Galvanized pipe is carbon steel, galvanizing for anticorrosion, in the design and production of the design and production of the full use of important standard design, generally without welding means connected, welding will destroy galvanized layer, welding easily appear slag, gas hole phenomenon and influence the effect of anticorrosion, galvanized pipe is generally coated with a layer of protection film on its surface after surface treatment, hot plating and cold plating. In order to prevent corrosion.
1, because the galvanized pipe is galvanized on the steel pipe, the application scope of the galvanized pipe has been greatly expanded compared with the square pipe. It is mainly used in curtain wall, construction, mechanical manufacturing, steel construction project, shipbuilding, solar power support, steel structure engineering, electric power engineering, power plant, agricultural and chemical machinery, glass curtain wall, automobile chassis, airport and so on.
2, zinc plating has stronger protective effect and stronger corrosion resistance. The whole structure is formed by zinc, which is a compact four element crystal, which forms a barrier on the steel plate, thus effectively preventing the penetration of corrosion factors. Corrosion resistance comes from zinc barrier layer and strong protection function. When zinc is sacrificed for trimming, scratch and scratch, zinc will form an insoluble oxide layer and play a barrier function.
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