000 MPa | 769,000 MPa | 0% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 8,030 kg/m³ | 8,030 kg/m³ | 0% |
| Brinell hardness | 415 HB | 230 HB | -45% |
| Thermal conductivity | 51.9 W/m·K | 51.9 W/m·K | 0% |
| Specific heat | 463 J/kg·K | 463 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 Steel SAE 51440C relative to Steel SAE 51431. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
Steel SAE 51431
- standard
- ANSI
- heat treatment
- tempered at 400 F
Steel SAE 51440C
- standard
- ANSI
- heat treatment
- annealed
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