Welding - Guidelines for quality requirements for heat treatment in connection with welding and allied processes (ISO/TR 17663:2001); German version CR ISO 17663:2001
Non-destructive testing of steel tubes - Part 8: Automated ultrasonic testing of seamless and welded steel tubes for the detection of laminar imperfections (ISO 10893-8:2011 + Amd 1:2020) (includes Amendment A1:2020)