Steel 30L GOST 977-88 vs Steel 33ChS GOST 4543-71
Property comparison of Steel 30L GOST 977-88 and Steel 33ChS GOST 4543-71, both carbon steel.
| Property | Steel 30L GOST 977-88 | Steel 33ChS GOST 4543-71 | Difference |
|---|---|---|---|
| Yield strength | 255 MPa | 700 MPa | +175% |
| Tensile strength | 471 MPa | 900 MPa | +91% |
| Elastic modulus | 210,000 MPa | 214,000 MPa | +2% |
| Shear modulus | 81,000 MPa | 83,000 MPa | +2% |
| Poisson ratio | 0.3 | 0.29 | -3% |
| Density | 7,810 kg/m³ | 7,640 kg/m³ | -2% |
| Thermal conductivity | 61.6 W/m·K | 51.9 W/m·K | -16% |
| Specific heat | 460 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 33ChS GOST 4543-71 relative to Steel 30L GOST 977-88. 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
- normalized
- standard
- GOST
- heat treatment
- Quenching and cooling in the oil
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