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Threeway Steel Co., Ltd

E-mail: sales@srtsteelpipe.com

Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116

Phone:0086-731-8873-9521  

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The importance of adding anti-corrosion coating to plastic-coated steel pipes

The importance of adding anti-corrosion coating to plastic-coated steel pipes

Keywords :The importance of adding anti-corrosion coating to plastic-coated steel pipes        Update : 2023-09-13        View(s) : 255

China's steel-plastic composite steel pipes have not been developed for a long time, and there is still a large gap compared with foreign countries in terms of raw materials, technology, manufacturing equipment, etc. For example, coating on the outer wall of the pipeline can increase the loop resist...

What are the factors that cause horizontal stripes in spiral seam submerged arc welded steel pipes

What are the factors that cause horizontal stripes in spiral seam submerged arc welded steel pipes

Keywords :What are the factors that cause horizontal stripes in spiral seam submerged arc welded steel pipes        Update : 2023-09-11        View(s) : 1

First of all, it may be due to the stress of spiral submerged arc welded steel pipes . That is, the residual stress and welding stress after the steel pipe is formed. Secondly due to the presence of hydrogen. For example, the flux is not dried enough, the preheating temperature is insufficie...

Large diameter thick wall seamless steel pipe details

Large diameter thick wall seamless steel pipe details

Keywords :Large diameter thick wall seamless steel pipe details        Update : 2023-09-07        View(s) : 331

Large-diameter thick-walled seamless steel pipes are made from steel ingots or solid tube blanks that are perforated into capillary tubes, and then hot-rolled, cold-rolled, or cold-drawn. Large-diameter thick-walled seamless steel pipes play an important role in my country's steel pipe industry....

Physical and chemical properties and appearance testing of high-frequency welded pipes

Physical and chemical properties and appearance testing of high-frequency welded pipes

Keywords :Physical and chemical properties and appearance testing of high-frequency welded pipes        Update : 2023-09-05        View(s) : 263

High-frequency welding management properties: normal temperature mechanical properties, high-temperature mechanical properties, low-temperature properties, and corrosion resistance. The physical and chemical properties of high-frequency welded pipe mainly depend on the chemical composition of st...

What are the advantages of anti-corrosion steel pipes in practical applications

What are the advantages of anti-corrosion steel pipes in practical applications

Keywords :What are the advantages of anti-corrosion steel pipes in practical applications        Update : 2023-09-01        View(s) : 298

Anti-corrosion steel pipes are metal bodies buried underground. However, due to the environment, despite careful construction, general steel pipes will inevitably age easily, and the steel pipes will still have damage and defects. To extend the life of the steel pipes, it is necessary to perform...

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