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Shale (Strong/Hard) vs Slate
Property comparison of Shale (Strong/Hard) and Slate, both stone.
| Property | Shale (Strong/Hard) | Slate | Difference |
|---|---|---|---|
| Tensile strength | 7 MPa | 15 MPa | +114% |
| Poisson ratio | 0.35 | 0.25 | -29% |
| Density | 2,600 kg/m³ | 2,770 kg/m³ | +7% |
| Thermal conductivity | 1.7 W/m·K | 2 W/m·K | +18% |
| Specific heat | 840 J/kg·K | 760 J/kg·K | -10% |
| Coefficient of thermal expansion | 0.000009 1/K | 0.000009 1/K | 0% |
Difference is Slate relative to Shale (Strong/Hard). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
Shale (Strong/Hard)
- standard
- ASTM D7012
Slate
- standard
- ASTM C629
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