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Inspection in API 5L Pipe
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Threeway Steel Co., Ltd

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Inspection in API 5L Pipe

Update:2017-03-30   View(s):1556   Keywords :API 5L steel pipe,welded pipe,ssaw steel pipe,API 5L
Api 5L steel pipe corrosion is mainly for wall thinning, pitting rot point pit stress cracks. Pipe detection is the application of various technologies truly and records, including basic dimensions (pipe wall thickness and diameter) pipeline straightness road internal and external corrosion in pipeline straightness, said internal and external corrosion conditions (corrosion size, shape, depth and occur parts corrosion zone size, the shape of the depth and the occurrence site corrosion size, shape, depth, and locations), weld defects, as well as crack, weld defects such as cracks. Currently, it have done a lot of work in the oil and gas pipeline corrosion at home and abroad in the oil and gas pipeline corrosion proposed a variety of detection technologies, part of the technology has been applied and achieved good results. These include: the magnetic leakage detection technology, ultrasonic magnetic flux leakage detection technology and ultrasonic measurement techniques, eddy current inspection, ray detection technology based on optical principles lossless.
The magnetic flux leakage detection technology for its the online detection capabilities, high degree of automation, the unique advantages to meet the continuity of the pipeline operators, and online testing, fast and online testing requirements, the magnetic flux leakage testing to become the most widely used so far only a the seed powder detection methods used in oilfield pipeline is extremely broad. In addition, compared with the conventional magnetic particle testing, magnetic flux leakage testing with quantitative test results, the characteristics of high reliability, high efficiency and low pollution.
Ultrasonic detection technology is the use of ultrasonic pulse reflection principle to measure the thickness of the pipe wall corrosion, seized the probe perpendicular to the method is the use of ultrasonic pulse reflection principle to measure the wall thickness of corrosion, the prosecution will probe the vertical pipe wall transmits ultrasonic pulse, the probe first accept transmitting ultrasonic pulses to the pipe wall, and then the ultrasound probe by the wall inner surface of the reflected pulses, the spacing of the two mapping the thickness.

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