Underwater Wet Welding and Cutting

The proceedings of an international seminar organised by TWI in conjunction with the Paton Welding Institute, Ukraine and held at TWI Middlesbrough in April 1997. The delegates examined recent theoretical and practical developments of the materials, equipment and processes involved.

PWI activities in the field of underwater welding and cutting technologies; Study of physico-metallurgical peculiarities of wet arc welding of structural steels; Development of MMA electrodes for manual underwater welding in all spatial positions of steels; Special equipment of PWI design for underwater welding and cutting; Wet underwater welding trials with commercial MMA electrodes; Technological peculiarities of wet semi-automatic welding with flux-cored wire; The experience of practical application of the underwater semi-automatic welding with flux-cored wire; Study of peculiarities of underwater flux-cored wire arc cutting without additional supply of oxygen; Technology and experience of application of underwater flux-cored wire arc semi-automatic cutting; Underwater FCA wet welding.