Steel 35ChM GOST 4543-71 vs Steel 35ChML GOST 977-88
Property comparison of Steel 35ChM GOST 4543-71 and Steel 35ChML GOST 977-88, both carbon steel.
| Property | Steel 35ChM GOST 4543-71 | Steel 35ChML GOST 977-88 | Difference |
|---|---|---|---|
| Yield strength | 850 MPa | 540 MPa | -36% |
| Tensile strength | 1,000 MPa | 687 MPa | -31% |
| Elastic modulus | 213,000 MPa | 205,000 MPa | -4% |
| Shear modulus | 82,000 MPa | 79,000 MPa | -4% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,820 kg/m³ | 7,840 kg/m³ | 0% |
| Thermal conductivity | 51.9 W/m·K | 51.9 W/m·K | 0% |
| Specific heat | 461 J/kg·K | 461 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 35ChML GOST 977-88 relative to Steel 35ChM 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
- heat treatment
- Quenching and cooling in the oil
- standard
- GOST
- heat treatment
- Quenched and tempered
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