Maintenance and application of carbon steel pipe

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zhangdaohui

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Tham gia
4 Tháng tám 2020
Bài viết
309
Điểm
18
Địa chỉ
China
The surface treatment of carbon steel pipe is one of the key factors that determine the anti-corrosion service life of the pipeline, and it is the prerequisite for whether the anti-corrosion layer and the carbon steel pipe can be firmly combined. Here is an introduction to the maintenance and application areas of carbon steel pipes.


Carbon steel pipe maintenance and maintenance


1. Cleaning of carbon steel pipe


Use solvents and emulsions to clean the steel surface to remove oil. But it cannot remove the rust, oxide scale, welding flux, etc. on the surface of the steel, so it plays an auxiliary means in the production of anti-corrosion.


2. Pickling of carbon steel pipe


Generally, two methods of chemical and electrolysis are used for pickling treatment, and sometimes it can be used as a retreatment after sandblasting and rust removal. Pipeline anticorrosion only uses chemical pickling, which can remove oxide scale, rust, and old coatings. Although chemical cleaning can achieve a certain degree of cleanliness and roughness on the surface, its anchor lines are shallow and it is easy to pollute the environment.


3. Tools for carbon steel pipe rust removal


Mainly use tools such as wire brushes to polish the steel surface, which can remove loose or warped oxide scale, rust, welding slag, etc. If the steel surface is attached with strong iron oxide scale, the tool rust removal effect is not ideal, and the anchor pattern depth required for anti-corrosion construction cannot be achieved.


Application fields of carbon steel pipe


1. pipes for pipes


Such as: seamless pipes for water, gas pipes, steam pipes, oil transportation pipes, and oil and gas trunk lines. Agricultural irrigation water taps with pipes and sprinkler irrigation pipes, etc.


2. Carbon steel pipes for thermal equipment such as boiling water pipes, superheated steam pipes, small smoke pipes, arched brick pipes for general boilers, superheated pipes, large smoke pipes for locomotive boilers, and high temperature and high pressure boiler pipes.


3. Pipes for machinery industry


such as tractor oil cooler pipes, square and rectangular pipes for agricultural machinery, transformer pipes, and bearing pipes.


4. Carbon steel pipe for chemical industry


Such as: petroleum cracking pipes, rusty acid-resistant pipes, high-pressure pipes for fertilizers, heat exchangers for chemical equipment, pipes for pipelines, and pipes for transporting chemical media.


5. Pipes for petroleum geological drilling


Such as: oil drilling pipes, oil drill pipes, drill stems, oil tubing, oil casing and various pipe joints, geological drilling pipes.


6. Other tubes


Such as: container tube, watch case tube, instrument tube, injection needle and medical device tube, etc.


Using carbon steel pipes to make building structural grids, pillars and mechanical supports can reduce weight. Carbon steel pipes are not only used to transport fluids and exchange heat, powdered solids, make mechanical parts and containers, but also an economical steel. And it can realize factory mechanized construction. The above is about the maintenance of carbon steel pipes and the advantages of its application fields. I hope it can be helpful.
 

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