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Steel SAE 1030 vs Steel SAE 1040
Property comparison of Steel SAE 1030 and Steel SAE 1040, both carbon steel.
| Property | Steel SAE 1030 | Steel SAE 1040 | Difference |
|---|---|---|---|
| Yield strength | 341 MPa | 414 MPa | +21% |
| Tensile strength | 464 MPa | 621 MPa | +34% |
| Elongation | 31 % | 25 % | -19% |
| Elastic modulus | 207,000 MPa | 207,000 MPa | 0% |
| Shear modulus | 79,000 MPa | 79,000 MPa | 0% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,860 kg/m³ | 7,860 kg/m³ | 0% |
| Brinell hardness | 126 HB | 201 HB | +60% |
| Thermal conductivity | 61.6 W/m·K | 57.8 W/m·K | -6% |
| Specific heat | 460 J/kg·K | 462 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 1040 relative to Steel SAE 1030. 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 1030
- standard
- ANSI
- heat treatment
- annealed
Steel SAE 1040
- standard
- ANSI
- heat treatment
- as-rolled
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