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Metallurgy (Iron & Steel)

Iron Industry
High performance ductile iron castings, especially automotive safety-critical parts, represent the main portion of this market. Other parts include windmill nose cones, machine building, agriculture, earth moving, and railway components. In these demanding applications requiring high quality raw materials, our recarburiser, Desulco®, is recognized as the benchmark since its introduction in 1977. For applications able to tolerate slightly higher sulfur levels, Super-G™ has been developed.

Steel industry
Modern mini-mills achieve final metallurgical properties through ladle refining. Our ARK® Electrodes are utilized in ladle metallurgy furnaces around the world, and in foundries melting steel with electric arc furnaces. High quality recarburisers are utilized in plants producing high carbon steel grades where Desulco® provides a very cost effective alternative to degassing.

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Desulco® (Carbon Additive)

Desulco® (Carbon Additive)


Desulco®, since its introduction in 1977, has been recognized worldwide as the premier recarburiser for use in the production of ductile iron. Desulco® is produced with Superior Graphite's patented high temperature furnace technology. This continuous process purifies the raw material, selected low sulfur petroleum coke, at temperatures in excess of 2760ºC, resulting in the final product, Desulco®. Due to its extremely high purity, its particle morphology, and its graphitic crystalline structure, Desulco® is a unique type of carbon. The extremely low gas content of Desulco® makes it the preferred material for use as a late addition in the grey iron industry as well as in steel plants producing high carbon steel grades.
Super-G® (Carbon Additive)

Super-G™ (Carbon Additive)


Desulco®, formulated by Superior Graphite, is the purest form of carbon additive available on the market. The desulphurized coke was developed for the demanding needs of the ferrous metals industry.

When combined with calcined petroleum pitch coke, the resulting Super-G™ offers a carbon additive with a customized higher sulfer content. Super-G has been formulated to match sulfur levels of anthracite blends imported from China, while offering the benefits of Desulco, including reduced base iron sulfur, reduced slag, faster dissolution, higher carbon recovery and increased productivity.

Why choose Super-G over anthracite blends?
  • Consistent sizing between .212 mm and 9.5 mm
  • Contains a minimum of ...