Grade A Lava vs. Graphite
Grade A lava belongs to the oxide-based engineering ceramics classification, while graphite belongs to the non-oxide engineering ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is grade A lava and the bottom bar is graphite.
Metric UnitsUS Customary Units
Material Properties
| Compressive (Crushing) Strength, MPa | 76 to 170 | |
| 90 |
| Density, g/cm3 | 2.3 to 2.5 | |
| 1.8 |
| Flexural Strength, MPa | 28 to 69 | |
| 80 |
| Maximum Temperature: Corrosion, °C | 1150 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 650 to 1130 | |
| 220 |
| Strength to Weight: Axial, points | 0.77 to 2.5 | |
| 2.9 |
| Strength to Weight: Bending, points | 3.2 to 7.3 | |
| 8.7 |
| Tensile Strength: Ultimate (UTS), MPa | 6.9 to 21 | |
| 18 |
| Thermal Conductivity, W/m-K | 2.0 | |
| 6.0 |
| Thermal Expansion, µm/m-K | 2.5 to 3.3 | |
| 4.9 |