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  • Why does PPGL appear to explode paint

    Why does PPGL appear to explode paint

    Because now the weather is getting colder and colder, a lot of places a lot of different types of ppgl have appeared the phenomenon of exploding paint, so this is really the weather, in fact, is not all, today, we will tell you the reason. 1, passivated plate temperature production process is to ...
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  • What are the applying industries of PPGI?

    PPGI, a product made by uncoiling, seaming, degreasing, pretreatment, priming, baking, cooling, and coiling. it’s light weight, beautiful appearance and good corrosion resistance, and may be directly processed. It provides a replacement variety of staple for the development industry, indust...
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  • Causes and treatment of tarnish on the surface of Printed steel coil

    Causes and treatment of tarnish on the surface of Printed steel coil

    Printed steel coil is compared with gloss surface and matte caused reason is various, everyone at the time of production and processing to pay attention to find the cause of matt and get rid of, otherwise the use effect of product will be affected by certain influence, the following is to introdu...
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  • Influence factors on anneal brightness of 304 stainless steel tube

    Influence factors on anneal brightness of 304 stainless steel tube

    The purpose of bright annealing furnace is mainly used for the heat treatment process of finished products under the condition of the protection of 304 stainless steel pipe material. When the performance requirements are different, the metallographic structure requirements after bright annealing ...
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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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  • 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...
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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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  • 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...
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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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  • 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...
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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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