Andesite (volcanic intermediate) vs Chalk (soft calcareous)
Property comparison of Andesite (volcanic intermediate) and Chalk (soft calcareous), both stone.
| Property | Andesite (volcanic intermediate) | Chalk (soft calcareous) | Difference |
|---|---|---|---|
| Tensile strength | 15 MPa | 1 MPa | -93% |
| Poisson ratio | 0.22 | 0.3 | +36% |
| Density | 2,600 kg/m³ | 1,800 kg/m³ | -31% |
| Thermal conductivity | 2 W/m·K | 1.2 W/m·K | -40% |
| Specific heat | 880 J/kg·K | 840 J/kg·K | -5% |
| Coefficient of thermal expansion | 0.000007 1/K | 0.000012 1/K | +71% |
Difference is Chalk (soft calcareous) relative to Andesite (volcanic intermediate). 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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