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News
How are q345b seamless steel pipes of different sizes and diamet
Views: 134 May 20 , 2022
In our survival, the chance of Q345B seamless steel pipes is relatively high. Although its benefits are very nervous, but a large one -sided people are not inquiring about how it continues. These models below. The seamless steel pipe is very tight that the stuck pipe is placed simply into the pipe part. The two ends of the link are the...
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Describe the production process of seamless steel pipes - the de
Views: 131 May 19 , 2022
A steel production process - hot rolling, as the name suggests, hot rolling is relative to cold rolling, cold rolling is rolling below the recrystallization temperature, and hot rolling is above the recrystallization temperature. rolling. To put it simply, a billet is heated and rolled several times, then trimmed and straightened into a...
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Related Standard Index of Precision Seamless Pipe
Views: 175 May 13 , 2022
Precision seamless pipe is a kind of high-precision steel pipe material treated by cold drawing or hot rolling. Because the inner and outer walls of the precision steel pipe have no oxide layer, withstand high pressure without leakage, high precision, high finish, no deformation after cold bending, no expansion. Therefore, it is mainly...
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How is galvanized seamless steel pipe produced?
Views: 184 May 11 , 2022
Hot-dip galvanizing (galvanizing), also known as hot-dip galvanizing and hot-dip galvanizing: is an effective method of metal anti-corrosion, mainly used in metal structural facilities in various industries. It is to immerse the rust-removed steel parts in a molten zinc solution at about 500 ° C, so that the surface of the steel parts...
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Seamless steel pipe inspection report
Views: 143 May 09 , 2022
Seamless steel pipe is an important type of steel pipe, and the quality of seamless steel pipe also needs to be grasped. After the seamless steel pipe factory produces a batch of products, quality inspection is required. What are the main content and methods of the common seamless steel pipe quality inspection? Let's have a detailed...
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Precautions for high-pressure pipeline welding, the main points
Views: 149 Apr 27 , 2022
Alloy steel pipes are mainly used for high-pressure and high-temperature pipelines and equipment such as power plants, nuclear power, high-pressure boilers, high-temperature superheaters and reheaters. They are made of high-quality carbon steel, alloy structural steel and stainless heat-resistant steel. , by hot rolling (extrusion,...
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Precautions for high-pressure pipeline welding, the main points
Views: 158 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: 120 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: 139 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: 132 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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