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Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill. The diameter of roll barrel is 350~1400mm. The material of back-up roll includes 60CrMo, 9Cr2Mo, 86CrMoV7, 70Cr3Mo etc. The main types of mills: back-up roll of 650mm Mill, 900mm Mill, 1050mm Mill, 1250mm Mill, 1450mm Mill.
We cooperate closely with lots of mill design companies for the supply of 650mm Mill, 900mm Mill, 1050mm Mill, 1250mm Mill, 1450mm Mill. such as Xi’an Kairui, AT&M, CISDI, WISDRI, XHMRI etc.
Name
Type of material
Hardness
Hardness deviation
Back-up roll
60CrMo, 9Cr2Mo, 86CrMoV7, 70Cr3Mo
60~80HSD
2-3HSD
