... fittings,elbow,tee,reducer,cap,bend,crossWe supply carbon steel pipe fittings of different standards.STANDARDS: ... allowing a change of direction,usually these carbon steel elbows distinguished by connection ends, The ... welding , threaded , or socketed , so the carbon steel elbows are consist of butt weld,thread ... are tees with the same inlet and outlet sizes, but 'reducing' tees are available as well ...