my experience with UT examination of structural welds is with AWS D1.1 , I have a client who I have worked for in the past that has a issue that came up on a site , the third party UT examiner rejected a number of full penetration welds based on AWS d1.8 however the project only required the welds meet AWS D1.1 , not being very familiar with 1.8 other than knowing the basic premise, is D1.8 UT accept/reject more restrictive than AWS D1.1 , after being informed of his mistake the third party refuses re-evaluate the welds based on AWS d1.1 he stated no difference in accept/reject between codes . Thanks
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