Flux coating plays an important role in protecting the weld during the welding process. When the electrode melts, the flux produces a protective gas shield and slag layer that prevent oxygen, moisture, and other contaminants from affecting the molten weld metal. This protection helps improve weld quality, increase strength, and reduce defects. Flux-coated electrodes are widely used because they produce cleaner, stronger, and more reliable welds in various applications.
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