... 20% higher than the roller made by medium carbon chromium molybdenum steel. The corrugating roll is made of special all steell,came ... technic,its life-span can reach18~20milliln meter.High-speed corrugating roll,maximum producing speed is 300m/min.Fing-less out ... .We are engaging in design,repair,manufacture all kinds of corrugating roll. Technical parameter:TypeACBCBDEFNum.34±238±246±250±286±294 ...