{"id":3632,"date":"2026-05-22T18:22:25","date_gmt":"2026-05-22T10:22:25","guid":{"rendered":"https:\/\/gh-petro.com\/?post_type=product&#038;p=3632"},"modified":"2026-05-22T19:09:21","modified_gmt":"2026-05-22T11:09:21","slug":"ultrasonic-flaw-detection-machine","status":"publish","type":"product","link":"https:\/\/gh-petro.com\/es\/product\/ultrasonic-flaw-detection-machine\/","title":{"rendered":"Ultrasonic Flaw Detection Machine"},"content":{"rendered":"<p>Our <strong>OCTG Ultrasonic Flaw Detection Machine<\/strong> is a fully automated, CNC-controlled system designed for <strong>100% volumetric inspection<\/strong> of seamless and welded oil pipes, casing, and tubing. It ensures high-sensitivity detection of longitudinal, transverse, oblique, and laminar defects, as well as wall thickness measurement, meeting API 5CT, API 5L, and other international standards.<\/p>\n<h2>Working Principle<\/h2>\n<p>The machine operates on the <strong>ultrasonic pulse-echo technique<\/strong>. High-frequency ultrasonic waves (2\u20135 MHz) are generated by piezoelectric probes and transmitted into the pipe wall via <strong>water-coupling<\/strong>.<\/p>\n<ul>\n<li><strong>No defect<\/strong>: Ultrasound travels through the wall and reflects from the inner surface, producing a <strong>back-wall echo<\/strong>.<\/li>\n<li><strong>With defect<\/strong>: Waves reflect earlier at discontinuities (cracks, inclusions, laminations), generating a <strong>defect echo<\/strong> before the back-wall signal.<\/li>\n<li>The system calculates <strong>defect depth, size, and position<\/strong> based on echo time and amplitude, enabling accurate, repeatable, and high-speed inspection.<\/li>\n<\/ul>","protected":false},"featured_media":3674,"template":"","meta":{"_acf_changed":false},"product-category":[20],"class_list":["post-3632","product","type-product","status-publish","has-post-thumbnail","hentry","product-category-octg-production-line"],"acf":[],"_links":{"self":[{"href":"https:\/\/gh-petro.com\/es\/wp-json\/wp\/v2\/product\/3632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gh-petro.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/gh-petro.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gh-petro.com\/es\/wp-json\/wp\/v2\/media\/3674"}],"wp:attachment":[{"href":"https:\/\/gh-petro.com\/es\/wp-json\/wp\/v2\/media?parent=3632"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/gh-petro.com\/es\/wp-json\/wp\/v2\/product-category?post=3632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}