Mixing mill roll

The Chilled iron roll widely used in the fields of plastics, metallurgy, textile and chemical industry The roll supplied as per standard HG/T 3108-1998 or equivalent standard of other countries, also providing the OEM service or produce as per customer’s drawing. Hardness & thickness of white layer Item Roll Diameter (mm) >250---400 >400—500 >500 Thickness (mm) 3---13 4---20 4--22 5---24 Shell hardness HS Normal steel roll 65---72 Alloy steel roll 68--75 Shaft neck Hardness HS Normal steel roll 26--36 Alloy steel roll 35---48 Tolerance on roll manufacturing place Diameter length Tolerance (mm) Max(mm) tolerance Max shell 3 +/-0.5 10 +/-1.0 Shaft neck 5 +/-0.5 10 +/-1.0 Application Test pressure(Mpa) Calendar 0.60 Open rubber mixer 1.25 Plastic 1.60 Chemical composition chart of roll Roll kind Mark Chemical composition C Si Mn P S Ni Cr Mo Cu steel roll LTG--P 3.2-3.8 0.3-0.9 0.2—0.6 <0.6 <0.12 -- -- -- -- 0.4-1 0.2—0.5- -- -- Alloy roll Ni&Cr alloy LTG-H -- --- 0.5--1 Cu&Cr alloy Mo&Cr alloy -- 0.2-0.5 - Tolerance on roll manufacturing place Diameter length Tolerance (mm) Max(mm) tolerance Max shell 3 +/-0.5 10 +/-1.0 Shaft neck 5 +/-0.5 10 +/-1.0