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  • Large-diameter steel pipe forming method

    Large-diameter steel pipe forming method

    Large-diameter steel pipe forming method 1. Hot push system expansion method Pushing and expanding equipment is simple, low-cost, easy to maintain, economical and durable, flexible product specifications change, if you need to prepare large-caliber steel pipes and similar products, only need to a...
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  • Characteristics of pipeline non-destructive testing

    Characteristics of pipeline non-destructive testing

    Characteristics of pipeline non-destructive testing 1.The characteristic of non-destructive testing is that it can be tested without damaging the material and structure of the test piece. However, not all items and indicators that need to be tested can be non-destructive testing, and non-destruct...
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  • Seamless steel pipe and seam steel pipe

    Seamless steel pipe and seam steel pipe

    The seam steel pipe and seamless steel pipe are divided according to the processing form. The seam steel pipe is generally welded. The seamless steel pipe has two methods of cold drawing and hot rolling. The carbon steel pipe is in terms of material, and the galvanized pipe is the surface of the ...
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  • How to choose high-quality pipeline anti-corrosion materials?

    How to choose high-quality pipeline anti-corrosion materials?

    How to choose high-quality pipeline anti-corrosion materials? 1. Good stability This requires that the material has good anti-aging properties and can maintain stable properties at low temperature, high temperature, or in water. 2. Good resistance to mechanical damage To be able to withstand a ce...
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  • What are the connection methods of plastic coated steel pipes?

    What are the connection methods of plastic coated steel pipes?

    What are the connection methods of plastic coated steel pipes? 1. Threaded connection The automatic threading machine shall be adopted for the threading, and the current national standards shall be implemented. 2. Flange connection One-time installation method: it can measure and draw the single-...
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  • What are the detection methods of oil casing?

    What are the detection methods of oil casing?

    What are the detection methods of oil casing? 1. Ultrasonic testing: When ultrasonic waves are transmitted in the tested materials, the changes in the acoustic properties of the materials and the internal tissues have a certain effect on the transmission of ultrasonic waves. After the exploration...
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