研究和开发国产新型无缝钢管超声波自动探伤系统是冶金行业的重要课题．ＧＣＴＸＡ超声波探伤系统适用于ｄｉａ１０８～１６８ｍｍ无缝钢管超声波自动探伤，作者研究和分析了其探伤方法、工艺参数及其结构和功能，并以测试结果和现场试用情况加以论证．其测试和现场试用结果表明：该系统探伤灵敏度高，性能稳定可靠，对进一步研究和开发新型大口径无缝钢管超声波自动探伤系统有重要的理论和实践意义 Research and development of new domestic seamless steel pipe ultrasonic automatic testing system is an important issue in the metallurgical industry. GCTX ​​ A ultrasonic flaw detection system is suitable for dia108 ~ 168mm seamless steel pipe ultrasonic flaw detection, the author studied and analyzed its testing methods, process parameters and structure and function, and to test results and on-site trial to be demonstrated. The test and field trial results show that the system has high flaw detection sensitivity and stable and reliable performance, which has important theoretical and practical significance for further research and development of a new type of large diameter seamless steel pipe ultrasonic automatic flaw detection system