SAE 1547 Carbon Steel (Cold drawn) vs SAE 1548 Carbon Steel (Annealed, Cold drawn)
Property comparison of SAE 1547 Carbon Steel (Cold drawn) and SAE 1548 Carbon Steel (Annealed, Cold drawn), both carbon steel.
| Property | SAE 1547 Carbon Steel (Cold drawn) | SAE 1548 Carbon Steel (Annealed, Cold drawn) | Difference |
|---|---|---|---|
| Yield strength | 605 MPa | 540 MPa | -11% |
| Tensile strength | 710 MPa | 645 MPa | -9% |
| Elongation | 10 % | 10 % | 0% |
| 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 | 207 HB | 192 HB | -7% |
| Thermal conductivity | 55.1 W/m·K | 54.8 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 | 28 % | 35 % | +25% |
Difference is SAE 1548 Carbon Steel (Annealed, Cold drawn) relative to SAE 1547 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
- 1547
- standard
- SAE
- heat treatment
- Cold drawn
- grade
- 1548
- standard
- SAE
- heat treatment
- Annealed, Cold drawn
About AISI/SAE 15xx high-manganese carbon steels
15xx grades are plain-carbon steels with manganese above the standard 10xx range. The extra manganese improves hardenability and impact toughness over plain 10xx grades. Common applications are forgings, axles, and structural shapes where slightly better through-hardening is needed.
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