Steel 45FL GOST 977-88 vs Steel 45G2 GOST 4543-71
Property comparison of Steel 45FL GOST 977-88 and Steel 45G2 GOST 4543-71, both carbon steel.
| Property | Steel 45FL GOST 977-88 | Steel 45G2 GOST 4543-71 | Difference |
|---|---|---|---|
| Yield strength | 392 MPa | 700 MPa | +79% |
| Tensile strength | 589 MPa | 850 MPa | +44% |
| Elastic modulus | 200,000 MPa | 204,000 MPa | +2% |
| Shear modulus | 77,000 MPa | 79,000 MPa | +3% |
| Poisson ratio | 0.3 | 0.29 | -3% |
| Density | 7,820 kg/m³ | 7,810 kg/m³ | 0% |
| Thermal conductivity | 51.9 W/m·K | 55.9 W/m·K | +8% |
| Specific heat | 464 J/kg·K | 464 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 45G2 GOST 4543-71 relative to Steel 45FL 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
- Quenching and cooling in the oil
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators