News

  • Packaging and storage of industrial energy oil casing

    Packaging and storage of industrial energy oil casing

    According to the American Petroleum Institute standard APISPEC5CT 1988 1st edition, casing steel grades are H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P- There are 10 types of 110 and Q-125. The casing should be supplied with threads and couplings, or in any of the following pipe end forms: ...
    Read more
  • What factors affect the durability of stainless steel pipes

    What factors affect the durability of stainless steel pipes

    The durability of stainless steel pipe is affected by many factors, including the following aspects: 1. Chemical composition: The chemical composition of stainless steel has an important impact on its corrosion resistance. The main alloying elements include chromium, nickel, molybdenum, etc. Chro...
    Read more
  • Details of Q345B low alloy steel pipe

    Details of Q345B low alloy steel pipe

    Q345B low alloy steel pipe is a high-quality material commonly used in construction, machinery manufacturing, and other fields. It has excellent mechanical properties and processability, and its price is relatively low, so it is favored by the majority of users. 1. Material properties of Q345B lo...
    Read more
  • What precautions should be taken during the processing of channel steel

    What precautions should be taken during the processing of channel steel

    During the processing of channel steel, some important matters need to be paid attention to ensure processing quality and operating safety. Here are some things to note: 1. Safe operation: Before performing channel steel processing, you must be familiar with and comply with the relevant safety op...
    Read more
  • What is the principle of seamless steel pipe extrusion

    What is the principle of seamless steel pipe extrusion

    Seamless steel pipe extrusion is a commonly used pipe-making process, mainly used to produce seamless steel pipes of various specifications and materials. The principle is as follows: 1. Material selection: First, select appropriate steel billets as raw materials. These steel billets are usually ...
    Read more
  • Painting construction of pressure steel pipe walls of large-diameter internal and external plastic-coated steel pipes

    Painting construction of pressure steel pipe walls of large-diameter internal and external plastic-coated steel pipes

    1. Spray painting construction procedures: Manually remove oil stains and welding slag burrs on the pipe wall → sandblast and rust removal Sa2.5 level/Ra60-100μm → spray paint according to the drawing requirements → Quality inspection → Acceptance. 2. Spray painting construction process requireme...
    Read more