Steel 25L GOST 977-88 vs Steel 30 GOST 1050-88
Property comparison of Steel 25L GOST 977-88 and Steel 30 GOST 1050-88, both carbon steel.
| Property | Steel 25L GOST 977-88 | Steel 30 GOST 1050-88 | Difference |
|---|---|---|---|
| Yield strength | 294 MPa | 290 MPa | -1% |
| Tensile strength | 491 MPa | 440 MPa | -10% |
| Elongation | 22 % | 17 % | -23% |
| Elastic modulus | 205,000 MPa | 200,000 MPa | -2% |
| Shear modulus | 79,000 MPa | 77,000 MPa | -3% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,830 kg/m³ | 7,850 kg/m³ | 0% |
| Thermal conductivity | 63.5 W/m·K | 61.6 W/m·K | -3% |
| Specific heat | 458 J/kg·K | 460 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 30 GOST 1050-88 relative to Steel 25L 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
- Annealing or high tempering
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