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Mixing galvanized and black iron pipes within the same system can present several challenges. One of the primary concerns is galvanic corrosion, a phenomenon that occurs when two dissimilar metals come into electrical contact in the presence of an electrolyte, such as water. In this scenario, the zinc coating of the galvanized pipe can corrode at an accelerated rate due to the electrical activity created by the differing materials. As a result, the lifespan of the system may be significantly reduced, leading to potential failures and costly repairs.
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Welding is another critical step in the manufacturing process, where pieces are fused together to create a sturdy structure. Factories today have upgraded their welding techniques, utilizing robotic welders for consistency and strength. After assembly, the metal surfaces undergo cleaning and priming to prepare for painting, which protects against rust and enhances appearance. Finally, drawers are added, and the entire unit is subjected to quality control checks to ensure durability and functionality.
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