Steel 25Ch2GNMFL2 GOST 977-88 vs Steel 27Ch5GSML GOST 977-88
Property comparison of Steel 25Ch2GNMFL2 GOST 977-88 and Steel 27Ch5GSML GOST 977-88, both carbon steel.
| Property | Steel 25Ch2GNMFL2 GOST 977-88 | Steel 27Ch5GSML GOST 977-88 | Difference |
|---|---|---|---|
| Yield strength | 1,079 MPa | 1,177 MPa | +9% |
| Tensile strength | 1,275 MPa | 1,472 MPa | +15% |
| Elongation | 5 % | 5 % | 0% |
| Elastic modulus | 200,000 MPa | 200,000 MPa | 0% |
| Shear modulus | 77,000 MPa | 77,000 MPa | 0% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,820 kg/m³ | 7,820 kg/m³ | 0% |
| Thermal conductivity | 51.9 W/m·K | 51.9 W/m·K | 0% |
| Specific heat | 458 J/kg·K | 459 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 27Ch5GSML GOST 977-88 relative to Steel 25Ch2GNMFL2 GOST 977-88. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- GOST
- heat treatment
- Quenched and tempered
- standard
- GOST
- heat treatment
- Quenched and tempered
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