SAE 5140 Carbon Steel (Normalized at 870 °C (1600 °F)) vs SAE 5150 Carbon Steel (Normalized at 870 °C (1600 °F))
Property comparison of SAE 5140 Carbon Steel (Normalized at 870 °C (1600 °F)) and SAE 5150 Carbon Steel (Normalized at 870 °C (1600 °F)), both carbon steel.
| Property | SAE 5140 Carbon Steel (Normalized at 870 °C (1600 °F)) | SAE 5150 Carbon Steel (Normalized at 870 °C (1600 °F)) | Difference |
|---|---|---|---|
| Yield strength | 470 MPa | 530 MPa | +13% |
| Tensile strength | 793 MPa | 869 MPa | +10% |
| Elongation | 22.7 % | 20.7 % | -9% |
| 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 | 229 HB | 255 HB | +11% |
| Thermal conductivity | 51.9 W/m·K | 51.9 W/m·K | 0% |
| Specific heat | 462 J/kg·K | 465 J/kg·K | +1% |
| 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 | 59.2 % | 58.7 % | -1% |
Difference is SAE 5150 Carbon Steel (Normalized at 870 °C (1600 °F)) relative to SAE 5140 Carbon Steel (Normalized at 870 °C (1600 °F)). 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
- 5140
- standard
- SAE
- heat treatment
- Normalized at 870 °C (1600 °F)
- grade
- 5150
- standard
- SAE
- heat treatment
- Normalized at 870 °C (1600 °F)
About AISI/SAE 51xx chromium steels
51xx grades are chromium spring and bearing steels. 5160 is the standard for leaf springs and torsion bars; 52100 (often classed alongside) is the bearing-grade cousin used for races and balls.
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