Steel 20GNMFL GOST 977-88 vs Steel 25 GOST 1050-88
Property comparison of Steel 20GNMFL GOST 977-88 and Steel 25 GOST 1050-88, both carbon steel.
| Property | Steel 20GNMFL GOST 977-88 | Steel 25 GOST 1050-88 | Difference |
|---|---|---|---|
| Yield strength | 491 MPa | 270 MPa | -45% |
| Tensile strength | 589 MPa | 410 MPa | -30% |
| Elongation | 15 % | 19 % | +27% |
| Elastic modulus | 200,000 MPa | 198,000 MPa | -1% |
| Shear modulus | 77,000 MPa | 77,000 MPa | 0% |
| Poisson ratio | 0.3 | 0.29 | -3% |
| Density | 7,820 kg/m³ | 7,820 kg/m³ | 0% |
| Thermal conductivity | 65.4 W/m·K | 63.5 W/m·K | -3% |
| Specific heat | 457 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 25 GOST 1050-88 relative to Steel 20GNMFL 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
- normalized
- standard
- GOST
- heat treatment
- Annealing or high tempering
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