Description: Forged steel back-up roll is mainly used in 4 Hi and 6 Hi mills,The diameter of roll barrel can be 350mm-1600mm.The materials of back-up include 9Cr2Mo,86CrMoV7,70Cr3Mo and 45Cr5NiMoV etc., The main types of mills: back-up roll of 650mm Mill, 900mm Mill, 1050mm Mill, 1250mm Mill, 1450mm Mill. BIEC BACKUP ROLLS ARE USED IN 4 […]

Materials：carbon steel, alloy steel, stainless steel, super-alloy, aluminum alloy, titanium alloy Products：flange, tube, gear blank, slewing blank, casing and valve-related rings and shafts   Out-diameter: rang from 27 to 354 inches  Max weighing: 85000 pounds