What is a furnace welding? -Cold Drawn Seamless …
2020-1-8 · Furnace welding production of welded pipe is welded tube billet, the heating in the heating furnace to welding temperature 1300 ~ 1350 DHS C, and then through the pipe die and forming welding machine pressure forming and welding tube, furnace welding production of welded pipe size range ∅ 10 x 1.9 ~ 10 mm to 114 mm, mainly used for conveying water, gas pipe and heating pipes, also can be