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  • 2022-05-25

    Welding equipment: ZX7-400-3 welding machine is used for root welding; multifunctional automatic steel pipe welding equipment is used for filling and capping.Welding materials: φ3.2 E6010 cellulose electrode is used for root welding; Lincoln E81T8-G φ2.0 flux-cored self-shielded welding wire is used

  • 2022-05-23

    Selection of anti-corrosion coatings for steel pipesThere are a wide variety of anti-corrosion coatings, and their properties and uses are different. Correct selection is crucial to the anti-corrosion effect and service life of the coating. When choosing, you should consider:1. Surface material prop

  • 2022-05-18

    Spiral steel pipes are mainly used in water engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, and urban construction. Spiral steel pipes are twenty key products developed in my country.For liquid transportation: water supply, drainage. For gas

  • 2022-05-16

    3pe anti-corrosion steel pipeline is a relatively advanced anti-corrosion technology in recent years. Its full name is fused epoxy/extruded polyethylene structural protective layer. The structure of the 3pe anti-corrosion steel pipeline consists of the following three layers: the bottom layer is fus

  • 2022-05-12

    Stainless steel flanges are not completely rust-free, but their oxidation resistance is stronger than ordinary steel, so it is called stainless steel.Stainless steel not only can resist atmospheric oxidation but also can corrode in a medium containing acid, alkali, and salt. However, the size of its

  • 2022-05-09

    Stainless steel pipe fittings have high requirements on the quality of the pipe material and have higher requirements on the outer diameter ovality, wall thickness, and physical function of the rubber ring of the drainage cast iron pipe. Due to the poor watertight performance of the flat joint, in a

  • 2022-05-05

    (1) There are gravity water pipes and pressure water pipes for water delivery steel pipes. The gravity water conveying steel pipe adopts the self-flow method, the inspection wells are set up according to the requirements, and the spacing is generally 200-400m. In general, intake valves and exhaust v

  • 2022-04-27

    Galvanized steel pipe is also called galvanized steel pipe. Galvanized steel pipe can increase the service life of steel pipe and prevent rust to a certain extent. This encyclopedia will introduce the classification, main uses, and process characteristics of galvanized pipes.Classification1. Hot-dip

  • 2022-04-24

    There will be rust spots on the elbow of the stainless steel pipe, indicating that the elbow is not made of pure stainless steel, but is a stainless steel elbow of electroplating type. The rust spots can be polished with ultra-fine sandpaper and then sprayed with colorless varnish for anti-rust trea

  • 2022-04-20

    Welding, also known as fusion, is a manufacturing process and technique that can join metals or other thermoplastic composite materials (such as plastics) by applying heat, high temperature, or high pressure. There are three welding methods:1. Fusion welding. The workpiece is heated to form a molten

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