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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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Surface defects of seamless steel pipes and their causes

Surface defects of seamless steel pipes and their causes

Keywords :Surface defects of seamless steel pipes and their causes        Update : 2022-04-08        View(s) : 889

The causes of surface defects of seamless steel pipes are intricate and complicated. There are hundreds of influencing factors listed. Sometimes there are dozens of factors for the same defect, and the generation of defects has a great relationship with the steel type. This is why the production...

Identification method and technological process of fake and inferior steel pipes

Identification method and technological process of fake and inferior steel pipes

Keywords :Identification method and technological process of fake and inferior steel pipes        Update : 2022-04-06        View(s) : 908

1. Fake and inferior thick-walled steel pipes are prone to folding. Folds are various fold lines formed on the surface of thick-walled steel pipes , and this defect often runs through the longitudinal direction of the entire product. The reason for the folds is that the counterfeit and inferior...

What are the types of trenchless repair technologies for steel pipelines

What are the types of trenchless repair technologies for steel pipelines

Keywords :What are the types of trenchless repair technologies for steel pipelines        Update : 2022-04-01        View(s) : 839

There are 3 categories of trenchless repair technologies for steel pipelines (including more than 10 process technologies) First is to use the resin curing method to form a new drainage steel pipeline inside the steel pipeline , such as CIPP, on-site curing, and other processes; The secon...

Application of spiral steel pipe in the urban pipeline

Application of spiral steel pipe in the urban pipeline

Keywords :Application of spiral steel pipe in the urban pipeline        Update : 2022-03-30        View(s) : 834

Spiral steel pipe is usually used in urban drainage pipelines. The use of spiral steel pipes in urban drainage pipeline systems is the comprehensive arrangement of urban water supply, water supply, water use, drainage, sewage treatment, and other pipeline systems and their various components w...

Analysis of Corrosion Causes of Steel Pipes

Analysis of Corrosion Causes of Steel Pipes

Keywords :Analysis of Corrosion Causes of Steel Pipes        Update : 2022-03-28        View(s) : 949

Corrosion of steel pipes is mainly divided into two categories: internal corrosion and external corrosion. External corrosion is mainly due to the corrosion caused by the connection between the pipeline material and the external environment such as soil, seawater, atmosphere, and other corr...

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