Steel 15Ch5VF GOST 20072-74 vs Steel 15L GOST 977-88
Property comparison of Steel 15Ch5VF GOST 20072-74 and Steel 15L GOST 977-88, both carbon steel.
| Property | Steel 15Ch5VF GOST 20072-74 | Steel 15L GOST 977-88 | Difference |
|---|---|---|---|
| Yield strength | 215 MPa | 196 MPa | -9% |
| Tensile strength | 390 MPa | 392 MPa | +1% |
| Elongation | 22 % | 24 % | +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 | 67.3 W/m·K | +30% |
| 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 15L GOST 977-88 relative to Steel 15Ch5VF GOST 20072-74. 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
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- standard
- GOST
- heat treatment
- normalized
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