Steel 25 GOST 1050-88 vs Steel 25Ch1MF GOST 20072-74
Property comparison of Steel 25 GOST 1050-88 and Steel 25Ch1MF GOST 20072-74, both carbon steel.
| Property | Steel 25 GOST 1050-88 | Steel 25Ch1MF GOST 20072-74 | Difference |
|---|---|---|---|
| Yield strength | 350 MPa | 665 MPa | +90% |
| Tensile strength | 550 MPa | 780 MPa | +42% |
| Elastic modulus | 198,000 MPa | 213,000 MPa | +8% |
| Shear modulus | 77,000 MPa | 82,000 MPa | +6% |
| Poisson ratio | 0.29 | 0.3 | +3% |
| Density | 7,820 kg/m³ | 7,840 kg/m³ | 0% |
| Thermal conductivity | 63.5 W/m·K | 51.9 W/m·K | -18% |
| Specific heat | 458 J/kg·K | 458 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 25Ch1MF GOST 20072-74 relative to Steel 25 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
- case-hardened
- standard
- GOST
- heat treatment
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