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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

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Non-standard straight seam welded pipe processing method

Non-standard straight seam welded pipe processing method

Keywords :Non-standard straight seam welded pipe processing method        Update : 2023-04-03        View(s) : 323

There are many processing methods for non-standard straight seam welded pipes . Still, for non-standard straight seam welded pipes, more attention is paid to the strict control of the production process of high-quality and durable non-standard straight seam welded pipes, rather than the non-stand...

Causes of slag inclusions in the production of anti-corrosion spiral steel pipes

Causes of slag inclusions in the production of anti-corrosion spiral steel pipes

Keywords :Causes of slag inclusions in the production of anti-corrosion spiral steel pipes        Update : 2023-03-31        View(s) : 841

Anti-corrosion spiral steel pipe is made of low-carbon structural steel rolled into a tube blank according to the relative helix angle, and then the pipe seams are welded together. It is also called spiral steel pipe or spiral welded pipe. Anti-corrosion spiral steel pipe manufacturers will prod...

Identification method of fake and shoddy thick-walled seamless steel pipe

Identification method of fake and shoddy thick-walled seamless steel pipe

Keywords :Identification method of fake and shoddy thick-walled seamless steel pipe        Update : 2023-03-29        View(s) : 402

1. Shoddy thick-walled seamless steel pipes are prone to folding. Folding is a variety of fold lines formed on the surface of thick-walled seamless steel pipes, and this defect often runs through the longitudinal direction of the entire product. The reason for the folding is that the fake and in...

The service life of galvanized steel pipe fittings

The service life of galvanized steel pipe fittings

Keywords :The service life of galvanized steel pipe fittings        Update : 2023-03-27        View(s) : 279

The service life of galvanized steel pipe fittings is long, but the service life is different in different environments: 13 years in heavy industrial areas, 50 years in oceans, 104 years in suburbs, and 30 years in cities. The yellow water is directly caused by galvanizing. Due to the threaded c...

Packaging and storage of oil casing

Packaging and storage of oil casing

Keywords :Packaging and storage of oil casing        Update : 2023-03-23        View(s) : 394

According to the first edition of American Petroleum Institute standard APISPEC5CT1988, casing steel grades are H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P- 110, Q-125, a total of 10 types. Oil casing shall be supplied with threads and couplings, or with one of the following pipe ends: pla...

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