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WELDING ELECTRODES

Welding electrodes are coated with various materials that provide stability to the welding arc, protect the molten weld pool from atmospheric contamination, and influence the weld’s chemical and mechanical properties. For instance, in SMAW, the electrode coating generates a shielding gas and slag to protect the weld from oxidation and impurities.

Description

Welding electrodes are essential consumables in the welding process, serving as a filler material that melts and fuses with the base metal to create a strong joint. There are two main types of welding electrodes: consumable and non-consumable. Consumable electrodes, such as those used in Shielded Metal Arc Welding (SMAW or stick welding), Gas Metal Arc Welding (GMAW or MIG welding), and Flux-Cored Arc Welding (FCAW), melt during the welding process to form the weld bead. Non-consumable electrodes, like those used in Gas Tungsten Arc Welding (GTAW or TIG welding), do not melt but instead serve as a stable arc conductor.

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