Abstract:
Present paper discusses the key requirements of phased array ultrasonic testing (PAUT) for pressure equipment presented in the updated edition of ASME Code(2013),Section Ⅴ NDE,Article 4.This is the second part:evaluation of Computerized Imaging (CI) Techniques ought to be used for performing volumetric inspection of pressure equipment welds,in which emphasis is laid on the typical scanning patterns with PAUT,on the typical scan plan cases for butt welds and Tee welds,and also on the interpretation essentials of typical welding flaws detected by PA.The intention is to compare with our industrial standards and to look at our national condition,thus we can find out the gap and correct errors in this field,so that making the Chinese enterprises perform the referencing ASME Code Section raised to a higher level.