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  • How many usages of stainless steel pipe fittings

    How many usages of stainless steel pipe fittings

    Stainless steel pipe is a hollow long round steel, mainly widely used in petroleum, chemical, medical, food, light industry, mechanical instruments, and other industrial pipelines and mechanical structural components. In addition, when the bending and torsional strength are th...
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  • What are the quality requirements for steel pipe pickling

    What are the quality requirements for steel pipe pickling

    (1) After pickling, the corrosion and oil stains on the inner wall of the steel pipe are all removed, and the cleanliness should meet the requirements of relevant standards. (2) Pickling parts must not be pickled. If the steel pipe is immersed in the pickling solution for too ...
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  • Spiral steel pipe production process introduction and classification standards

    Spiral steel pipe production process introduction and classification standards

    Spiral steel pipe production process: It is a spiral seam steel pipe made of strip steel coil as raw material, extruded at regular temperature, and welded by automatic double-wire double-sided submerged arc welding process. (1) Raw materials are strip steel coils, welding wire...
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  • Straight seam steel pipe classification and welded steel pipe use guide

    Straight seam steel pipe classification and welded steel pipe use guide

    Straight seam steel pipe refers to a welded steel pipe with one weld in the longitudinal direction of the pipe body. GB/9711.1 stipulates that when the diameter is greater than 914.4, the straight seam steel pipe can have two straight welds, and the angle between the welds is ...
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  • Anti-corrosion process of anti-corrosion steel pipes

    Anti-corrosion process of anti-corrosion steel pipes

    In recent years, the demand for steel pipe insulation in various industries in China has increased. The production technology of domestic steel pipe anti-corrosion factories has been relatively mature, and various anti-corrosion products can be produced. Among them, 3PE anti-c...
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  • Geometric Properties of Sections of Large Diameter Steel Pipes

    Geometric Properties of Sections of Large Diameter Steel Pipes

    (1) Its node connection is suitable for direct welding, which does not need to pass through the gusset plate or other connectors, which saves labor and materials. (2) When necessary, concrete can also be poured into the tube to form a composite member. (3) The geometric charac...
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  • How to judge the quality of spiral steel pipes

    How to judge the quality of spiral steel pipes

    1. From the surface of the spiral steel pipe to see whether the production process of the spiral steel pipe is exquisite. Generally, research and analysis of spiral steel are required, and the section of fake and inferior spiral steel pipes is oval. The reason is that the manu...
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  • Technical requirements for steel bending pipes and analysis of factors affecting the quality of steel bending pipes

    Technical requirements for steel bending pipes and analysis of factors affecting the quality of steel bending pipes

    Steel bending pipes are produced step by step, and then made into finished products. In the whole production process, because the pipes are required to be curved, and the bending of the pipes requires some technology, the degree of bending is also different. Then What are the ...
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  • Deviation and Forming Method of Large Diameter Steel Pipe in Production

    Deviation and Forming Method of Large Diameter Steel Pipe in Production

    Deviation of large-diameter steel pipes in production: common large-diameter steel pipe size range: outer diameter: 114mm-1440mm wall thickness: 4mm-30mm. Length: according to customer requirements can be made in fixed length or indefinite length. Large-diameter steel pipes ar...
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