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News
Precautions for high-pressure pipeline welding, the main points
Views: 97 Apr 27 , 2022
High-pressure pipelines are used in high-pressure chemical production processes, and the more important ones are synthetic ammonia production, urea production, methanol production, and petroleum hydrocracking.
In modern industry, high-pressure pipelines are widely used. Many chemical production processes have adopted high pressures...
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National standard spiral steel pipe
Views: 97 Apr 21 , 2022
At present, due to the more and more extensive application fields of pipeline transportation in China, the demand for thermal insulation and anti-corrosion of steel sleeve steel pipes of national standard spiral steel pipes has gradually increased, and the production processes of major anti-corrosion steel pipe manufacturers have...
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Uses of stainless steel pipes
Views: 99 Apr 20 , 2022
Stainless steel pipe is a kind of hollow long round steel, which is mainly used in industrial transportation pipelines such as petroleum, chemical industry, medical treatment, food, light industry, mechanical instrument, etc., as well as mechanical structural components. In addition, when the bending and torsional strength are the same,...
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Introduction of seamless steel pipes and high pressure boiler st
Views: 85 Apr 18 , 2022
Generally used seamless steel pipe: it is made of 10, 20, 30, 35, 45 and other high-quality carbon steel 16Mn, 5MnV and other low-alloy structural steel or 40Cr, 30CrMnSi, 45Mn2, 40MnB and other alloy steel hot-rolled or cold-rolled. Seamless steel pipes made of low carbon steel such as 10 and 20 are mainly used for fluid transmission...
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Technical requirements for large diameter spiral steel pipe manu
Views: 80 Apr 14 , 2022
Spiral steel pipe is a spiral seam steel pipe made of strip steel coil as raw material, often warmly extruded, and welded by automatic double-wire double-sided submerged arc welding process. The spiral steel pipe feeds the strip into the welded pipe unit. After being rolled by multiple rollers, the strip is gradually rolled up to form a...
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The use of Q235C seamless steel pipe can save more cost
Views: 82 Apr 13 , 2022
As the saying goes, "Shop around", everyone will go through a lot of comparisons when purchasing pipes, comparing price, quality, compression resistance, and corrosion resistance. After comparison, we will find that although the price of Q235C seamless steel pipe is higher than that of ordinary steel pipe, its quality is much better...
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What is a large diameter spiral steel pipe
Views: 87 Apr 11 , 2022
Large-diameter spiral steel pipe is a general name, generally refers to a spiral steel pipe with a diameter greater than 1 meter. Spiral steel pipes are formed by bending steel strips and then welded. The steel pipe needs to be tested for water pressure, bending and flattening, and has certain requirements on the surface quality. Usually,...
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High pressure boiler tubes and their uses
Views: 97 Apr 01 , 2022
High pressure boiler tube is a kind of boiler tube, which belongs to the category of seamless steel pipe. The manufacturing method is the same as that of seamless pipes, but there are strict requirements on the steel grades used to manufacture steel pipes. High-pressure boiler tubes are often used in high temperature and high pressure...
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How to control the heat preservation time of seamless steel pipe
Views: 90 Mar 25 , 2022
Seamless steel pipe occupies an important position in the national social economy. Maybe everyone doesn't understand it very well, but it has been widely used in petroleum and chemical management, which has brought a new experience to people's lives. Great convenience. Seamless steel pipes are also divided into many categories in my...
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Problems in application of fire retardant coating for plastic-co
Views: 89 Mar 18 , 2022
The plastic-coated steel pipe is a circular columnar design structure
The plastic-coated steel pipe usually cannot be shipped in a hurry after the manufacture. At this time, it is necessary to temporarily accumulate the pipes. The accumulation method of the plastic-coated steel pipe is very careful. Because the plastic-coated steel...
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