Steel 38Ch2MJuA GOST 4543-71 vs Steel 38ChA GOST 1577-93
Property comparison of Steel 38Ch2MJuA GOST 4543-71 and Steel 38ChA GOST 1577-93, both carbon steel.
| Property | Steel 38Ch2MJuA GOST 4543-71 | Steel 38ChA GOST 1577-93 | Difference |
|---|---|---|---|
| Yield strength | 835 MPa | 510 MPa | -39% |
| Tensile strength | 980 MPa | 825 MPa | -16% |
| Elongation | 14 % | 14 % | 0% |
| Elastic modulus | 206,000 MPa | 206,000 MPa | 0% |
| Shear modulus | 80,000 MPa | 80,000 MPa | 0% |
| Poisson ratio | 0.3 | 0.29 | -3% |
| Density | 7,860 kg/m³ | 7,860 kg/m³ | 0% |
| Thermal conductivity | 51.9 W/m·K | 51.9 W/m·K | 0% |
| Specific heat | 462 J/kg·K | 462 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 38ChA GOST 1577-93 relative to Steel 38Ch2MJuA 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
- —
- 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