Steel 12ChN3A GOST 4543-71 vs Steel 12DN2FL GOST 977-88
Property comparison of Steel 12ChN3A GOST 4543-71 and Steel 12DN2FL GOST 977-88, both carbon steel.
| Property | Steel 12ChN3A GOST 4543-71 | Steel 12DN2FL GOST 977-88 | Difference |
|---|---|---|---|
| Yield strength | 700 MPa | 638 MPa | -9% |
| Tensile strength | 950 MPa | 785 MPa | -17% |
| Elongation | 11 % | 12 % | +9% |
| 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 | 7,850 kg/m³ | 7,820 kg/m³ | 0% |
| Thermal conductivity | 51.9 W/m·K | 51.9 W/m·K | 0% |
| Specific heat | 455 J/kg·K | 455 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 12DN2FL GOST 977-88 relative to Steel 12ChN3A GOST 4543-71. 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
- Improved
- standard
- GOST
- heat treatment
- Quenched and tempered
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