Steel SAE 9255 vs Steel ST3CP GOST 380-94
Property comparison of Steel SAE 9255 and Steel ST3CP GOST 380-94, both carbon steel.
| Property | Steel SAE 9255 | Steel ST3CP GOST 380-94 | Difference |
|---|---|---|---|
| Yield strength | 2,048 MPa | 255 MPa | -88% |
| Tensile strength | 2,103 MPa | 380 MPa | -82% |
| Elongation | 1 % | 26 % | +2500% |
| Elastic modulus | 207,000 MPa | 201,000 MPa | -3% |
| Shear modulus | 79,000 MPa | 78,000 MPa | -1% |
| Poisson ratio | 0.3 | 0.29 | -3% |
| Density | 7,860 kg/m³ | 7,856 kg/m³ | 0% |
| Thermal conductivity | 51.9 W/m·K | 65.4 W/m·K | +26% |
| Specific heat | 466 J/kg·K | 457 J/kg·K | -2% |
| 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 ST3CP GOST 380-94 relative to Steel SAE 9255. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ANSI
- heat treatment
- tempered at 400 F
- standard
- GOST
- heat treatment
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