back up roll for hot and cold rolling mill
Productionofforgedsteelbackuprollsrangingfrom5to170tonnesfinished
weightLeadingsupplierofrollsforuseinferrousandnonferrousapplications;bothhotandcoldrolling.Typicalrollmaterialsare3%,4%and5%CrMoVsteels.Thesearedifferentiallyor
conventionallyhardenedandsuppliedintheturnedandfinishgroundcondition.Neckringsandbearingsleevescanbefittedwhererequired.Productionofbackuprollswithamaximumbarreldiameterof2.2metresand amaximumoveralllengthof20metrescanbeachieved.Tandemmillrollscanbeproduceduptoamaximumweightof60tonnes.Themaximumfinishedweightlimitforplatemillrollsis170tonnes.Tandemmillback-uprollcanbesuppliedwithbarrelhardnesslevelswithinthe
range55to75ShoreC.Surfacehardnessisconstantthroughouttheworking
lifeoftheroll.Platemillback-uprollcanbesuppliedwithbarrelhardnesslevelswithinthe
range50to55ShoreC.Surfacehardnessisconstantthroughouttheworking
lifeoftheroll.ThetemperedbainiticshellonSelastreatedtandemmillback-uprollsoffers
highwearresistancewiththepearliticcoregivingimprovedductility.
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