The function of A860 WPHY52 material elbow in oil and gas pipeline
A860 WPHY52 material elbow is a kind of connecting pipe fitting mainly used in the pipeline installation,which is used for the connection at the bend of the pipeline.Connect two pipes with the same nominal diameter to make the pipe turn 90 °.(ASTM A860 WPHY52 Butt Welding Fittings Wrought High Strength Ferritic Steel)
A860 WPHY52 elbow has certain corrosion resistance (oxidizing acid, organic acid, cavitation), heat resistance and wear resistance. It is usually used in oil, natural gas, chemical industry, hydropower, construction, boiler and other industries.
Common elbows are more common in common water pipes, but with the improvement of living standards, many water pipes use stainless steel elbows. The alloy elbow made of manganese steel is usually used in concrete pipeline, mud pipeline and other pipelines with serious wear consumption because of its excellent performance of bearing impact, extrusion and material wear. The high manganese steel alloy elbow is used in the pipeline with intense fluid flow and strong impact; the nickel steel alloy elbow is usually used in the normal temperature pipeline with high concentration of oxidizing acid (nitric acid, sulfuric acid), but it will be severely corroded in the pipeline with reducing acid (hydrochloric acid, dilute sulfuric acid, etc.), unless the concentration of hydrochloric acid is very low; the martensitic alloy elbow is 650.It has high temperature strength, oxidation resistance and water vapor corrosion resistance below ℃, but its weldability is poor. Therefore, it is often used in high temperature water vapor pipeline and water gas pipeline. Alloy elbow is a prominent weak link in the piping system, and the reliability of the pipeline is mainly determined by the working capacity of alloy elbow.
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