{"id":4239,"date":"2026-06-17T12:55:28","date_gmt":"2026-06-17T04:55:28","guid":{"rendered":"https:\/\/gh-petro.com\/?post_type=product&p=4239"},"modified":"2026-06-17T12:55:28","modified_gmt":"2026-06-17T04:55:28","slug":"industrial-ultrasonic-testing-machine-for-oil-country-tubular-goodson-line-continuous-steel-plate-ultrasonic-flaw-inspection-machine","status":"publish","type":"product","link":"https:\/\/gh-petro.com\/pt\/product\/industrial-ultrasonic-testing-machine-for-oil-country-tubular-goodson-line-continuous-steel-plate-ultrasonic-flaw-inspection-machine\/","title":{"rendered":"Industrial Ultrasonic Testing Machine for Oil Country Tubular Goods,On-line Continuous Steel Plate Ultrasonic Flaw Inspection Machine"},"content":{"rendered":"

Overview<\/h2>\n

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Our Automatic Online Continuous Steel Plate Ultrasonic Flaw Inspection Machine<\/a> is a fully automatic CNC-controlled NDT system engineered for 100% volumetric inspection of various steel plates applied to OCTG and other industrial scenarios.<\/div>\n
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Fitted with high-performance ultrasonic transducer arrays, this system delivers high-sensitivity detection for longitudinal cracks, transverse fractures, inclined flaws and internal laminar delaminations. It performs accurate full-length plate thickness measurement synchronously with flaw detection in a single inspection pass.<\/div>\n
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All inspection workflows and data logging fully comply with strict API 5CT and API 5L specifications, satisfying rigorous quality control demands for OCTG manufacturers across the global oil and gas industry.<\/div>\n
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Working Principle<\/h2>\n

The machine operates on the\u00a0ultrasonic pulse-echo technique<\/strong>. High-frequency ultrasonic waves (2\u20135 MHz) are generated by piezoelectric probes and transmitted into the pipe wall via\u00a0water-coupling<\/strong>.<\/p>\n

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  • No defect<\/strong>: Ultrasound travels through the wall and reflects from the inner surface, producing a\u00a0back-wall echo<\/strong>.<\/li>\n
  • With defect<\/strong>: Waves reflect earlier at discontinuities (cracks, inclusions, laminations), generating a\u00a0defect echo<\/strong>\u00a0before the back-wall signal.<\/li>\n
  • The system calculates\u00a0defect depth, size, and position<\/strong>\u00a0based on echo time and amplitude, enabling accurate, repeatable, and high-speed inspection.<\/li>\n<\/ul>\n<\/div>\n

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