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Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116

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Construction preparation and inner wall anticorrosion before welding of large-diameter steel pipe

Construction preparation and inner wall anticorrosion before welding of large-diameter steel pipe

Keywords :Construction preparation and inner wall anticorrosion before welding of large-diameter steel pipe        Update : 2022-03-14        View(s) : 829

Construction preparation before welding of large diameter steel pipe : 1. Organize relevant operators, be familiar with construction drawings and regulations, formulate welding procedures, and compile welding operation instructions. 2. Welders should be trained in corresponding projects and h...

Inspection method for large diameter straight seam welded pipe

Inspection method for large diameter straight seam welded pipe

Keywords :Inspection method for large diameter straight seam welded pipe        Update : 2022-03-11        View(s) : 875

There are many methods for quality inspection of large-diameter longitudinally welded pipes , among which physical methods are also commonly used inspection methods. Physical inspection is a method of measuring or inspecting by using some physical phenomena. The inspection of the internal defects...

Precautions in the use of straight seam steel pipes

Precautions in the use of straight seam steel pipes

Keywords :Precautions in the use of straight seam steel pipes        Update : 2022-03-10        View(s) : 735

1. There are strict technical requirements for the installation and use of straight seam steel pipes , which need to be carried out according to the actual situation and operating procedures to ensure quality. The construction preparations before the use of straight seam steel pipes , to excavat...

How to choose submerged arc steel pipe

How to choose submerged arc steel pipe

Keywords :How to choose submerged arc steel pipe        Update : 2022-03-09        View(s) : 722

1. For pipelines with high peak shaving requirements, due to the uneven gas consumption of users, frequent  fluctuations in pipeline pressure, and great alternating stress on the steel pipe, the existing defects in the pipe  will expand under the alternating stress. For spiral welded s...

The correct way to store the spiral steel pipe

The correct way to store the spiral steel pipe

Keywords :The correct way to store the spiral steel pipe        Update : 2022-03-08        View(s) : 686

Maybe you have never paid attention to such details, you must choose a suitable venue and warehouse to save the spiral steel pipe . 1) The site or warehouse for storing spiral steel pipe products should be selected in a clean and well-drained place, away from factories and mines that generat...

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