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  • Submerged arc steel pipe welding control measures and forming methods

    Submerged arc steel pipe welding control measures and forming methods

    Submerged arc steel pipe welding control measures: Submerged arc steel pipe has become the steel pipe for large-scale oil and gas transmission projects at home and abroad because of its large wall thickness, good material, and stable processing technology. In large-diameter submerged arc steel pi...
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  • How is the spiral steel pipe sawn off

    How is the spiral steel pipe sawn off

    After a series of treatments such as forming, welding, and cooling, the spiral steel pipe still needs to be sawed. In this link, the length of the technical spare ruler directly affects the quality and sales of the finished welded pipe, so the length of the spare ruler should be controlled betwee...
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  • How to choose stainless steel flange pipe fittings

    How to choose stainless steel flange pipe fittings

    1. Price advantage, to buy products with price advantages, trace the source of the product. For example, stainless steel flanges can be manufactured from raw materials through a series of operations such as forging, punching or rolling, and water lines. The process can be completed in one-stop at...
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  • Significance of Heat Treatment Process for Oil Casing

    Significance of Heat Treatment Process for Oil Casing

    In addition to being used for oil exploration, the emergence of oil casing can also be used as a pipeline for transporting raw materials. To enhance the quality of oil casing, every link in the production process is particularly important, especially the temperature control during the period, whi...
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  • What details should be processed before thick-walled steel pipes are used

    What details should be processed before thick-walled steel pipes are used

    1. Thick-walled steel pipe cutting: According to the actual required pipeline length, metal saws and toothless saws should be used to cut the pipelines. When water welding is used in the cutting process, the raw materials should be protected accordingly. When cutting, fire-resistant and heat-resi...
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  • Introduction of embroidery removal technology of submerged arc steel pipe

    Introduction of embroidery removal technology of submerged arc steel pipe

    In the process of anti-corrosion construction of oil and gas pipelines, the surface treatment of large-diameter submerged arc steel pipes is the key factor in determining the service life of pipeline anti-corrosion, and it is the premise that the anti-corrosion layer and large-diameter submerged ...
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