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: 410116Phone:0086-731-8873-9521
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...
Keywords :Large diameter thick wall seamless steel pipe details Update : 2023-09-07 View(s) : 422
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....
Keywords :Physical and chemical properties and appearance testing of high-frequency welded pipes Update : 2023-09-05 View(s) : 328
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...
Keywords :What are the advantages of anti-corrosion steel pipes in practical applications Update : 2023-09-01 View(s) : 356
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...
Keywords :Large-diameter thick-walled seamless steel pipes Update : 2023-08-29 View(s) : 434
Large-diameter thick-walled seamless steel pipes are made of 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. L...