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Test standard of welded pipe and plate scanning method

2016-01-14 17:58:38   COMMENT:0 HITS:
  In pipe ultrasonic flaw detection, relative motion of probe and the specimen on the test surface is calledscanning. Scan generally consider two principles, one is to guarantee the whole  inspection has enough acoustic coverage to avoid detection; two is the search process of beam incident direction alwaysconform to the required standards.Along the 1 parallel or perpendicular to the rolling direction of the plate spacing of scanning line; scanningdistance

  Were 100, 150 and 200mm.The minimum coverage of 2 respectively 20%, 10% and 5%.

  Probe perpendicular to the plate rolling direction, parallel line spacing is not greater than the 100mm Scanning.

  We have adopted advanced production equipment and technologies to manufacture our Seamless steel pipes, ERW pipes, oil casing pipes, spiral pipes,API5L pipes,which can not only improve product quality, but also save raw materials. Our products have high strength, good toughness and resistance to corrosion.

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