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通过对DL/T 820-2002《管道焊接接头超声波检验技术规程》中奥氏体不锈钢对接接头超声波检验方法的探讨,分析了如何正确使用数字式超声波探伤仪,达到准确的缺陷定位,进而确保了缺陷的检出率,保证机组设备运行的安全性、经济性。
Through the discussion of ultrasonic testing method of austenitic stainless steel butt joint in DL / T 820-2002 Technical Specification for Ultrasonic Testing of Pipe Welded Joints, it is analyzed how to use digital ultrasonic flaw detector correctly to achieve accurate defect location, Defect detection rate to ensure the safety of unit operation, economy.