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盛仕达钢铁股份有限公司

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  • Q235B thick wall spiral steel pipe details

    Q235B thick wall spiral steel pipe details

    Q235B thick-walled spiral steel pipe is a high-strength, corrosion-resistant, high-temperature, and high-pressure steel pipe that is widely used in petroleum, natural gas, chemical industry, electric power, aviation, aerospace, rail transportation, and other fields. This steel pipe has excellent ...
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  • What are the weld grade requirements for internal and external epoxy powder-coated straight seam steel pipes

    What are the weld grade requirements for internal and external epoxy powder-coated straight seam steel pipes

    The weld grade requirements for internal and external epoxy powder-coated straight seam steel pipes are generally related to the pipe use and working environment. There will be corresponding requirements in engineering design and standard specifications. For example, for pipelines transporting co...
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  • The difference between submerged arc welded spiral steel pipe and straight seam high frequency welded steel pipe

    The difference between submerged arc welded spiral steel pipe and straight seam high frequency welded steel pipe

    Submerged arc welding spiral steel pipe uses continuous welding wire as the electrode and filler metal. During operation, the welding area is covered with a layer of granular flux. The large-diameter spiral tube arc burns under the flux layer, melting the end of the welding wire and part of the b...
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  • Large diameter anti-corrosion spiral steel pipe: an important role in engineering

    Large diameter anti-corrosion spiral steel pipe: an important role in engineering

    With the acceleration of urbanization and the continuous advancement of infrastructure construction, large-diameter anti-corrosion spiral steel pipes are playing an increasingly important role in engineering construction. 1. Definition and background of large-diameter anti-corrosion spiral steel ...
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  • Seamless steel pipe anti-corrosion details

    Seamless steel pipe anti-corrosion details

    Seamless steel pipe anti-corrosion: ensuring high quality and corrosion resistance. Seamless steel pipes are increasingly used in the storage, processing, and transportation systems of various corrosive media. The requirements for corrosion resistance are getting higher and higher. How to improve...
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  • Internal anti-corrosion treatment method for large diameter spiral steel pipe

    Internal anti-corrosion treatment method for large diameter spiral steel pipe

    The construction of cement mortar fabric should usually be carried out after the spiral pipe has been laid, the pressure test has passed, and the covering soil has been compacted according to the planning requirements. Due to the small stiffness and thin wall of the steel pipe, the pipe must be i...
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  • What materials are used to prevent corrosion of steel pipelines

    What materials are used to prevent corrosion of steel pipelines

    Steel pipeline anti-corrosion materials are divided into steel pipeline-themed anti-corrosion materials and their corresponding patching materials. The main body anti-corrosion mainly includes petroleum asphalt, epoxy coal asphalt, anti-corrosion cold-wound tape, epoxy powder, PE coating, and PP ...
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  • What are the production processes of seamless steel pipes

    What are the production processes of seamless steel pipes

    What are the production processes of seamless steel pipes? Relying on its characteristics and strengths, seamless steel pipes are increasingly used in fields such as the installation of large equipment and the hydraulic machinery industry. Compared with the common steel pipes (welded pipes) befor...
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  • How to manage the safety of spiral steel pipes

    How to manage the safety of spiral steel pipes

    To solve the problem of excessive misalignment in the alignment of spiral steel pipe nozzles, the following preventive measures should be taken in quality management control: 1. Try to use internal alignment devices. 2. Carry out engineering measurement and trimming work during assembly. 3. When ...
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  • Comparison between plastic-coated steel pipes and 3PE anti-corrosion steel pipes

    Comparison between plastic-coated steel pipes and 3PE anti-corrosion steel pipes

    Plastic-coated pipes, also known as plastic-coated steel pipes, steel-plastic composite pipes, and plastic-coated composite steel pipes, are based on steel pipes and use PE (modified polyethylene) for hot dip molding or EP (epoxy resin) as the main anti-corrosion raw material. It is a steel-plast...
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  • Comparison of the advantages and disadvantages of spiral steel pipe and straight steel pipe welds

    Comparison of the advantages and disadvantages of spiral steel pipe and straight steel pipe welds

    The weld seam of spiral steel pipe is longer than that of straight seam steel pipe. If the pipe length is L, the weld seam length is L/cos(θ). Most of the defects in steel pipes are concentrated in the welds and heat-affected zones. Long welds mean a high probability of defects. This is the main ...
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  • How to detect plastic-coated steel pipes

    How to detect plastic-coated steel pipes

    Plastic-coated steel pipes, also known as plastic-coated pipes, steel-plastic composite pipes, and plastic-coated composite steel pipes, are based on steel pipes. A layer of plastic anti-corrosion layer or plastic anti-corrosion layer is fused to the inner surface of the steel pipe (bottom pipe) ...
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