SHINESTAR STEEL GROUP CO., LTD

盛仕达钢铁股份有限公司

Industry News

  • Disadvantages of steel pickling process

    Disadvantages of steel pickling process

    Pickling is widely used in hot-rolled sheet metal blank that the removal of surface oxide scale, such as hot-rolled steel pipe in need of phosphate or other surface coating before processing to remove iron oxide; welded pipes in galvanized or other hot-dip galvanizing, plating surface preparation...
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  • Heat treatment process for steel pipe

    Heat treatment process for steel pipe

    The quality of heat treatment is directly related to subsequent processing quality and eventually affect the performance and life of the parts, heat treatment is the energy consumption of the machinery industry big polluters. In recent years, with the advancement of science and technology and its...
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  • Analysis of welded pipe pressure burst

    Analysis of welded pipe pressure burst

    Delivery with steel pipes have been more and more widely used in various industries, and steel pipe multi-buried in damp underground, which has strict requirements for the use of performance of the steel pipe. Existing heat transmission with welded pipe leak in use, check the steel pipe partial s...
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  • Eddy current testing(ET)

    Eddy current testing(ET)

    Eddy current testing(ET) use the principle of electromagnetic induction to detect a flaw detection method of the conductive member surface and near-surface defects. Its principle is based on the excitation coil so that the conductive member generates eddy currents, by means of determination of th...
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  • Galvanized coating on pipe surface

    Galvanized coating on pipe surface

    Galvanized coating has a number of characteristics that make it a well-suited corrosion protective coating for iron and steel products in most environments. Th excellent field performance of Galvanized coating results from its ability to form dense, adherent corrosion product films of corrosion c...
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  • High frequency pipe manufacturing control

    High frequency pipe manufacturing control

    1.The pipe weld gap control Adjust the amount of squeezing rollers squeeze, so keep the flush weld ends, the opening angle of 7 degrees or less, the weld gap control between 1-3 mm. Weld control is too large, it may appear bad, weld cracking to produce incomplete fusion or weld control is too sma...
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  • Comparison of high frequency induction welding with high-frequency resistance welding

    Comparison of high frequency induction welding with high-frequency resistance welding

    High-frequency resistance welding basic principle: a pair of electrodes two leg edge contact with the tube, directly to the edge of the input frequency current tube, using high frequency current of the skin effect and proximity effect, so that the current is highly concentrated in the edge of the...
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  • Application of Protection coating for reinforced concrete

    Application of Protection coating for reinforced concrete

    Changes of concrete alkaline state would destroy the steel surface of the passive film, then there reinforcement the localized corrosion. Corrosion of reinforcement is reinforced concrete structure damage and one of the main causes of early failure. With domestic steel corrosion in concrete struc...
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  • Transverse crack weld

    Transverse crack weld

    Transverse crack weld in weld metal solidification crystallization process produces. Solidification, low melting point eutectic enrichment at the grain boundaries, a “liquid film”, due to the weld solidification shrinkage by tensile stress, eventually cracking the formation of cracks,...
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