... pipes, oil pipes, ERW pipes, seamless steel pipes,elbow,reducer,tee,caps,flange,tube etc.. TYPES: elbows ... pipes, ERW pipes, seamless steel pipes,elbow,reducer,tee,caps,flange,tube etc...1. Butt ... weld Elbow 45degree & 90degree Long Radius &Short Radius2. ... .All kinds of Flanges, welding neck , slip on , socket weld , threaded, lap joint, blind, spectacle, orifice, ...