Skip to main content


Industries involved with processing molten liquids, in particular metals such as Iron, Aluminium, Copper and Precious metals and glass, use casting and metal treatment techniques that require the use of Graphite materials resistant to attack by the molten liquid. These Graphite materials must also not affect the final composition of the cast metal or deposit any hard particles in the melt that could cause problems during any subsequent post machining operations.
Continuous casting operations demand the use of Graphite for a number of reasons including:

  1. A resistance to wetting by the molten metal
  2. Efficient heat removal
  3. Excellent thermal shock resistance

For processing aluminium alloys during such operations as degassing, Graphite shafts and rotors are ideal for the same reasons. Extended life is available with GRAPHOX treated Graphite. Tokai uses a post-machining technique that ensures the Graphite parts are completely impregnated during the process.

The materials and grades recommended by Tokai Carbon for these applications are shown in the table below:

Application Extruded/Moulded Graphite Isotropic Graphite C/C Composite
Continuous Casting
Grey Iron G330, G347
Ductile Iron G330, G348
Brasses G347, G348, G458
Bronzes G330, G348
Copper Nickel G348
Nickel Silver G348
Precious Metals G347, G348
Zinc G347
Aluminium Billet and Slab G330, G347
General Applications
Aluminium Degassing EE250G
Molten Metal Pumps EE250G
Extrusion Run Out Tables FE250
Furnace Heating Elements FE250 G330 CF222, CF226
Furnace Furniture EE250 G347 CF226, CF227
Furnace Linings CF226/2, CF227/2
Boats FE250 G330
Sinter Trays EE250 G347 CF226, CF227
Crucibles G140 G348
Large Crucibles G530

G = Graphox