LG450-H cold rolling mill Technical parameter of product 1.outer diameter of rough tube:250-480mm 2.wall thickness of rough tube:10-35mm 3.length of rough tube:less than 10000mm 4.outer diameter of finished products:219-450mm 5.wall thickness of finished products:6-28mm Technical parameter of machine 1.diameter of roller:1128/928mm 2.round trip length of operating frame:1208mm 3.round trip frequency of operating frame:20-50times/minute 4.feeding amount:2-12mm(single feeding) 5.swing angle of rough tube:41-52 degree(double turning) 6.material loading method:Side loading 7.continuous rolling:No 8.rolling lines:single 9.Power of main motor:DC motor 950KW