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  • How to avoid bubbles in welded carbon steel pipes?

    How to avoid bubbles in welded carbon steel pipes?

    It is common for welded carbon steel pipes to have air bubbles in the weld, especially large-diameter carbon seamless steel pipe weld pores not only affect the tightness of the pipeline weld and cause pipeline leakage, but also become the induction point of corrosion, which seriously reduces the ...
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  • 8 Precautions for seamless pipe forming

    8 Precautions for seamless pipe forming

    Forming and sizing of seamless pipes, some hole design and adjustment methods will directly affect the quality, so we should pay attention to the following eight points when handling the forming of seamless pipes:   1. Before there is no perforation, the hole shape of each rack should be adj...
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  • 10 ways to remove burrs from seamless steel tubes

    10 ways to remove burrs from seamless steel tubes

    Burs are ubiquitous in the metalworking process. No matter how advanced and sophisticated equipment you use, it will be born with the product. This is mainly due to the plastic deformation of the material and the generation of excessive iron filings at the edges of the processed material, especia...
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  • Carbon steel tube welding process

    Carbon steel tube welding process

    Welding problems are sometimes encountered during the installation of carbon steel tubes. So, how to weld tubes? What should we pay attention to when welding carbon steel tubes? 1. Gas welding Gas welding can be used for welding, which is to mix combustible gas and combustion-supporting gas toget...
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  • Iron oxide scale treatment on the surface of seamless tube

    Iron oxide scale treatment on the surface of seamless tube

    When the carbon steel tube is in use, the oxide film on the surface is not easy to fall off. Usually, oxide films are produced in a heating furnace. So, how to clean the oxide film on the surface of the carbon seamless steel tube? 1. Iron oxide scale cleaning machine treatment The scale cleaning ...
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  • How to do the anti-corrosion work of thick-walled seamless tube?

    How to do the anti-corrosion work of thick-walled seamless tube?

    The general application of thick-walled seamless tubes must do the corresponding anti-corrosion and anti-rust treatment work. The general anti-corrosion work is divided into three processes: 1. Anti-rust treatment of pipes. Before painting, the surface of the pipeline should be cleaned of oil, sl...
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  • Precautions for spiral steel pipe stacking

    Precautions for spiral steel pipe stacking

    Spiral pipe (SSAW) is a spiral seam carbon steel pipe made of strip steel coil as raw material, often warmly extruded, and welded by automatic double-wire double-sided submerged arc welding process. It is mainly used in water supply engineering, petrochemical, chemical, electric power, agricultur...
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  • Production process of carbon steel welded pipe

    Production process of carbon steel welded pipe

    Carbon steel welded pipes are mainly divided into three processes: electric resistance welding (ERW), spiral submerged arc welding (SSAW) and straight seam submerged arc welding (LSAW). The carbon steel welded pipes produced by these three processes have their own positioning in the application f...
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  • Advantages and disadvantages of thermal expansion carbon steel pipes

    Advantages and disadvantages of thermal expansion carbon steel pipes

    At present, steel pipes are widely used and have many types. Thermal expansion carbon steel pipe is one of them. It has many advantages, but of course it is not without any disadvantages. The following is a detailed explanation of the advantages and disadvantages of hot-expanded steel pipes by ca...
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  • What details should be paid attention to when using directly buried insulation pipes

    What details should be paid attention to when using directly buried insulation pipes

    Direct buried insulation pipe has always been used as a special material and has been demanded by more construction sites, but it is precisely because of its particularity that there are many places that need everyone’s attention in the process of use. In the entire laying process of the di...
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  • What are the precautions for the construction of polyurethane direct buried pipes?

    What are the precautions for the construction of polyurethane direct buried pipes?

    With the development of the pipeline industry, new materials are gradually listed in the market. As an efficient product in the thermal insulation industry, the polyurethane direct-buried thermal insulation pipe has excellent thermal insulation characteristics and efficient work efficiency. It is...
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  • Common problems and solutions in the construction of directly buried thermal insulation pipes

    Common problems and solutions in the construction of directly buried thermal insulation pipes

    The direct buried insulation pipe is foamed by chemical reaction of high-function polyether polyol composite material and polymethyl polyphenyl polyisocyanate as raw materials. Directly buried thermal insulation pipes are used for thermal insulation and cold insulation projects of various indoor ...
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