Alumina Oxide Balls

Alumina oxide balls are resistant to most corrosive materials, however it is not recommended for environments containing hydrochloric and hydrofluoric acids or strong alkaline solutions. Alumina Oxide’s maximum useful temperature is 3180° F.


Compressive Strength 330,000 psi
Maximum Useful Temperature 3180°F
Thermal Conductivity 35.6 W/m °C (@ 20°C), 6.3W/m °C (@ 800°C)
Thermal Expansion 4.6 x 10 to the -6th power/°F
Electrical Resistivity >10 to the 14th power Ohm/cm (@25°C), 2.5 x 10 to the 6th power Ohm/cm (@900°C)
Young’s Modulus of Elasticity 54 x 10 to the 6th power psi
Hardness 1365 Vickers
Density .139 lbs/inch to the 3rd power


Other Ceramic Ball Types:

Ruby Sapphire Balls

Silicon Nitride Balls

Zirconia Balls

The information on this web site is intended for guidance only. Since we gathered technical data from various technical sources, the actual mechanical and physical properties will vary from one lot of material to the next. Therefore, we accept no liability for deficiencies or damages arising from the use of this data, and customers should determine the suitability of a material or product by conducting practical tests under realistic conditions.