Welding Electrodes & Rods are consumable filler materials that are melted to form the weld joint. In Stick (SMAW) welding, the electrode is a metal rod coated in flux. In MIG (GMAW) welding, a continuous solid wire electrode is fed automatically. TIG (GTAW) welding uses a non-consumable tungsten electrode and a separate filler rod. Selection is precise: The filler metal must match the base metal composition (e.g., mild steel, stainless, aluminum) and the specific welding process. Using the wrong type or diameter can lead to weak, brittle, or cracked welds. Electrodes are classified by codes (AWS) that indicate their tensile strength, position, and flux type.

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