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根据标准(JB/T4730-2005)对奥氏体不锈钢对接焊缝超声检测和质量分级的规定,本文对检测前的仪器调校进行了探索,并提出一种较简便实用的方法,以期作为补充。
According to the standard (JB / T4730-2005) on austenitic stainless steel butt weld ultrasonic testing and quality grading requirements, the paper pre-test instrument calibration has been explored and put forward a more simple and practical method, as a supplement .