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Steel SAE 1340 vs Steel SAE 30201
Property comparison of Steel SAE 1340 and Steel SAE 30201, both carbon steel.
| Property | Steel SAE 1340 | Steel SAE 30201 | Difference |
|---|---|---|---|
| Yield strength | 436 MPa | 758 MPa | +74% |
| Tensile strength | 703 MPa | 1,034 MPa | +47% |
| Elongation | 25.5 % | 10 % | -61% |
| Elastic modulus | 207,000 MPa | 193,000 MPa | -7% |
| Shear modulus | 79,000 MPa | 743,000 MPa | +841% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,860 kg/m³ | 8,030 kg/m³ | +2% |
| Thermal conductivity | 57.8 W/m·K | 51.9 W/m·K | -10% |
| Specific heat | 462 J/kg·K | 457 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% |
Difference is Steel SAE 30201 relative to Steel SAE 1340. 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 1340
- standard
- ANSI
- heat treatment
- annealed
Steel SAE 30201
- standard
- ANSI
- heat treatment
- 1/2-hard
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