High resistance to attack by sulphur. Resists carburisation at temperature. Very little scaling reduces furnace contamination. Better heat transfer than ceramic.
Basic Composition: Cr 22%, Al 4-6%, Fe Balance.
Temperature Limits: 1300 ° C
Density: 7.1 g/cm³
Coefficient of Expansion: 12 rising to 16 x10-6 / ° C
Thermal Conductivity: 12 rising to 32 W/m ° C