Steel Knowledge

  • What are the methods for heat treatment of straight seam steel pipe?

    What are the methods for heat treatment of straight seam steel pipe?

    What are the methods for heat treatment of straight seam steel pipe? First of all, the layout design of technical molds should be reasonable, the thickness should not be too different, and the shape should be symmetrical. For molds with large deformation, the de...
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  • How to Select High Quality Square Tube?

    How to Select High Quality Square Tube?

    Square tube is a kind of material commonly used in the industrial construction industry, with a large demand. There are many square tube products on the market, and the quality is uneven. Attention should be paid to the selection method when selecting: 1. Look a...
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  • How thick is the galvanized square tube to meet the design requirements of steel structure?

    How thick is the galvanized square tube to meet the design requirements of steel structure?

    It is well known that the quality of galvanized square and rectangular tubes and the installation method directly affect the stability of steel structures. At present, the support materials on the market are mainly carbon steel. The raw materials of carbon steel are gene...
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  • Application of Galvanized Rectangular Pipe in Construction Engineering

    Application of Galvanized Rectangular Pipe in Construction Engineering

    As a common decoration construction material in our modern life, galvanized square tubes can be said to be widely used. Because the surface is galvanized, the anti-corrosion function can reach a better standard, and the anti-corrosion effect can be better played in the c...
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  • Surface heat treatment of 16Mn square tube

    Surface heat treatment of 16Mn square tube

    In order to improve the surface hardness and wear resistance of 16Mn rectangular tubes, surface treatment, such as surface flame, high-frequency surface quenching, chemical heat treatment, etc. should be carried out for the rectangular tubes. Generally speaking, most of ...
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  • How is LSAW steel pipe made?

    How is LSAW steel pipe made?

    The longitudinal submerged arc welding pipe LSAW pipe (LSAW steel pipe) is produced by rolling the steel plate into a cylindrical shape and connecting the two ends together through linear welding. LSAW pipe diameters typically range from 16 inches to 80 inches (406 mm to...
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  • How to remove the rust of 16Mn seamless square pipe during long-term storage?

    How to remove the rust of 16Mn seamless square pipe during long-term storage?

    At present, 16Mn seamless square pipe technology has been extremely mature, and there are corresponding product standards and various types of application technologies. Its application fields are also extremely wide. Due to the influence of weather and environment, the s...
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  • Do you know the production process of high frequency welded pipe?

    Do you know the production process of high frequency welded pipe?

    The production process of high-frequency welded pipe mainly depends on the variety of products. A series of processes are required from raw materials to finished products. The completion of these processes requires various mechanical equipment and welding, electrical con...
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  • Connection method of q355b square pipe

    Connection method of q355b square pipe

    In the prior art, a two-step method is used to connect q355b rectangular tubes. First, the square tube is pressed out of the joint, and then the joint of the two tubes is connected with a docking mechanism. This requires a lot of human resources and has low R & D and...
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  • Fabrication technology of Q355D low temperature square tube

    Fabrication technology of Q355D low temperature square tube

    Domestic petroleum, chemical and other energy industries need a large number of low-temperature steel to design and produce various manufacturing and storage equipment such as liquefied petroleum gas, liquid ammonia, liquid oxygen and liquid nitrogen. According to China...
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  • Why does the color of galvanized square pipe turn white?

    Why does the color of galvanized square pipe turn white?

    The main component of galvanized square pipe is zinc, which is easy to react with oxygen in the air. Why does the color of galvanized square pipe turn white? Next, let's explain it in detail. The galvanized products should be ventilated and dry. Zinc is amphoteric metal,...
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  • How to solve the corrosion problem of galvanized square pipe?

    How to solve the corrosion problem of galvanized square pipe?

    Most of the square pipes are steel pipes, and the hot-dip galvanized square pipes are coated with a layer of zinc on the surface of the steel pipes by a special process. Next, we will explain in detail how to solve the corrosion problem of the galvanized square pipes. ...
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