• Post time: May-27-2020

    What are the factors related to the tightness of the inner coating and the tube? The type of heating equipment, heating method, fuel type, heating temperature, fineness of plastic powder; additive composition, etc. will all have a certain impact, but the key is still the external pretreatment. Un...Darllen mwy »

  • Post time: May-19-2020

    How to polish stainless Steel Pipe? 1.Grind down any welds that are still on the pipe. Use a grinding disc and grinder for this task. 2.Mount the pipe into a pipe vise or similar set-up. If you don’t have a professional pipe vise, you can use a regular vise wrapped with a towel or fitting w...Darllen mwy »

  • Post time: May-11-2020

    Butt welding flange is that the diameter and wall thickness of the interface end are the same as the pipe to be welded, just like the two pipes. The flat welding flange is a recess that is slightly larger than the outer diameter of the pipe at the interface, and the pipe is inserted and welded. B...Darllen mwy »

  • Post time: Apr-28-2020

    1.Welding process From the welding process, the welding method of galvanized spiral welded pipe and galvanized straight seam steel pipe are the same, but the straight seam welded pipe inevitably has many T-shaped welds, so the occurrence of welding defects is also greatly improved. Moreover; the ...Darllen mwy »

  • Post time: Apr-21-2020

    1.Spiral steel pipes of fixed length may not be bundled. 2.If the two ends of the spiral steel pipe are threaded, they should be protected by thread protectors. Apply lubricating oil or rust inhibitor to the screw. The openings at both ends of the spiral steel pipe can be equipped with nozzle pro...Darllen mwy »

  • Post time: Apr-16-2020

    3PE anti-corrosion steel pipe refers to a heat preservation and anti-corrosion method that guarantees that the internal temperature of the steel pipe and the surface temperature together in a different working environment to reduce or prevent corrosion and deterioration due to the chemical and el...Darllen mwy »

  • Post time: Apr-10-2020

    In order to ensure the safe operation of submarine pipelines during the designed life, the pipeline system shall fully prevent internal and external corrosion caused by the transport medium and seawater. (1)Outer coating Engineering practice proves that in actual seawater environments, the outer ...Darllen mwy »

  • Post time: Mar-25-2020

    Features of seamless pipe The thicker the wall thickness of a product, the more economical and practical it is. The thinner the wall thickness, the higher its processing cost. Secondly, the technology of the product determines its limited performance. Low: uneven wall thickness, low brightness on...Darllen mwy »

  • Post time: Mar-20-2020

    1.Cleaning Solvents and emulsions are used to clean the surface of steel to remove oil, grease, dust, lubricants and similar organic matter; but it cannot remove rust, scale (corrosion products formed by oxidation), welding flux etc. on the surface of steel, so Used only as an aid in antiseptic p...Darllen mwy »

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