BS EN ISO 17640:2018
Non-destructive testing of welds. Ultrasonic testing. Techniques, testing levels, and assessment
https://doi.org/10.3403/30376825 (published 23/01/2019)
BS EN ISO 17640:2018 is maintained by WEE/46. This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS EN ISO 17640:2017 [current until 23/01/2019]
- BS EN ISO 17640:2010 [current until 06/12/2017]