Shale (Strong/Hard) vs Volcanic Tuff (welded ash-flow)
Property comparison of Shale (Strong/Hard) and Volcanic Tuff (welded ash-flow), both stone.
| Property | Shale (Strong/Hard) | Volcanic Tuff (welded ash-flow) | Difference |
|---|---|---|---|
| Tensile strength | 7 MPa | 3 MPa | -57% |
| Poisson ratio | 0.35 | 0.25 | -29% |
| Density | 2,600 kg/m³ | 1,900 kg/m³ | -27% |
| Thermal conductivity | 1.7 W/m·K | 1 W/m·K | -41% |
| Specific heat | 840 J/kg·K | 840 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000009 1/K | 0.000008 1/K | -11% |
Difference is Volcanic Tuff (welded ash-flow) 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
- standard
- ASTM D7012
- standard
- ASTM D7012
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