... steel (can do galvanized processing), stainless steel5.Cylinder surface manage: spray-paint, galvanized6.Characteristics: dustproof, heavy load, flexible rotation, stable and has ... powerOuter pipe materialDiameter DWall thickness tAxis dSurface manageCarbon steel603.520spray-paint, galvanized763.5,4.020893.5,4.0201084.020Note: steel pipe ...