... reducers ;sprial welded steel pipe (SSAW),seamless steel pipe (SMLS) ,and LSAW pipe! The sizes: Pipe fittingType:elbows, reducers,tees, ... XXSFlangeType:welding neck flange, slip-on flange, blind flange,socket weld flange.lap-joint flange, threaded flange. ring ... flat face(FF); threadedForged fittingsType:Elbow, Tee, Union, Cross, Coupling, Cap, Bushing, Plug, Swage Nipple, Hexagon Nipple,Nipple, ...