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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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Acceptance standard and method of spiral steel pipe

Acceptance standard and method of spiral steel pipe

Keywords :Acceptance standard and method of spiral steel pipe        Update : 2022-03-07        View(s) : 861

1. The acceptance principle of spiral steel pipe The quality inspection and acceptance of the spiral steel pipe shall be carried out by the technical quality supervision department of the supplier. The supplier must ensure that the delivered spiral steel pipe meets the requirements of the ...

Anti-corrosion technology of anti-corrosion steel pipe

Anti-corrosion technology of anti-corrosion steel pipe

Keywords :Anti-corrosion technology of anti-corrosion steel pipe        Update : 2022-03-03        View(s) : 751

In recent years, the demand for steel pipe insulation pipes in various domestic industries has increased. The production process of domestic steel pipe anti-corrosion plants has been relatively mature, and all kinds of anti-corrosion can be produced. Among them, 3PE anti-corrosion steel pipes have o...

Common Defects in Welding Area of ​​Spiral Seam Submerged Arc Welded Steel Pipe

Common Defects in Welding Area of ​​Spiral Seam Submerged Arc Welded Steel Pipe

Keywords :Common Defects in Welding Area of ​​Spiral Seam Submerged Arc Welded Steel Pipe        Update : 2022-03-01        View(s) : 1

All of us know the common defects of spiral welded pipes in the welding area. Here. We listed common 6 defects placed in the spiral welded pipe .  1. Bubbles. Bubbles mostly occur in the center of the weld bead. The main reason is that hydrogen is still hidden inside ...

What are the standards for the storage of anti-corrosion steel pipes

What are the standards for the storage of anti-corrosion steel pipes

Keywords :What are the standards for the storage of anti-corrosion steel pipes        Update : 2022-02-25        View(s) : 916

1. The appearance of the storage and delivery of anti-corrosion steel pipes needs to be checked as follows: ①Check root by root to ensure that the surface of the polyethylene layer is flat and smooth, without dark bubbles, pits, wrinkles, and cracks, and the overall color needs to be more unif...

The difference between straight seam welded pipe and spiral welded pipe

The difference between straight seam welded pipe and spiral welded pipe

Keywords :The difference between straight seam welded pipe and spiral welded pipe        Update : 2022-02-23        View(s) : 838

1. Metallurgical properties of the material The raw material of the spiral welded pipe is a hot-rolled coil, and the straight seam welded pipe is made of a steel plate socket. The weight of the alloy contained in the coil is less than that of the steel plate, and it is for this reason that the spi...

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