Kaida Sendzimir Rolls aka. Cluster mill rolls,Website:http://www.kdroll.com, diameter ranges from 20mm to 340mm, maximum length of which can reach up to 2800mm. The categories of sendzimir rolls are composed of following:Work roll1st Intermediate Roll2nd Intermediate RollFor Work Roll, we Kaida Roll suggest following material:MATERIAL : M1 (AISI M1, DIN-1.3346)1. Chemical Composition：Chemical Composition, wt%CSiMnPSCrMoWVNi+CuCo0.78-0.880.2-0.50.15-0.40.03max0.005max3.5-4.08.2-9.21.4-2.11-1.350.75max0.06maxMATERIAL : M2 (AISI M2, DIN-1.3343)1. Chemical Composition：Chemical Composition, wt%CSiMnPSCrMoWVNi+Cu0.78-0.880.2-0.450.15-0.40.03max0.03max3.75-4.54.5-5.55.5-6.71.75-2.20.75MATERIAL : M7 (AISI M7, DIN-1.3348)1. Chemical Composition：Chemical Composition, wt%CSiMnPSCrMoWV0.97-1.050.2-0.550.15-0.40.03max0.005max3.5-4.08.2-9.21.4-2.11.75-2.25MATERIAL : M42 (AISI M42, DIN-1.3247)1. Chemical Composition：Chemical Composition, wt%CSiMnPSCrMoWVCo1.05-1.150.15-0.650.15-0.40.03max0.005max3.5-4.259-100.95-1.351-1.350.75max
