Steel 30 GOST 1050-88 vs Steel 30 GOST 1577-93
Property comparison of Steel 30 GOST 1050-88 and Steel 30 GOST 1577-93, both carbon steel.
| Property | Steel 30 GOST 1050-88 | Steel 30 GOST 1577-93 | Difference |
|---|---|---|---|
| Yield strength | 290 MPa | 300 MPa | +3% |
| Tensile strength | 440 MPa | 575 MPa | +31% |
| Elongation | 17 % | 21 % | +24% |
| Elastic modulus | 200,000 MPa | 206,000 MPa | +3% |
| Shear modulus | 77,000 MPa | 80,000 MPa | +4% |
| Poisson ratio | 0.3 | 0.29 | -3% |
| Density | 7,850 kg/m³ | 7,860 kg/m³ | 0% |
| Brinell hardness | 179 HB | 179 HB | 0% |
| Thermal conductivity | 61.6 W/m·K | 61.6 W/m·K | 0% |
| Specific heat | 460 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 1577-93 relative to Steel 30 GOST 1050-88. 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
- Annealing or high tempering
- standard
- GOST
- heat treatment
- Quenched and tempered
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