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  • Common Anti-corrosion Architectural Coatings for Square Tubes

    Common Anti-corrosion Architectural Coatings for Square Tubes

    Common anti-corrosion architectural coatings for square pipes include asphalt, polyurethane materials, styrene epoxy resin, zinc-rich architectural coatings, chlorosulfonated high pressure polyethylene and epoxy resin glue.
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  • Seamless Square Tube

    Seamless Square Tube

    The seamless square tube is a square steel tube with four corners. It is a square steel tube formed by cold drawing and extrusion of a seamless steel tube. Steel pipes have hollow sections and are used in large numbers as pipes for transporting fluids.
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  • What is the Difference Between Seamless Steel Pipe and Seamed Steel Pipe?

    What is the Difference Between Seamless Steel Pipe and Seamed Steel Pipe?

    The difference between seamed steel pipe and seamless steel pipe is mainly in terms of definition, processing technology, use, appearance, pressure and price.
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  • Hollow Section

    Hollow Section

    Rectangular/ Square hollow section are formed from coils and then ran through a series of dies. They are are welded from the inside to form their shape.
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  • Matters Needing Attention When Phosphating Q345B Square Tube

    Matters Needing Attention When Phosphating Q345B Square Tube

    Phosphating is a whole process of organic chemical and electrochemical corrosion to generate polyphosphate conversion film. The established polyphosphate conversion film is collectively referred to as phosphating film. It can play a very large effect and can improve the anti-corrosion ability of the q345b square tube. What should we pay attention to when we carry out phosphating treatment of q345b square tube?
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  • Treatment Method of Rectangular Tube Spraying

    Treatment Method of Rectangular Tube Spraying

    The use of compressed air and spray gun to atomize the paint to construct the rectangular tube is called the spray method, which is characterized by the uniform thickness of the coating film obtained, the appearance is smooth, and the production efficiency is high.
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  • How is the Quenching Treatment of ERW Steel Pipe Carried Out?

    How is the Quenching Treatment of ERW Steel Pipe Carried Out?

    The surface quenching and tempering heat treatment of erw steel pipe is usually carried out by induction heating or flame heating. The main technical parameters are surface hardness, local hardness and effective hardened layer depth.
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  • The Use of Square Tube

    The Use of Square Tube

    Square tubes are classified by use: square tubes for decoration, square tubes for machine tools, square tubes for machinery industry, square tubes for chemical industry, square tubes for steel structures, square tubes for shipbuilding, square tubes for automobiles, square tubes for steel beams and columns , special purpose square tube.
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