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JIS SNCM630 vs JIS SNCM815
Property comparison of JIS SNCM630 and JIS SNCM815, both carbon steel.
| Property | JIS SNCM630 | JIS SNCM815 | Difference |
|---|---|---|---|
| Yield strength | 1,000 MPa | 800 MPa | -20% |
| Tensile strength | 1,200 MPa | 1,100 MPa | -8% |
| Elongation | 9 % | 9 % | 0% |
| Elastic modulus | 206,000 MPa | 206,000 MPa | 0% |
| Shear modulus | 80,000 MPa | 80,000 MPa | 0% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,860 kg/m³ | 7,860 kg/m³ | 0% |
| Thermal conductivity | 51.9 W/m·K | 51.9 W/m·K | 0% |
| Specific heat | 460 J/kg·K | 456 J/kg·K | -1% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000012 1/K | 0% |
| Melting point | 1,480 °C | 1,480 °C | 0% |
Difference is JIS SNCM815 relative to JIS SNCM630. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
JIS SNCM630
- standard
- JIS
JIS SNCM815
- standard
- JIS
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