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Steel SAE 30348 vs Steel SAE 4037
Property comparison of Steel SAE 30348 and Steel SAE 4037, both carbon steel.
| Property | Steel SAE 30348 | Steel SAE 4037 | Difference |
|---|---|---|---|
| Yield strength | 241 MPa | 758 MPa | +215% |
| Tensile strength | 634 MPa | 1,027 MPa | +62% |
| Elongation | 50 % | 6 % | -88% |
| Elastic modulus | 193,000 MPa | 207,000 MPa | +7% |
| Shear modulus | 743,000 MPa | 79,000 MPa | -89% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 8,030 kg/m³ | 7,860 kg/m³ | -2% |
| Brinell hardness | 160 HB | 310 HB | +94% |
| Thermal conductivity | 51.9 W/m·K | 58.9 W/m·K | +13% |
| Specific heat | 461 J/kg·K | 462 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 4037 relative to Steel SAE 30348. 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 30348
- standard
- ANSI
- heat treatment
- annealed
Steel SAE 4037
- standard
- ANSI
- heat treatment
- tempered at 400 F
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