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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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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) : 657

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) : 479

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) : 582

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...

How to prolong the service life of spiral steel pipe

How to prolong the service life of spiral steel pipe

Keywords :How to prolong the service life of spiral steel pipe        Update : 2023-03-21        View(s) : 517

To prolong the service life of the spiral steel pipe , the first thing that should be thought of is to do a good job in the anti-corrosion work of the spiral steel pipe. Because the spiral steel pipe is mostly stored outdoors, it is the easiest to rust after experiencing wind and rain, so it is c...

The processing method of steel pipe

The processing method of steel pipe

Keywords :The processing method of steel pipe        Update : 2023-03-17        View(s) : 576

Steel pipe processing furnace: 1. In the process of heat treatment, the workpiece that is easy to deform should be stopped on the special fixture 2. The workpiece should be placed in the effective heating zone Warm-up: 1. For workpieces with complex shapes or sharp changes in cross-se...

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