.

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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