Steel 25 GOST 1577-93 vs Steel 25Ch1MF GOST 20072-74
Property comparison of Steel 25 GOST 1577-93 and Steel 25Ch1MF GOST 20072-74, both carbon steel.
| Property | Steel 25 GOST 1577-93 | Steel 25Ch1MF GOST 20072-74 | Difference |
|---|---|---|---|
| Yield strength | 220 MPa | 735 MPa | +234% |
| Tensile strength | 475 MPa | 880 MPa | +85% |
| Elongation | 23 % | 14 % | -39% |
| Elastic modulus | 206,000 MPa | 213,000 MPa | +3% |
| Shear modulus | 80,000 MPa | 82,000 MPa | +3% |
| Poisson ratio | 0.29 | 0.3 | +3% |
| Density | 7,860 kg/m³ | 7,840 kg/m³ | 0% |
| Brinell hardness | 170 HB | 229 HB | +35% |
| Thermal conductivity | 63.5 W/m·K | 51.9 W/m·K | -18% |
| Specific heat | 458 J/kg·K | 458 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 25Ch1MF GOST 20072-74 relative to Steel 25 GOST 1577-93. 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
- GOST
- heat treatment
- normalized
- standard
- GOST
- heat treatment
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