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Galvanized pipe

Galvanized pipe

Due to the zinc coating, galvanized pipes have increased durability and corrosion resistance compared to black rolled metal. The range of products made of ferrous metals and with a zinc layer is identical. Galvanized steel is widely used in water supply, heat supply, gas supply, construction, installation of outdoor advertising, traffic signs.

The most common methods of production of this type of products include hot-dip and diffusion galvanizing. During hot-dip galvanizing, the steel billet is dipped in molten zinc at a temperature of about 450 °C. Diffuse galvanizing is based on the penetration of zinc atoms into the intercrystalline lattice of iron. This method provides high mechanical strength of the coating, resistance to peeling and chipping. For termodiffuzionnogo galvanizing design of black metal is placed in a container with zinc powder. Zinc saturation of the surface occurs at a temperature of 290-450 °C. As a result, the galvanized pipe has electrochemical protection in addition to its anti-corrosion properties. The black metal becomes the cathode, and the zinc anode is gradually destroyed by corrosion.

Modern manufacturers offer an extensive range of galvanized rolled products. Along with the classic round, you can buy a product with a square or rectangular cross-section. In addition to the shape, the pipes also differ in length and wall thickness. The outer diameter can range from 17 mm to 159 mm, and the through diameter of galvanized pipes varies from 10 to 150 mm. This diversity leads to a variety of application options.

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