In electric-arc welding, the term electrode refers to the component that conducts the current from the elec-trode holder to the metal being welded. Electrodes are 3-4. An arc welding rod is a thin metal rod coated in a material called "flux." This material is melted as the rod burns away, giving off a gas that protects the newly welded area from the effects of extreme heat and oxidization. The flux also helps to keep the arc perform smoothly, reducing sticking. PROPERTIES OF ELECTRODES, SHIELDING GAS AND FLUX •Consumable electrodes materials are selected such that finished weld metal should have similar mechanical properties that of base metal with no defects, Consumable Electrodes contains de-oxidising metals (Si, Mn, Ti, Al) and de-nitriding metals (zirconium) in small percentages to prevent entrapment of oxygen and nitrogen in the weld, reducing the of arc welding contents introduction and fundamentals designing for arc welding variables in welding fabrication consumables and machinery welding processes r welding carbon and low-alloy steel welding stainless steel welding cast iron and cast steel i welding aluminum and aluminum alloys welding copper and copper alloys quality control SMAW is a welding process that uses a flux covered metal electrode to carry an electrical current. The current forms an arc that jumps a gap from the end of the electrode to the work. The electric arc creates enough heat to melt both the electrode and the base material(s). Molten metal from the electrode travels across Download PDF - The Procedure Handbook Of Arc Welding [yl4w4zzmv7qr]. In submerged arc welding, it is a process in which continuously fed electrode and a blanket of fusible fluxes become conductive when melted and providing a current path between the part and the electrode.This flux also helps to prevent splatter and sparks while suppressing fumes and ultraviolet radiation. #4 Electro-slag Welding. The electro-slag welding is applied as a vertical process, to Manual Metal Arc Welding Revision 2.0 September 2014 1.0 MMA Welding for Pipefitting 1.2 Manual Metal Arc Welding Process Arc welding processes uses an electrical power supply to create and maintain an electric arc between an electrode and the base material to melt metals at the welding point. What are the four steps to setting up a gas tungsten arc welding outfit? Answer: 1)visually inspect the outfit; 2) assemble the torch and insert the electrode; 3) set the regulator and flow meter; 4) insert the filler metal. 6. Touch starting can sometimes contaminate the electrode and cause the arc to jump and flow of hardfacing by fusion welding Founded in 1966, the WELDING ALLOYS Group has developed over the years as a manufacturer of cored wires for welding and hardfacing. Its know-how and the technology that it has created have allowed it to become a specialist in hardfacing solutions using semi- or fully automatic continuous arc welding processes. Plasma arc welding is an arc welding process using heat produced by a compressed arc between a tungsten non-consumable electrode and another workpiece (transferred arc process) or water-cooled constricting nozzle (non-transferred arc process).. The plasma is a gaseous mixture of positive ions, electrons, and neutral gas molecules. The transferred arc process produces plasma jets of high energy in welding procedure specifications (EN 288) as references. TABLE 1.1 Reference numbers for some fusion welding methods (IS0 4063). 1 Welding method / Reference number I 1 - I