Steel 15Ch5VF GOST 20072-74 vs Steel 18Ch3MV GOST 20072-74
Property comparison of Steel 15Ch5VF GOST 20072-74 and Steel 18Ch3MV GOST 20072-74, both carbon steel.
| Property | Steel 15Ch5VF GOST 20072-74 | Steel 18Ch3MV GOST 20072-74 | Difference |
|---|---|---|---|
| Yield strength | 215 MPa | 440 MPa | +105% |
| Tensile strength | 390 MPa | 640 MPa | +64% |
| Elongation | 22 % | 18 % | -18% |
| 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 | 7,850 kg/m³ | 0% |
| Brinell hardness | 217 HB | 270 HB | +24% |
| Thermal conductivity | 51.9 W/m·K | 51.9 W/m·K | 0% |
| Specific heat | 456 J/kg·K | 457 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 18Ch3MV GOST 20072-74 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
- standard
- GOST
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