News

  • 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...
    Read more
  • Mechanical properties of seamless steel tubes

    Mechanical properties of seamless steel tubes

    The mechanical property of steel is an important index to ensure the performance of steel body, which depends on the chemical composition of steel and the heat treatment system. In the seamless steel pipe standard, according to the different requirements of use, the provisions of tensile, hardnes...
    Read more
  • 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, ...
    Read more
  • What matters should be paid attention to when Angle steel is installed and stored?

    What matters should be paid attention to when Angle steel is installed and stored?

    One, storage needs to pay attention to: 1. The steel with serious rust should not be kept for a long time after rust removal and should be used as soon as possible. Materials should be careful to prevent rain or mixed with impurities before storage. 2. The material that has touched water should b...
    Read more
  • 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 ...
    Read more
  • 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...
    Read more
  • Low alloy steel plate maintenance paint rust removal process?

    Low alloy steel plate maintenance paint rust removal process?

    1, the structure of low alloy steel plate: high strength high temperature resistant material, plate type soft, at the same time has a certain health, the thickness of the plate is different, constitute different subdivision structure; 2, the traditional maintenance of low alloy steel plate: clean...
    Read more
  • 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...
    Read more
  • Features of high quality processing of thick wall seamless steel pipe

    Features of high quality processing of thick wall seamless steel pipe

    The surface roughness of thick-wall seamless steel pipe is required in the specification, and the general regulation cannot have the disadvantages of application harm, such as stratification, scab, gap, etc. The tolerance standard of geometric shape error of thick-walled seamless steel pipe is a...
    Read more
  • 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...
    Read more
  • 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...
    Read more
  • Method of cleaning seamless steel pipe

    Method of cleaning seamless steel pipe

    The cleaning method of seamless steel pipe, I hope our introduction can better facilitate your. I. Cleaning of steel pipe The use of solvent, emulsion cleaning wear-resistant tube, wear-resistant ceramic tube, ceramic tube, ceramic composite tube surface, so as to realize the removal of oil, grea...
    Read more