Pre-galvanized round pipe is a pre-galvanized steel pipe with excellent corrosion resistance and durability. It is widely used in construction, industry and agriculture fields, suitable for water heating systems, drainage pipes, fences, structural support and other applications.
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Hot-rolled steel plates are made by heating billets to a high temperature and then pressing and forming them through the roller table. This process enables the steel to achieve the desired mechanical properties and surface quality.
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It is a square tube made of steel plate or strip after crimping and welding.
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Annealed square tube is a kind of square steel tube after high temperature treatment, by heating the square tube to a certain temperature and continuous insulation for a period of time, so that its internal organization changes, to achieve softening, stress relief, improve the processing performance and other effects of the processing technology.
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It is a circular pipe made of forming, welding and hot dip galvanizing on the basis of cold rolled steel strip. The pipe is coated with zinc to improve the corrosion resistance of the pipe.
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Annealing is a process of heat treatment of metals in which the metal is slowly heated to a certain temperature, held for a sufficient time, and then cooled at a suitable rate. The purpose is to reduce the hardness and improve the machinability
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