Company news

  • Post time: 01-14-2020

    When choosing a straight seam steel pipe, we must first pay attention to the material. When we inspect the goods, we must first determine whether the material is qualified. The second is to see if the wall thickness of the straight seam steel pipe reaches the required wall thickness. Whether the ...Read more »

  • Post time: 01-09-2020

    Welded steel pipe, also called welded pipe, is a steel pipe made by welding steel plates or steel strips after being crimped. The production process of welded steel pipe is simple, the production efficiency is high, there are many varieties and specifications, and the equipment cost is small. Sin...Read more »

  • Post time: 12-31-2019

    Large-diameter spiral steel pipe is that spiral pipe that use steel strip coil as raw material, often warm extrusion molding, two-wire double-sided submerged arc welding(dsaw) process automatically welded, raw material is strip volume, wire, flux. The input to go through need rigorous physical an...Read more »

  • Post time: 12-27-2019

    According to the technical requirements of different manufacturers, steel length measuring system has a variety of methods. Mainly as follows: 1,grating length measurement The basic principle is: set two fixed-length steel grating in the outer ends of each pipe, use rod I ess cylinder drive the g...Read more »

  • Post time: 12-19-2019

    High-frequency electric resistance welding (ERW) steel pipe production, internal weld surface treatments are generally incomplete curettage (left weld reinforcement) and complete curettage (scraping will form the inner surface of the groove) in two ways, and the results were not ideal, will affec...Read more »

  • Post time: 12-11-2019

    Anti-corrosion steel pipe is processed through the preservation process, which can effectively prevent or slow down the process in the transport and use of chemical or electrochemical corrosion reaction of steel pipe. Anti layer structure Anti-corrosion steel pipe in the country is mainly used fo...Read more »

  • Post time: 12-04-2019

    Miao Changxing, the first-level inspector of the Industrial Policy Department of the Ministry of Industry and Information Technology, said at the 2019 (eighth) China Steel Technology and Economy High-end Forum hosted by the Metallurgical Industry Planning Research Institute and the Chinese Metal ...Read more »

  • Post time: 11-28-2019

    Weld pipe weld porosity affects not only the pipeline denseness, resulting pipeline leakage and corrosion will be induced point seriously reduce the weld strength and toughness. Factors weld porosity are: the flux in the water, dirt, oxide and iron filings, welding ingredients and cover thickness...Read more »

  • Post time: 11-21-2019

    3PE anti-corrosion steel pipe for buried pipeline life is critical, the same material pipes buried in the ground for decades and some non-corrosive, and some years it leaks occur. Because they use different outer coating. In which ordinary steel for use in harsh environmental conditions, there wi...Read more »

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