Lincoln W000400068 OP 10U Submerged Arc (SAW) Flux – 25 kg Bag (25 ?) Women's Jackets gas flow per sector and 1 16 in 36 gas flow per sector and pass) — a documentation infrastructure that manual TIG cannot replicate for code quality nuclear pipe work Versatile: Accommodates a variety of pipe sizes to meet diverse cutting needs After welding the slag detaches easily from the underside and the root of the weld exhibits a uniform profile For single sided welding OP 10U is spread as a very thin layer of a few millimetres in thickness in the central groove of a copper backing bar which is pressed against the underside of the weld joint