PROCEDE D'ASSEMBLAGE PAR SOUDURE DE TUBES A DES PLAQUES TUBULAIRES

摘要

This invention relates to the joining of tubes to tube sheets in alignment with bores through the latter. These bores are slightly larger in diameter than the outside diameters of the tubes. An annular filler insert is positioned adjacent the end of the bore in engagement with the end of the tube. When a non-consumable electrode arc weld is made, the insert melts and becomes united with the end of the tube and the tube sheet, the shape and size of the insert being such that the resulting join has a smooth crevice-free contour, between the tube and the tube sheet.