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  • What are the technical requirements for galvanized steel pipes

    What are the technical requirements for galvanized steel pipes

    Understanding the technical requirements of galvanized steel pipes. Regarding the understanding of galvanized steel pipes, its technical requirements have become a question that people have always been curious about. First of all, you must understand this product. Galvanized steel pipes are mainl...
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  • Large-diameter seamless steel pipe related details

    Large-diameter seamless steel pipe related details

    Large-diameter seamless steel pipes can be divided into straight seam arc welded steel pipes and straight seam submerged arc welded steel pipes according to traditional processes. The production process of straight seam welded pipe is simple, low cost, rapid development, and high production effic...
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  • What causes steel pipes to bend during production

    What causes steel pipes to bend during production

    The straightening of straight seam steel pipes is an important process in the production of straight seam steel pipes. Especially for API standard oil casings, oil and gas pipes, and special pipes for mechanical equipment that have higher quality requirements. These steel pipes not only have stri...
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  • Production technology of large-diameter plastic-coated spiral steel pipe

    Production technology of large-diameter plastic-coated spiral steel pipe

    Large-diameter plastic-coated spiral steel pipe is a steel pipe with a polymer coating sprayed on the surface of the steel pipe. It has the characteristics of anti-corrosion, wear resistance, acid and alkali resistance, and anti-aging. Steel pipe surface treatment: First, the surface of the steel...
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  • How to Production a Steel Reducer

    How to Production a Steel Reducer

    Chemical pipe fittings are used to connect two pipes with different diameters. According to different shapes, they are divided into two types: concentric steel reducers and eccentric steel reducers. The reducer materials include stainless steel reducer (304, 304l, 316, 316l), alloy steel reducer,...
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  • How to identify counterfeit thick-walled seamless steel pipe

    How to identify counterfeit thick-walled seamless steel pipe

    1. Fake and inferior thick-walled seamless steel pipes are prone to folding. Folds are various fold lines formed on the surface of thick-walled seamless steel pipes. This defect often runs throughout the longitudinal direction of the product. The reason for folding is that shoddy manufacturers pu...
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  • Troubleshooting and production technology of straight seam steel pipes

    Troubleshooting and production technology of straight seam steel pipes

    Straight seam steel pipes are steel pipes with welds that are longitudinally parallel to the steel pipe. They are usually divided into metric electric welded steel pipes, electric welded thin-walled pipes, transformer cooling oil pipes, etc. The production process of straight seam welded pipe is ...
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  • Quality requirements for large diameter thick wall seamless steel pipes

    Quality requirements for large diameter thick wall seamless steel pipes

    ‚φChemical composition of steel: The chemical composition of steel is one of the most important factors affecting the performance of seamless steel pipes. It is also the main basis for formulating pipe rolling process parameters and steel pipe heat treatment process parameters. a. Alloying element...
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  • Steel pipe processing methods

    Steel pipe processing methods

    Steel pipe processing and furnace installation: 1. Workpieces that are easily deformed during heat treatment should be heated on a special fixture. 2. The workpiece should be placed in the effective heating zone Warm-up: 1. For workpieces with complex shapes or sharp changes in cross-section and ...
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  • What are the uses of seamless steel pipes

    What are the uses of seamless steel pipes

    The difference between seamless steel pipes and other long strips is that there are no seams around them, and the steel pipe section is hollow. Due to different cross-sectional shapes, they are often classified into round steel pipes and heterogeneous steel pipes. In terms of actual use efficienc...
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  • What is the difference between welded steel pipe and welded spiral steel pipe

    What is the difference between welded steel pipe and welded spiral steel pipe

    Welded steel pipe refers to a steel pipe with seams on the surface, which is made by bending and deforming steel strips or steel plates into circular, square, and other shapes and then welding them. The blank used for welded steel pipes is a steel plate or strip. Since the 1930s, with the rapid d...
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  • Application of straight seam steel pipes in pressure pipelines

    Application of straight seam steel pipes in pressure pipelines

    The nominal diameter of straight seam steel pipe refers to the series of diameter dimensions specified in the standard of straight seam steel pipe. For straight seam steel pipes, pipe fittings, valves, etc., the nominal straight seam steel pipe diameter is represented by a series specified in the...
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