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盛仕达钢铁股份有限公司

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  • High pressure boiler tube pickling and phosphating process

    High pressure boiler tube pickling and phosphating process

    High pressure boiler tube chemical degreasing 1) chemical degreasing take the way of tank soak, in addition to the oil sump with steel production, the inner wall of the shop PVC or polyethylene. 2) Use of nitric acid of 12 to 15% (by ​​volume) chemical degreasing treatment, a temperature of 40 ° ...
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  • ERW Steel Pipe and LSAW Steel Pipe

    ERW Steel Pipe and LSAW Steel Pipe

    ERW steel pipe stand for Electric Resistance welded steel pipe. ERW steel pipes are used in various engineering purposes and Agricultural purposes. The standard of ERW structural steel pipes are limit, only high-quality, low-carbon steel is used. High performances of ERW steel pipes bring many ad...
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  • Electrode for resistance welding

    Electrode for resistance welding

    Resistance welding spot welding, seam welding, projection welding and butt welding all need to use the consumable electrode, although the shape of the electrodes are not identical, however, which is used to weld a transmission welding current and welding stress in the welding process. Some weldin...
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  • Identification of fake spiral steel pipe

    Identification of fake spiral steel pipe

    Identification of fake spiral steel pipe 1. Inferior spiral pipe prone folding. Folding is formed on the surface of a variety of spiral steel fold, this defect is often throughout the product’s portrait. The reason is due to the poor quality manufacturers folding pursuit of high efficiency,...
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  • HDPE lined steel pipe

    HDPE lined steel pipe

    HDPE lined steel pipe slightly larger than the outer diameter of tube technology is the main channel diameter HDPE liner, after necking, making cross-section smaller than the cross-sectional area of the main channel, in the role of traction quickly insert the main channel. Rely on their memory ch...
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  • Galvanized steel pipe welding technology

    Galvanized steel pipe welding technology

    Galvanized steel welding characteristics: Galvanized steel pipe is generally in the low-carbon steel outer layer of zinc-plated, galvanized layer is generally in the 20um thick. Melting point of zinc in 419 °C, bp 908 °C or so. In welding, the zinc melted into the liquid floating on the surface o...
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  • Features of high-strength structural steel

    Features of high-strength structural steel

    Due to the high-strength structural steel pipe is formed of high strength steel having a large moment of inertia and flexural modulus, in particular on the requirements of the application due to the need for cold bending processing after the pre-punched, the material would be formed on the surfac...
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  • Disadvantage and defect of resistance welding

    Disadvantage and defect of resistance welding

    Resistance welding is pressed welders parts between the two electrodes, and go through to the current use of resistance heat generated by current flowing through contact with the workpiece surface and the neighboring regions to be heated to the melting or plastic state, so as to form metal-bindin...
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  • Galvanized Seamless Pipe

    Galvanized Seamless Pipe

    Classification of galvanized seamless pipe Galvanized seamless pipe is divided into cold-plated steel seamless pipe and hot dip seamless pipe. Hot dip seamless pipe The Redu seamless pipe is to make the molten metal and iron substrate reaction, the alloy layer, so that the substrate and coating c...
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  • ERW pipe welding defects

    ERW pipe welding defects

    ERW pipe is the fastest and most efficient tube method, but when produced, there are a variety of high frequency tube welding defects. Analysis of the frequency of inclusions in steel production, the pre-arc fusion inadequate inadequate edge fusion, central fusion deficiencies, stick welding, cas...
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  • 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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  • API 5L Linepipe spec

    API 5L Linepipe spec

    1 Scope 1.1 This specification covers sesamless and welded steel line pipe. It includes standard-weight and extra-strong threaded line pipe. It includes standard-weight and extra-strong threaded line pipe; and standard-weight plain-end,regular-weight plain-end, special plain-end, extra-strong pla...
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