We are offering back up roll. 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
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