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U-Shaped Steel Beam with Hot-Dip Galvanized Protection Against Corrosion
U steel (full name: mine tunnel support with hot-rolled U steel) U steel is a kind of cross-section like the English letter "U" steel, sometimes cross-section is the Japanese letter "ひ" shape. Main features: bear pressure, support time is long, easy to install is not easy to deformation and other characteristics.
Among various coating methods for protecting steel substrates, hot-dip galvanizing is a very good one. It is in the liquid state of zinc, after quite complex physical and chemical action, not only a thick pure zinc layer is plated on the steel, but also a zinc-iron alloy layer is formed. This kind of plating method not only has the corrosion resistance characteristics of electro-galvanizing, but also has a zinc-iron alloy layer. It also has strong corrosion resistance unmatched by electro-galvanizing. Therefore, this plating method is especially suitable for strong corrosive environments such as various strong acids and alkali mists.
Main use: mainly used for mine roadway, mine roadway secondary support, as well as through the mountain tunnel support support and other purposes. As the main steel profile for manufacturing the retractable metal support of the roadway, U-beam is widely used both at home and abroad.
