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  • What can be considered a “high-quality” plastic-coated steel pipe

    What can be considered a “high-quality” plastic-coated steel pipe

    Plastic-coated steel pipes have the dual advantages of steel pipes and plastic pipes. They have the mechanical strength and pressure-bearing strength of steel pipes, as well as the smooth inner wall of non-metallic pipes, wear resistance, strong corrosion resistance, low water...
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  • Technical requirements for large-diameter plastic-coated steel pipes

    Technical requirements for large-diameter plastic-coated steel pipes

    Steel pipe surface treatment: The surface of the steel pipe must be clean and dry, free of oil, rust, scale, and other impurities to ensure the adhesion and corrosion resistance of the coating. Coating material selection: Coating materials should be selected according to the u...
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  • How to drill holes in seamless steel pipes

    How to drill holes in seamless steel pipes

    First, the method of drilling seamless steel pipes 1. Use a special punching machine to drill the inner diameter of the steel pipe to the required specifications. Before drilling, the pipe should be inspected for cracks, folds, severe corrosion, and other defects. If there are...
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  • Steel pipe stability is the key to material selection and structural design

    Steel pipe stability is the key to material selection and structural design

    The stability of steel pipes plays a vital role in the steel industry. It is directly related to the performance, safety, and stability of steel pipes during use. In actual engineering, the stability of steel pipes is affected by both material selection and structural design. ...
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  • The mystery of the specifications of DN48 seamless steel pipe

    The mystery of the specifications of DN48 seamless steel pipe

    Steel pipes play an indispensable role in construction, transportation, petroleum, chemical industry, and other fields. Among them, seamless steel pipes are favored for their excellent performance and wide range of applications. DN48 seamless steel pipe, as one of the specific...
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  • Details of 3PE anti-corrosion straight seam steel pipe

    Details of 3PE anti-corrosion straight seam steel pipe

    3PE anti-corrosion straight seam steel pipe is a pipe with excellent performance and wide application prospects. 1. Product features of 3PE anti-corrosion straight seam steel pipe 3PE anti-corrosion straight seam steel pipe adopts a three-layer structure of anti-corrosion coat...
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  • Causes of corrosion of large-diameter plastic-coated steel pipes

    Causes of corrosion of large-diameter plastic-coated steel pipes

    Corrosion of clean water pipes: Metal pipes account for 90% of my country’s urban water supply pipelines. Whether they are cast iron or carbon steel pipes, corrosion, and scaling will occur during long-term operation. With the increase in service life, the corrosion in m...
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  • Precautions for construction of coated steel pipes

    Precautions for construction of coated steel pipes

    1. During transportation, loading and unloading, and construction site construction, coated steel pipes are strictly prohibited from being thrown or violently impacted; 2. coated steel pipes should not be buried in reinforced concrete structural layers; 3. The installation of ...
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  • What are the quality control requirements of the national standard for galvanized steel pipes

    What are the quality control requirements of the national standard for galvanized steel pipes

    The national standard for galvanized steel pipes has very strict quality control requirements, which are mainly reflected in the following aspects: 1. Appearance quality: The surface of galvanized steel pipes should be flat and smooth, without defects such as cracks, pitting, ...
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