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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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Straight seam steel pipe acceptance steps

Straight seam steel pipe acceptance steps

Keywords :Straight seam steel pipe acceptance steps        Update : 2023-11-02        View(s) : 643

1. The approval procedure for batch acceptance of straight seam steel pipes should meet the corresponding product standards. 2. Straight seam steel pipes should meet the corresponding product standards, including inspection items, sampling quantity, sampling location, and test methods. With...

Precautions when welding spiral steel pipe

Precautions when welding spiral steel pipe

Keywords :Precautions when welding spiral steel pipe        Update : 2023-10-31        View(s) : 522

It is imperative to weld and cut the spiral steel pipe structure in the application of spiral steel pipe. Because of the characteristics of the spiral steel pipe itself, the welding and cutting of the spiral steel pipe have its particularity compared with ordinary carbon steel, and it i...

Precautions for welding stainless steel pipe fittings

Precautions for welding stainless steel pipe fittings

Keywords :Precautions for welding stainless steel pipe fittings        Update : 2023-10-27        View(s) : 1

1. To prevent corrosion due to heating, the welding should not be too long, which is about 20% less than that of carbon steel electrodes. The arc should not be too long, and the layers will cool quickly. A narrow weld bead is preferred. 2. Stainless steel pipe fittings harden quickly after wel...

Acceptance standards and methods for spiral steel pipes

Acceptance standards and methods for spiral steel pipes

Keywords :Acceptance standards and methods for spiral steel pipes        Update : 2023-10-25        View(s) : 544

1. Principles for acceptance of spiral steel pipes : The quality inspection and acceptance of spiral welded pipes should be carried out by the supplier’s technical quality supervision department. The supplier must ensure that the delivered spiral welded pipes comply with the requirements of the c...

Steel pipe surface treatment methods for pipeline anti-corrosion operations

Steel pipe surface treatment methods for pipeline anti-corrosion operations

Keywords :Steel pipe surface treatment methods for pipeline anti-corrosion operations        Update : 2023-10-23        View(s) : 565

With the continuous development of my country's economy, the country is vigorously developing the energy industry. Long-distance oil and gas pipelines are an important way to ensure energy security. During the anti-corrosion construction process of oil (gas) pipelines, the surface treatment of steel...

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