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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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What are the insulation methods of anti-corrosion steel pipes

What are the insulation methods of anti-corrosion steel pipes

Keywords :What are the insulation methods of anti-corrosion steel pipes        Update : 2022-04-02        View(s) : 819

Anti-corrosion steel pipe is a common steel pipe. In order to slow down and prevent the steel pipe from corroding and depreciating under the chemical and electrochemical action of internal and external media, or due to the metabolism of microorganisms, it is necessary to do a good job of anti-co...

Classification of the quality of large-diameter longitudinally welded pipes

Classification of the quality of large-diameter longitudinally welded pipes

Keywords :Classification of the quality of large-diameter longitudinally welded pipes        Update : 2022-03-31        View(s) : 769

The application of large-diameter longitudinally ERW welded pipes has become very common in people's lives, so do you know what grades the quality of large-diameter longitudinally ERW welded pipes can be divided into? The following will introduce the specific content to you. Generally, th...

Large diameter steel pipe connection method and cleaning method

Large diameter steel pipe connection method and cleaning method

Keywords :Large diameter steel pipe connection method and cleaning method        Update : 2022-03-29        View(s) : 766

Cleaning method of large diameter steel pipe : 1. Shot blasting and rust removal: The high-power motor drives the blades to rotate at a high speed so that abrasives such as steel sand, steel shot, wire segments, and minerals are sprayed and blasted on the surface of the steel pipe under the act...

Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe welding

Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe welding

Keywords :Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe welding        Update : 2022-03-25        View(s) : 1092

The welding seam of the spiral steel pipe is longer than that of the straight seam steel pipe . If the pipe length is L, the welding seam length is L/cos(θ). The vast majority of steel pipe defects are concentrated in the weld and heat-affected zone. The long weld means that the probability of ...

The phenomenon of fake and inferior thick-walled steel pipes

The phenomenon of fake and inferior thick-walled steel pipes

Keywords :The phenomenon of fake and inferior thick-walled steel pipes        Update : 2022-03-23        View(s) : 688

1. Fake and inferior thick-walled steel pipes are prone to folding. 2. Fake and inferior thick-walled steel pipes often have pockmarked surfaces. 3. Fake and inferior thick-walled steel pipes are prone to scarring on the surface. 4. Fake and inferior materials are prone to cra...

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