Steel S255 GOST 27772-88 vs Steel S285 GOST 27772-88
Property comparison of Steel S255 GOST 27772-88 and Steel S285 GOST 27772-88, both carbon steel.
| Property | Steel S255 GOST 27772-88 | Steel S285 GOST 27772-88 | Difference |
|---|---|---|---|
| Yield strength | 245 MPa | 265 MPa | +8% |
| Tensile strength | 370 MPa | 390 MPa | +5% |
| Elongation | 25 % | 23 % | -8% |
| Elastic modulus | 206,000 MPa | 206,000 MPa | 0% |
| Shear modulus | 80,000 MPa | 80,000 MPa | 0% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,860 kg/m³ | 7,860 kg/m³ | 0% |
| Thermal conductivity | 65.4 W/m·K | 65.4 W/m·K | 0% |
| Specific heat | 457 J/kg·K | 457 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 S285 GOST 27772-88 relative to Steel S255 GOST 27772-88. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
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- GOST
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