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Materials and coatings for corrosion resistance in SSAW pipes
Corrosion presents a significant challenge in pipeline systems, especially in the oil and gas sector, where pipes are subjected to extreme environmental conditions. Spiral Submerged Arc Welded (SSAW) pipes, despite their structural advantages, are vulnerable to this issue. This article emphasizes the importance of corrosion resistance in SSAW pipes, focusing on how materials and protective coatings can minimize this risk.
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Cause analysis of hydrogen induced crack of LSAW steel pipe
LSAW steel pipes, subjected to varying conditions and environments over time, may experience damage due to intrinsic defects and changing stress factors. One of the most critical forms of damage is hydrogen-induced cracking (HIC). This occurs when welded steel pipes, containing hydrogen, crack under the influence of applied or residual stress. Hydrogen-induced cracking is caused by the diffusion of hydrogen into the metal matrix, where it either forms a solid solution or metal hydrides, leading to brittle fractures. This phenomenon poses a significant risk to the structural integrity of steel pipes.
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Large diameter seamless steel pipe thermal forming manufacturing process
The thermal forming process for manufacturing large-diameter seamless steel pipes includes two primary methods: hot rolling and hot extrusion. The hot rolling process is commonly used for producing composite pipe joints and plays a significant role in seamless composite pipe production.
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The use temperature and application fields of seamless steel pipe 513
Seamless steel pipe 513 is a widely utilized model due to its excellent mechanical properties and ability to withstand high temperatures, making it a versatile choice across various industries. Below is an overview of its uses and advantages.
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Common methods for 3PE coated pipe anti-corrosion
When it comes to protecting 3PE coated pipes from corrosion, it is crucial to employ reliable and effective methods. Corrosion can significantly impact the longevity and functionality of steel pipes, especially in demanding environments. Below are some common techniques used for 3PE coated pipe anti-corrosion.
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Requirements for storing seamless steel pipes in warehouses
Seamless steel pipes are produced by perforating steel ingots or solid tubes into rough shapes, followed by hot rolling, cold rolling, or cold drawing. This article will briefly introduce requirements for storing seamless steel pipes in warehouses.
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Carbon steel ERW pipe specification
When selecting Carbon Steel ERW (Electric Resistance Welded) Pipes, it’s crucial to consider various specifications to ensure they meet your application’s needs. Below are the key specifications typically associated with these pipes.
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Hydrostatic testing of seamless boiler tubes
Seamless boiler tubes are a specialized variety of boiler tubes, classified under the broader category of seamless steel pipes. Their production follows the same methods as seamless pipes, but with stringent specifications for the steel grades used in their manufacture.
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Pressure rating and applications of boiler steel pipe
The pressure rating of boiler steel pipes indicates the highest operating pressure that the pipes can endure. Boiler steel pipes are typically classified into three pressure categories based on international standards: low-pressure, medium-pressure, and high-pressure.
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6 major processing technologies for seamless steel pipes for structures
As industry advances, seamless steel pipes (SMLS) are gaining popularity across various sectors due to their processing techniques. These pipes are noted for their hollow cross-section, consistent wall thickness, and smooth surfaces, which contribute to their reliable quality. They are extensively used in fluid transportation for oil, natural gas, and water, as well as in structural and mechanical components. This article outlines six key processing technologies for seamless steel pipes used in structural applications.
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