Steel 25 GOST 1577-93 vs Steel 25Ch2GNMFL2 GOST 977-88
Property comparison of Steel 25 GOST 1577-93 and Steel 25Ch2GNMFL2 GOST 977-88, both carbon steel.
| Property | Steel 25 GOST 1577-93 | Steel 25Ch2GNMFL2 GOST 977-88 | Difference |
|---|---|---|---|
| Yield strength | 240 MPa | 1,079 MPa | +350% |
| Tensile strength | 495 MPa | 1,275 MPa | +158% |
| Elongation | 25 % | 5 % | -80% |
| Elastic modulus | 206,000 MPa | 200,000 MPa | -3% |
| Shear modulus | 80,000 MPa | 77,000 MPa | -4% |
| Poisson ratio | 0.29 | 0.3 | +3% |
| Density | 7,860 kg/m³ | 7,820 kg/m³ | -1% |
| 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 25Ch2GNMFL2 GOST 977-88 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
- Quenched and tempered
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