SUBMERGED ARC WELDING TORCH, METHOD FOR PERFORMING SUBMERGED ARC WELDING AND FOR ASSEMBLING A SUBMERGED ARC WELDING TORCH AND REPLACEABLE WELDING TIP

摘要

Method and systems that include a torch for submerged arc welding. The torch (300) includes a conductive body (306) having an elongated shape and an inner channel (316) crossing the body (306); an insulating layer (308) on the body (306) and configured to reduce a current passing through the insulating layer (308); an outer layer (310) provided around the insulating layer (308) and configured to provide wear resistance; and a welding tip (314) removably attached to the body (306) and configured to receive an electrode (318) that passes through the channel (316) of the body (306). A material of the insulating layer (308) is selected independent of a material of the outer layer (310) as a function of the insulating layer is to reduce current transfer from the body to the outer housing and a function of the outer housing is to provide wear resistance.