Industrial Applications

Coidan Graphite Machining

Coidan Graphite Products supply graphite materials and component parts using the wide variety of materials and grades chosen to meet individual process requirements, the specialty graphite grades of the ‘Industrial Applications' segment are well placed to act as key carbon and graphite materials in the primary and secondary metallurgy sectors, tool, glass and ceramics manufacture, the electrochemical and nuclear industries, and also in laboratory and medical technology industries.

Aluminium industry

Coidan Graphite Impellors Graphite is used due to it's heat resistance, chemical resistant and non wettable properties when in contact with molten Aluminium.

Typical uses could be

  • Graphite shafts and graphite impellers are used in fixed and rotary purification and flux feeding systems for aluminium degassing and casting
  • Graphite plates and rolls for aluminium extrusion presses
  • Casting rings for hot top casting or for gas slip system
  • Graphite fluxing tubes.

Furnaces and high temperature applications

Coidan Graphite furnace element manufactureGraphite is used in all makes of vacuum furnaces for the heat treatment and processing of metallic and ceramic products, we can supply a range of heating elements, connectors, furnace hearths and bases, plus jigs, fixtures and – in fact we can supply the complete hot zone or a nut and bolt and a washer if that is all that is required. We often machine parts on a fast turnaround basis.



Chemical Applications

Coidan Graphite BlocksGraphite chemical resistance and high temperature stability lends itself to use in these corrosive applications as vessel linings, bricks, blocks, tiles, heat exchangers, columns, seals, wear plates and bearings among many other applications.






Coidan Graphite Graphite NozzlesWe manufacture chokes and rocket nozzles in graphite and carbon fibre composites.







High Temperature Takeout TongGraphite is used in most applications handling hot glass components

  • Container glass – take out tongs, dead plates, mould protectors, stacker bars
  • Flat Glass – furnace bases and side plates, tin pumps and insulation
  • Sculptural glass – mould and manipulation tongs
  • Fibre Glass – Graphite rollers for stretching the glass fibre
  • Optical fibre – susceptors and insulators for the stretcher furnaces


Coidan Graphite Boats and TraysWe manufacture graphite chills, launders, run outs, extrusion guides, bearings, seals, crucibles, heaters, boats, hot pressing dies, continuous casting dies, R&D test coupons, sample moulds, evaporator dishes and many more.






Coidan Graphite Diamond MouldWe manufacture graphite sintering moulds and dies, HIP moulds, bars , blocks and dies and supply raw blocks, cylinders and plates of graphite for customers to manufacture their own parts.





Continuous Casting

Continuous Casting DiesWe supply a range of con cast dies from flat die sections to round billet dies for a variety of materials and applications – please contact us with your con cast needs





Blocks and plates

In addition to the manufacture of fully machined parts we supply graphite as blocks, plates, rods, rounds, tubes in as manufactured finish, as sawn finish, milled finish or ground finish – in all grades of carbon and graphite, be that large grain electrode material, medium grain extruded graphite, fine grain isostatic graphite or ultra fine grained graphites for spark erosion finishing operations.

We supply a range of graphite grades in block form. Raw material sizes start from 50mm x 50mm cross section, to blocks as large as 650mm x 500mm x 1850mm. Larger blocks can be supplied on request.

Graphite blocks are available as fine, medium and coarse grained graphites:

Fine grained graphite blocks:

Medium grained
graphite blocks:

Coarse grained graphite blocks:

Fine grained isostatic graphite blocks manufactured by Ibiden are available fro stock. Our range of grades is extremely extensive. The standard blocks up to 300mm x 600mm x 1000mm with other sizes available upon request. Medium grained graphite blocks are available in sizes 400 x 400 x 1830, 500 x500 x1830, 610 x 610 x 1830 and 650 mm x 500mm x 1800 / 2100 mm. Larger sizes are available upon request – we can also cut the blocks down to more manageable sizes should you prefer. This is material cut from graphite electrodes – there are many instances where the coarser grained graphites are perfectly adequate for the application and they provide an economical solution for an ongoing consumables situation.


Coidan Graphite Sawn PartsCoidan Graphite Products Ltd can machine these grades using our extensive range of lathes, saws, grinders and machining centres. We use CAM systems with our CNC machinery providing rapid and accurate machined graphite components.






Please contact us with the size and quantity of graphite blocks required – for grade details please take the link below to our grades database where you can download the properties of the relevant grade of graphite

Grades Database 

Assorted Graphite Blocks




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Coidan Graphite Products Ltd, Kirk Hammerton, York. YO26 8DQ | 01423 330492 | |