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CNOOC Shell DEP 31.40.20.37 standard steel pipes, as an indispensable and important material in industries such as petroleum, natural gas, and chemical, have a direct impact on the safety and operational efficiency of the project in terms of quality and technical standards. This article will delve into the characteristics and applications of CNOOC Shell DEP 31.40.20.37 standard steel pipes, as well as their important position in the industrial field.
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CNOOC Shell DEP 31.40.20.37 standard steel pipes, as an indispensable and important material in industries such as petroleum, natural gas, and chemical, have a direct impact on the safety and operational efficiency of the project in terms of quality and technical standards. This article will delve into the characteristics and applications of CNOOC Shell DEP 31.40.20.37 standard steel pipes, as well as their important position in the industrial field.
CNOOC Shell DEP 31.40.20.37 standard steel pipe is a high-quality steel pipe standard developed based on Shell Oil Company's strict engineering practices and technical requirements. This standard not only reflects Shell's position in the global energy sector, but also highlights its profound expertise in materials science and engineering practices. DEP 31.40.20.37 standard steel pipes play a crucial role in various industrial pipeline systems due to their excellent mechanical properties, corrosion resistance, and fatigue strength.
From a material perspective, the CNOOC Shell DEP 31.40.20.37 standard steel pipes are usually made of high-quality alloy steel, which has high strength, high toughness, and good weldability. During the production process, steel pipes need to go through multiple strict procedures, including raw material inspection, smelting, rolling, heat treatment, non-destructive testing, and finished product inspection, to ensure that each steel pipe meets Shell's standard requirements. These processes not only improve the quality of steel pipes, but also increase their usage time and safety.
In terms of weld treatment of steel pipes, CNOOC Shell DEP 31.40.20.37 standard has implemented strict non-destructive testing procedures. According to Shell's design and engineering practices, non-destructive testing of steel pipe welds is mainly based on Appendix E of API 5L/ISO 3183:2012, and relevant testing methods have been supplemented and modified. Specifically, welding steel pipes requires ultrasonic testing of the entire length (100%) of the weld seam using the oblique wave method to detect possible defects in the weld seam. For steel pipe end welds that cannot be covered by automatic ultrasonic testing (UT), manual UT, semi-automatic ultrasonic method, or radiographic inspection method shall be used for supplementary testing. These measures have improved the quality of welds, thereby enhancing the safety and reliability of the entire pipeline system.
The application scope of CNOOC Shell DEP 31.40.20.37 standard steel pipes is wide, covering multiple industries such as petroleum, natural gas, chemical, and power. In the oil and gas industry, these steel pipes are used for transporting media such as gas, water, and oil, and their high strength and corrosion resistance ensure the long-term stable operation of pipeline systems. In the chemical industry, these steel pipes are used to transport various corrosive media such as acids, alkalis, salts, etc. Their excellent corrosion resistance provides strong support for chemical production. In addition, in the power industry, these steel pipes are widely used in equipment such as boilers and heat exchangers, and their stability and reliability under high temperature and high pressure provide a solid foundation for power production.
(Note: Parameters may be adjusted due to engineering requirements;)
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