St52 St44 Cold Drawn Seamless Steel Tube Liaocheng Rushun Import & Export Co., Ltd. Base Info Model NO.:st52 st44Type:SeamlessTechnique:Cold RolledMaterial:Carbon SteelSurface Treatment:OiledUsage:Machinery IndustrySection Shape:RoundTransport Package:Woven BagOrigin:China Description Pre:Aiyia Galvanized Steel Coil (DC54D+Z(St06Z) DC54D+ZF) Type: Punching Steel Next:Aiyia Galvanized/Galvalume Narrow Steel Strip Width 20mm-600mm Thickness 0.2mm-1.5mm