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  • Caliber classification basis for seamless steel tubes

    Caliber classification basis for seamless steel tubes

    If the seamless steel pipe is used for water, gas conveying pipe, the project diameter is the inner diameter, the unit is: mm, inch; If it is used as welded steel pipe, the nominal diameter is outer diameter (outer diameter × wall thickness), and the unit is mm. The diameter of any pipe can be di...
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  • Selection of process form of cold-drawn seamless steel tube

    Selection of process form of cold-drawn seamless steel tube

    Cold rolling/cold drawing is the production method of seamless steel tube, there are cold rolling + cold drawing and other mixing modes. Cold drawing equipment is simple, less investment, simple operation and maintenance. Cold rolling equipment complex, investment, less intermediate process, ...
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  • High pressure seamless pipe production mode

    High pressure seamless pipe production mode

    Seamless steel pipe plays an extremely important role in some fields. Due to the particularity of material selection, the production material needs to have greater density. The greater the density, the better the quality, seamless steel pipe after high pressure pressing, will make the whole with ...
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  • Mechanical properties testing of medium thickness steel plate

    Mechanical properties testing of medium thickness steel plate

    Medium thickness steel products have a wide range of applications including shipbuilding, construction, large diameter welded pipe and boiler. Generally, the thickness of medium thickness steel plate is between 10 mm and 200 mm. The detailed information Medium thickness steel products have a wide...
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  • Galvanized plate and aluminum zinc plate difference

    Galvanized plate and aluminum zinc plate difference

    Aluminum zinc plate is not the same as the difference between coating, the surface of galvanized sheet evenly distributed with a layer of zinc materials, the anode protection effect to the parent metal, that is, alternative corrosion of zinc materials, protect the use of parent metal, in this cas...
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  • The difference between hot galvanized sheet and cold galvanized sheet?  Galvanizing method of hot-dip galvanized sheet?

    The difference between hot galvanized sheet and cold galvanized sheet? Galvanizing method of hot-dip galvanized sheet?

    From the material, hot galvanized sheet and cold galvanized sheet two galvanized sheet composition are basically similar. The difference is that the cold galvanized sheet is thinner than the hot galvanized sheet, the surface quality is better, the process is more complex. The price is higher. F...
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  • Introduction of production advantages of seamless steel tube

    Introduction of production advantages of seamless steel tube

    Seamless steel pipe production advantages, I hope our introduction can better help you. Seamless pipe is actually relative to weld welded pipe. Because this kind of pipeline production method is more special, so the surface of this kind of pipeline is not any welding gap, so compared with straigh...
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  • The production process of welded pipe welding

    The production process of welded pipe welding

    Welded pipe refers to the steel pipe with joint on the surface which is made of steel strip or steel plate bent and deformed into circular or square shape. The blank used for welded pipe is steel plate or strip steel. How can the steel strip or plate be welded together? What are the welding skill...
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  • Heat treatment process of seamless steel tube

    Heat treatment process of seamless steel tube

    I don’t know the way much you recognize about seamless steel pipe? Seamless steel tubes are circular, square and rectangular hollow section steel tubes without external joints. Seamless steel tube is formed of steel ingot or solid tube billet through perforation into capillary tubing. it...
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  • How to ensure the processing quality of spiral welded steel pipe

    How to ensure the processing quality of spiral welded steel pipe

    Generally speaking, spiral welded steel pipe in the market there are two kinds of national standard and non-standard, because of the different technical process and reference quality standards in the process of processing, often in the factory quality will also have differences. Therefore, for th...
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  • In general, how to choose stainless steel precision tube density?

    In general, how to choose stainless steel precision tube density?

    Stainless steel precision tube is generally used in precision instruments or medical devices, not only the price is relatively high, but also usually used in key equipment and instruments, so the material and precision requirements of precision stainless steel tube and surface finish requirements...
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  • How are welded steel pipes made

    How are welded steel pipes made

    Steel pipe production technology development began with the increase of the bicycle manufacturing, oil development within the early 19th century, two world wars ships, boilers, aircraft manufacturing, after the second war thermal power boiler manufacturing, industry and therefore the development ...
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