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Due to the galvanized treatment on the surface of the square pipe, the application range of the galvanized square pipe has been significantly extended compared ···
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Among them, the side length and wall thickness are in millimeters (mm), and the value is directly substituted into the above formula, which is the weight of the···
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The corrosion resistance test of galvanized sheet mainly includes two categories: one is the simulated corrosion environment test, such as salt spray test, agin···
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Aluminum magnesium manganese roof panel system features.
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Control the content of aluminum and iron in zinc liquid.
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