SAE 1045 Carbon Steel (Cold drawn) vs SAE 1046 Carbon Steel (Hot rolled)
Property comparison of SAE 1045 Carbon Steel (Cold drawn) and SAE 1046 Carbon Steel (Hot rolled), both carbon steel.
| Property | SAE 1045 Carbon Steel (Cold drawn) | SAE 1046 Carbon Steel (Hot rolled) | Difference |
|---|---|---|---|
| Yield strength | 530 MPa | 325 MPa | -39% |
| Tensile strength | 625 MPa | 585 MPa | -6% |
| Elongation | 12 % | 15 % | +25% |
| Elastic modulus | 200,000 MPa | 200,000 MPa | 0% |
| Shear modulus | 76,923 MPa | 76,923 MPa | 0% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,850 kg/m³ | 7,850 kg/m³ | 0% |
| Brinell hardness | 179 HB | 170 HB | -5% |
| Thermal conductivity | 55.9 W/m·K | 55.5 W/m·K | -1% |
| Specific heat | 464 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% |
| Reduction in area | 35 % | 40 % | +14% |
Difference is SAE 1046 Carbon Steel (Hot rolled) relative to SAE 1045 Carbon Steel (Cold drawn). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- 1045
- standard
- SAE
- heat treatment
- Cold drawn
- grade
- 1046
- standard
- SAE
- heat treatment
- Hot rolled
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