Pock surface Furnace roll:
The material:nicochrome, Cr25Ni20,Alloy steel,heat resistant steel, or according to requirement

 Hearth roll/Furnace roll:

1.  The material:nicochrome, Cr25Ni20,Alloy steel,heat resistant steel, or according to requirement
2.  The specification:OD100-OD2000mm
3.  Process:centrifugal casting(roll body),forging(shaft),Static casting(Cone)

4. The company adopts the advanced pull-boring machine to bore pipes inner hole,pull-boring machine use three center frame fixed blank pipe section,boring knife cut equal thickness in accordance with tube inner wall. 

5.  After processing the entire cast pipe wall thickness different is less than 0.3mm and the wall finish degree is not less than 3.2μm.