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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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Quality control of large diameter spiral steel pipe

Quality control of large diameter spiral steel pipe

Keywords :Quality control of large diameter spiral steel pipe        Update : 2023-09-08        View(s) : 208

Nowadays, energy saving has become the development theme of all countries in the world, so more environmentally friendly prefabricated direct-buried thermal insulation pipes are widely sought after by everyone, especially since the 1970s and 1980s, to save energy, reduce emissions, and reduce energy...

Introduction to common methods of steel pipe welding

Introduction to common methods of steel pipe welding

Keywords :Introduction to common methods of steel pipe welding        Update : 2023-09-06        View(s) : 1

At present, the commonly used methods for welding steel pipes are electrode arc welding (SMAW), submerged arc welding (SAW), gas tungsten arc welding (GTAW), gas melting arc welding (GMAW), flux cored arc welding (FCAW) and the following Several types such as directional welding. (1) The ad...

How to judge the quality of spiral steel pipe

How to judge the quality of spiral steel pipe

Keywords :How to judge the quality of spiral steel pipe        Update : 2023-09-04        View(s) : 1

1. From the surface of the spiral steel pipe , you can see whether the production process of the spiral steel pipe is exquisite. Generally, it is necessary to research and analyze spiral steel. The cross-section of fake and inferior spiral steel pipes is oval. The reason is that the manufacturer ...

What is the difference between an oil casing and an oil drill pipe

What is the difference between an oil casing and an oil drill pipe

Keywords :What is the difference between an oil casing and an oil drill pipe        Update : 2023-08-31        View(s) : 1

Oil casing is a steel pipe used to support the well wall of oil and gas wells to ensure the regular operation of the entire oil well during the drilling process and after completion. Each well uses several layers of casing according to different drilling depths and geological conditions. Cement ...

How should thick-walled steel pipes be stacked

How should thick-walled steel pipes be stacked

Keywords :How should thick-walled steel pipes be stacked        Update : 2023-08-30        View(s) : 1

1. The angle steel and channel steel should be stacked in the open air, that is, the mouth should face down, and the I-beam should be placed vertically. The I-channel surface of the steel should not face upward to avoid water accumulation and rust. 2. There should be a corresponding channel bet...

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