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NEWS 8

Introduction to API 5L pipeline steel pipe/difference between API 5L PSL1 and PSL2 standards

API 5L generally refers to the implementation standard of pipeline steel pipes. Pipeline steel pipes are used to transport oil, steam, water, etc. extracted from the ground to oil and gas industry enterprises. Pipeline steel pipes include seamless steel pipes and welded steel pipes. At present, the welded steel pipes commonly used in oil pipelines

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Seamless steel pipe weight calculation formula

Formula 1: (outer diameter – wall thickness) * wall thickness * 0.02466 = kg meter (weight per meter) Formula 2: (outer diameter – wall thickness) * (0.02466+0.00172) = kg meter (weight per meter) Seamless steel pipe weight calculation formula: (outer diameter – wall thickness) * wall thickness * 0.000823 = kgm3 Weight calculation: The allowable

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Introduction to API5L pipeline steel pipe/difference between API 5L PSL1 and PSL2 standards

API5L generally refers to the implementation standard of pipeline steel pipes, which are used to transport oil, steam and water pumped out of the groundPipelines that are transported to oil and gas industry companies. Pipeline steel pipes include seamless steel pipes and welded steel pipes.At present, the welded steel pipes commonly used on oil pipelines

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Capacitor welded steel pipe is applied to

Electrofusion welded pipes can be subjected to water pressure, flaw detection, X-ray reports, and material protection Classification of steel pipes for electric power: Steel pipes are divided into two categories: seamless steel pipes and welded steel pipes (welded pipes). According to the shape of the cross-section, it can be divided into circular pipes and special-shaped

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What kinds of seamless steel pipe materials are there?

GB/T8162-2018, structural seamless steel pipes, mainly used in general structural engineering, machining, construction and other fields. Representative materials: 20#, 45#, q345b, 40Cr, 42CrMo, etc.; GB/T8163-2018, seamless steel pipe for fluid transportation, mainly used for pipeline engineering with low pressure. Representative material: 20#, q345b; 45# GB8162 structural seamless steel pipe GB/T3087-2017, low and medium pressure boiler

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