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  • [Industry News] The recovery of precision seamless tube steel prices

    The recovery of precision seamless tube steel prices is still in a weak stage Although the futures market is inseparable from the role of capital, the market for precision seamless pipes in 2016 is different from that in 2015. Changes in the supply side may be the main reason for the increase in prices of the entire black industry chain.

  • [Industry News] Did you know that there are two kinds of seamless steel pipes?

    The seamless steel pipe for structure adopts two structures: general structure and mechanical structure. However, as we all know, many people often confuse fluid seamless steel pipes with seamless steel pipe structures. In fact, these two pipelines are completely different. The following briefly introduces the basic knowledge of seamless steel pipe structure to understand its overall situation.

  • [Industry News] What are the details of large-diameter steel pipes before use?

    The welding method of large-diameter steel pipes should be selected according to the material and wall thickness of large-diameter steel pipes. Because different welding methods have different arc heat and arc force, different welding methods have different characteristics.For example, tungsten arc

  • [Industry News] Cold-drawn thick-walled seamless steel tube manufacturing process

    The rolling method of cold drawn (rolled) thick-walled seamless steel pipe is more complicated than that of hot-rolled (extruded thick-walled seamless steel pipe). Large-caliber boiler tubes have a hollow section and their length is much longer than the diameter or circumference of steel.According t

  • [Industry News] Corrosion performance of welded steel pipe

    Welded steel pipes refer to steel pipes with seams on the surface that are welded by steel strips or steel plates that are bent into round or square shapes. The blanks used for welded steel pipes are steel plates or strip steels.T-welded steel pipes have strong corrosion resistance in acidic environ

  • [Industry News] Classification and characteristics of seamless steel pipe structure

    The seamless steel pipe structure currently used in the project can be classified according to the cross-sectional shape, structural form and manufacturing method. According to the cross-sectional form, seamless steel pipe structure can be divided into three types: round pipe structure (CHS), square

  • [Industry News] What paint can't get off the galvanized steel pipe?

    The surface of the galvanized steel pipe is very smooth, and the base material will also rust during long-term use. In order to ensure the normal use of the galvanized pipe, painting can be used to better protect the metal.However, for galvanized steel pipes, most paints have poor adhesion to the ga

  • [Industry News] How to prevent aging of the elbow?

    With the development of manufacturing technology, there are more and more types of elbows, such as stainless steel elbows, cast iron elbows, etc.These types of elbows are suitable for different environments. Some elbows have high strength, some have high insulation performance, and some have the adv

  • [Industry News] How to choose thick-walled straight seam steel pipe?

    Thick-walled straight seam steel pipe refers to a steel pipe whose outer diameter to wall thickness ratio is less than 20, which is called thick-walled straight seam steel pipe. Mainly used as petroleum geological drill pipe, petrochemical decomposition pipe, boiler pipe, bearing pipe, automobile, t

  • [Industry News] Flange: Features and precautions of different specifications

    What are the characteristics and precautions of different specifications of high pressure flanges? Let us find out. Flanges are disc-shaped parts and are most common in pipeline engineering.Flanges are used in pairs and used in conjunction with matching flanges on the valve. In pipeline engineering,

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