... like machined tubes/barrel body,trunnions,shafts/journals,and refurbishment of existing rolls. Standard ANSI,ASTM,ASME,DIN,GB ... Certificate. Application: The various rolls/rollers are of good heat,corrosion,wear resistant properties,working at high temperature ... casting for cone/trunions, welding and machining and grinding. Material: High Nickel and high Chrome heat resistant alloys, Cobalt base alloys ...