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Steel SAE 30304 vs Steel SAE 30309
Property comparison of Steel SAE 30304 and Steel SAE 30309, both carbon steel.
| Property | Steel SAE 30304 | Steel SAE 30309 | Difference |
|---|---|---|---|
| Yield strength | 241 MPa | 276 MPa | +15% |
| Tensile strength | 586 MPa | 621 MPa | +6% |
| Elongation | 55 % | 45 % | -18% |
| Elastic modulus | 193,000 MPa | 193,000 MPa | 0% |
| Shear modulus | 743,000 MPa | 743,000 MPa | 0% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 8,030 kg/m³ | 8,030 kg/m³ | 0% |
| Brinell hardness | 150 HB | 165 HB | +10% |
| Thermal conductivity | 51.9 W/m·K | 51.9 W/m·K | 0% |
| Specific heat | 460 J/kg·K | 460 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 30309 relative to Steel SAE 30304. 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 30304
- standard
- ANSI
- heat treatment
- annealed
Steel SAE 30309
- standard
- ANSI
- heat treatment
- annealed
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