NBN EN ISO 22825:2006

ISO 22825:2006 specifies the approach to be followed when developing procedures for the ultrasonic testing of the following welds:
welds in austenitic stainless steels
welds in nickel-based alloys
welds in duplex steels
dissimilar metal welds.
The purposes of the testing can be very different, e.g.:
for the assessment of quality level (manufacturing)
for the detection of specific indications induced in service.
Acceptance levels are not included in ISO 22825:2006, but can be applied in accordance with the scope of the testing.
The requirements of ISO 22825:2006 are applicable to both manual and mechanized testing.