        {"id":2424,"date":"2014-11-06T17:19:56","date_gmt":"2014-11-06T17:19:56","guid":{"rendered":"http:\/\/ausasteel.irantzu.com\/?page_id=2424"},"modified":"2014-11-08T01:04:48","modified_gmt":"2014-11-08T01:04:48","slug":"u","status":"publish","type":"page","link":"https:\/\/www.ausasteel.com\/en\/steel-glossary\/u\/","title":{"rendered":"U"},"content":{"rendered":"<span class=\"glossary-list-details\"><ul class=\"glossary-list\"><li class=\"glossary-item\"><a href=\"https:\/\/www.ausasteel.com\/en\/glossary\/ultrasound\/\" title=\"Ultrasound\" >Ultrasound<\/a><br><\/li><\/ul><\/ul>","protected":false},"excerpt":{"rendered":"It is a non-destructive test in which a sonic beam emitting high frequency vibrations is introduced into the material. 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