1.main parameter of rolling materials : stainless steel tube,carbon steel,titanium and alloy tube outer diameter of tube blank 108-219mm wall thickness of tube blank 6-28mm length range 1500-6000mm outer diameter of finished products 100-180mm wall thickness of finished products 3-20m round trip length of operating frame 1000mm operating length of pass 860 mm round trip frequency of operating frame 25-55times/min feed-rate range of tube blank 3-8mm swing angle of roller 42? 5? diameter of roller 680mm swing angle of roller 308.46? power of main motor 450KW semidiameter of winch 500mm loading method side loading