Butt Weld Fittings & Tube OD Fittings We are”proud”to promote ourselves as a USA Manufacturer utilizing domestic sources as our first line of supply.Butt Weld Pipe Fittings & Weld Tube OD Fitting Categories ELBOWSView ELBOWS TEES & CROSSESVIEW TEES & CROSSES REDUCERSView REDUCERS