Steel 15 GOST 1050-88 vs Steel 15Ch5 GOST 20072-74
Property comparison of Steel 15 GOST 1050-88 and Steel 15Ch5 GOST 20072-74, both carbon steel.
| Property | Steel 15 GOST 1050-88 | Steel 15Ch5 GOST 20072-74 | Difference |
|---|---|---|---|
| Yield strength | 340 MPa | 165 MPa | -51% |
| Tensile strength | 440 MPa | 390 MPa | -11% |
| Elongation | 8 % | 24 % | +200% |
| Elastic modulus | 201,000 MPa | 215,000 MPa | +7% |
| Shear modulus | 78,000 MPa | 83,000 MPa | +6% |
| Poisson ratio | 0.29 | 0.3 | +3% |
| Density | 7,850 kg/m³ | 7,630 kg/m³ | -3% |
| Brinell hardness | 197 HB | 217 HB | +10% |
| Thermal conductivity | 67.3 W/m·K | 51.9 W/m·K | -23% |
| Specific heat | 456 J/kg·K | 456 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 15Ch5 GOST 20072-74 relative to Steel 15 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
- Cold working
- standard
- GOST
- heat treatment
- —
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