Industrial Ceramics offers Tubes for Induction Heating Equipment. Industrial Ceramics supplies technical ceramics. Tubes for Induction Heating Equipment are used extensively for heating of rods billets for forging application. Tubes for Induction Heating Equipment consist of metallic rods passing through the core of spiral induction coil housed in refractory cast able. The outer diameter of the tube is 35 mm OD to 200 mm OD. The length of the tube is up to 2000 mm.