Thanks Henry,
Bill,
PM me your e-mail and I will send you a comparison chart between AWS D1.1 and AS/NZS 1554.1.
AWS D1.1 is roughly equivalent to AS/NZS 1554.1 (Welding of Steel Structures)
AWS D1.5 is more in line with AS/NZS 1554.5 (Welding of Steel Structures subject to high levels of Fatigue Loading)
Not had a lot of experience with AS 2207 but one thing I do remember is one code measures the depth of a discontinuity and the other one measures the length.
Built a large dragline (American manufacturer) in Australia years ago and the welds had to be tested to AWS D1.1 / AS/NZS 1554.1. Basically had to be tested twice because of the differences in the evaluation criteria.
Regards,
Shane