... , oil pipes, ERW pipes, seamless steel pipes,elbow,reducer,tee,caps,flange,tube etc.. TYPES: elbows, seamless and welded ,L/R ... , oil pipes, ERW pipes, seamless steel pipes,elbow,reducer,tee,caps,flange,tube etc...1. Butt weld Elbow 45degree & 90degree Long ... Tees 3. Butt weld Concentric Reducers & Eccentric Reducers4. Butt weld End Caps from 1/2 inch to 72nch5. Butt weld Bend 2D ...