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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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Causes of problems caused by improper heat treatment of seamless steel pipes

Causes of problems caused by improper heat treatment of seamless steel pipes

Keywords :Causes of problems caused by improper heat treatment of seamless steel pipes        Update : 2022-12-22        View(s) : 654

Improper heat treatment of seamless steel pipes is likely to cause a series of production problems, resulting in greatly reduced product quality and turning into waste products. Avoiding mistakes that are easy to make during heat treatment is saving money. What problems should we pay attention to an...

Large-diameter welded steel pipe production process

Large-diameter welded steel pipe production process

Keywords :Large-diameter welded steel pipe production process        Update : 2022-12-20        View(s) : 767

Some of the customers will feel puzzled about the large-diameter welded steel pipe production processes. Here let me show the details of the welded steel pipe production.  1: Conduct physical and chemical inspections of raw materials such as strip steel coils, welding wires, and fluxes...

Three connection methods of large-diameter spiral steel pipes

Three connection methods of large-diameter spiral steel pipes

Keywords :Three connection methods of large-diameter spiral steel pipes        Update : 2022-12-16        View(s) : 805

Welding, flange connection: Welding and flange connections belong to the traditional spiral steel pipe connection methods, which are far from meeting the market demand in terms of safety, sealing performance, cost space, and emergency repair efficiency. Scope of application: water pipeline con...

Correct operation and acceptance method of straight seam steel pipe

Correct operation and acceptance method of straight seam steel pipe

Keywords :Correct operation and acceptance method of straight seam steel pipe        Update : 2022-12-15        View(s) : 668

At present, there are more and more types of straight seam steel pipes . With the rapid development of continuous strip rolling production and the advancement of welding and inspection technology, the weld seams continue to improve, the varieties and specifications of welded steel pipes are incre...

What to prepare before steel pipe welding

What to prepare before steel pipe welding

Keywords :What to prepare before steel pipe welding        Update : 2022-12-13        View(s) : 700

Steel pipe welding equipment: ZX7-400-3 welding machine is used for root welding; Kumagai ZD-500 multifunctional automatic pipeline welding equipment is used for filling and covering. Steel pipe welding materials: Bole φ3.2 E6010 cellulose electrode is used for root welding; Lincoln E81T8-G...

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