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  • ADIPEC EXHIBITION AND CONFERENCE 2023

      Exhibition name Abu Dhabi International Petroleum Exhibition and Conference (ADIPEC 2023) Time 2nd – 5th October 2023 Location UAE Booth 13791   ADIPEC is the world's largest and most inclusive gathering for the energy ind...
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  • 30 years anniversary activity in Bestar Steel

    30 years anniversary activity in Bestar Steel. Here is the first part in Beijing. to be continued. Here is the part of our member in the Beijing station. For the next part, we wait and see more activities.
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  • Specifications and uses of oil casing

    Specifications and uses of oil casing

    Application of oil casing: Oil casing is a kind of seamless steel pipe and an important piece of equipment for oil drilling. Its main equipment also includes drill pipe, core pipe and casing, drill collar, and steel pipe for small-diameter drilling. The domestic casing is made...
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  • Annealing, normalizing, quenching, and tempering of steel pipes

    Annealing, normalizing, quenching, and tempering of steel pipes

    Annealing of steel pipe: Heating the steel pipe to a certain temperature and keeping it warm for some time, and then cooling it slowly is called annealing. The annealing of steel pipe is a heat treatment method in which the steel pipe is heated to the temperature at which phas...
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  • What are the classifications of spiral steel pipe welded pipes

    What are the classifications of spiral steel pipe welded pipes

    Welded steel pipe, also known as welded pipe, is a steel pipe made of steel plate or steel strip after crimping and welding. Welded steel pipe has a simple production process, high production efficiency, many varieties and specifications, and less equipment investment, but its...
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  • Seamless steel pipe for hydraulic cylinder

    Seamless steel pipe for hydraulic cylinder

    Seamless steel pipes for hydraulic cylinders are seamless steel pipe products used in hydraulic cylinders. Hydraulic cylinders can be divided into piston cylinders, plunger cylinders, and swing cylinders in the structure. Cylinders can be divided into piston cylinders, film cy...
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  • Four quality inspections of stainless steel elbow welding

    Four quality inspections of stainless steel elbow welding

    1. Appearance inspection: Generally, it is mainly observed with the naked eye, sometimes with a magnifying glass 5-20 times. Through visual inspection, surface defects of welded stainless steel elbow welds can be found, such as undercuts, welding tumors, surface cracks, pores,...
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  • Alloy steel pipe details

    Alloy steel pipe details

    The performance of alloy steel pipe is much higher than that of ordinary seamless steel pipe. (1) Raw materials are strip steel coils, welding wires, and fluxes. Before putting into use, they must go through strict physical and chemical tests. (2) The head-to-tail butt joint o...
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  • Causes and preventive measures of single side undercut of submerged arc welded steel pipe

    Causes and preventive measures of single side undercut of submerged arc welded steel pipe

    In the production process of submerged arc welded steel pipes, especially in high-speed welding, the undercut has become the main defect in the production process of spiral submerged arc welded steel pipes. The defect of undercut mainly has the following surface forms: single-...
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