... sleeve elbow,double bearing the bend, flange elbow, reducer elbow, tooth bend, stamping elbow inside andoutside screw, pushing elbow, socket elbow ... varnish,anti-rust oil,hot galvanized,3PE coating, epoxy coating.Radius of Curvature1D~6D WarrantyOne yearRemark Material: Stainless steel include:ASTM ... old customers work together to create a bright future! long radius elbow fitting