Steel 30Ch GOST 4543-71 vs Steel 30ChGS GOST 4543-71
Property comparison of Steel 30Ch GOST 4543-71 and Steel 30ChGS GOST 4543-71, both carbon steel.
| Property | Steel 30Ch GOST 4543-71 | Steel 30ChGS GOST 4543-71 | Difference |
|---|---|---|---|
| Yield strength | 685 MPa | 835 MPa | +22% |
| Tensile strength | 880 MPa | 1,080 MPa | +23% |
| Elongation | 12 % | 10 % | -17% |
| Elastic modulus | 208,000 MPa | 213,000 MPa | +2% |
| Shear modulus | 80,000 MPa | 82,000 MPa | +3% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,820 kg/m³ | 7,850 kg/m³ | 0% |
| Brinell hardness | 187 HB | 229 HB | +22% |
| Thermal conductivity | 51.9 W/m·K | 51.9 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 30ChGS GOST 4543-71 relative to Steel 30Ch 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
- standard
- GOST
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