... customers'drawing, requirements and material. Hearth roll/Furnace roll:Furnace roll for continuous annealing line (CAL) and continuous galvanizing line(CGL). The material:nicochrome, Cr25Ni20 ... body), forging(shaft),Static casting(Cone)Furnace roll is designed for a variety of furnace, annealing furnace, heating furnace, galvanized wire and so on. Dynamic Balance ...