Steel pipes, flanges, pipe fittings, and valves are an indispensable and important part of industrial production, whose role is to control the flow and pressure of fluid medium. The steel pipes, flanges, pipe fittings, and valves industry includes the manufacture, sale, and service of valves, pipes ...

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The failure mechanism of the steam flange sealing structure is complex. Given the combination of theories, the causes of steam flange sealing failure are analyzed comprehensively. The solution of using high temperature sealing grease and disc spring is put forward. After several years of operation, ...

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Understanding Flange Corrosion The world of fluid transportation relies heavily on the robustness of flange connections in pipeline systems. When it comes to transporting potentially harmful chemical substances or basic water supplies, the integrity of these systems is paramount. Any leakage, pr ...

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The flaw detection of Q345D steel plate in a certain steel plant was analyzed using low magnification testing, metallographic testing, scanning electron microscopy, and energy dispersive spectroscopy. The results indicate that central component segregation, inclusions, abnormal structures, and crac ...

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To prevent the wrinkling problem during stainless steel cold bending, the advantages and reasonable application range of cold bending methods were first investigated and evaluated from the perspective of pipe manufacturing standardization. Then, the “thin” wall conditions and i ...

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The effects of solid solution treatment on the organization and properties of Incoloy 825 alloy were studied by metallographic analysis, tensile test, and intergranular corrosion test. The results show that with the increase of solid solution temperature, the grains of Incoloy 825 alloy tend to g ...

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[Purpose] To meet the needs of recent European power station construction, it is urgent to understand the requirements of European pipelines and pipe fittings standards in power station engineering. [Method] For pipe fittings, compare the corresponding clauses of European pipe fitting standards w ...

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The microstructure, mechanical properties and corrosion resistance of Incoloy 825 alloy after solution treatment at different temperatures were studied by scanning electron microscope, transmission electron microscopy, Brinell hardness tester and tensile testing machine. The results show that when ...

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The selection of piping materials in the design process of the chemical design stage is very important, which not only affects the quality and safety of chemical products but also affects the production efficiency and the chemical production process, and product quality. Therefore, this paper first ...

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In view of the generally small diameter of chemical test equipment piping, the construction process of chemical small diameter piping is combined with the thesis case, and the construction preparation, prefabrication and field assembly of chemical small diameter piping, as well as the construction ...

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Small-diameter pipes are increasingly widely used, and the quality of their welds depends on the safety of the entire system. This paper mainly discusses the method of focusing, the choice of focal length and transmission range, the choice of exposure parameters, and some processing techniques for ...

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This paper introduces the pressure equipment pressure pipeline ultrasonic inspection process in the “non-destructive testing of pressure equipment (Part III ultrasonic testing)” (JB/T4730-2005) standard based on the actual ultrasonic flaw detection encountered in some of the problems, ...

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