Description

weld electrode (technoweld) is a metal wire or rod, often coated, used to conduct electric current to the workpiece, initiating and maintaining an arc to melt and join metals. Electrodes either melt as filler metal (consumable, e.g., SMAW/MIG) or merely create the arc (non-consumable, e.g., TIG). Coatings provide shielding gas to prevent contamination