Patent ID: 8963047
Filing Date: 2015-02-24
Classification: B23K

Abstract:
1. A tubular cored electrode structured for producing fusing welded connection of parts of high-strength steels with a minimum yield point (RP0.2) of the weld metal of 690 N/mm2, comprising: a filler flux core; a metal tube with an outer coating and an outer diameter of less than 2 mm, which is cold formed to surround the filler flux core; and a metallic bond weld of the metal tube forms one of a tight fusion welded connection or a weld seam and extends in a longitudinal direction and has a weld penetration depth of less than 0.3 to 0.9 times a wall thickness of the metal tube to form a spacing between the welded connection or weld seam of the tube wall to the flux core, wherein the flux core comprises at least one of slag-forming agents and metal flux, including micro-alloying agents, and wherein the outer coating comprises a fluorocarbon polymer including polytetrafluoroethylene (PTFE) and carbon.