Non-destructive testing - Ultrasonic testing - Characterization and sizing of discontinuities (ISO 16827:2012); German version EN ISO 16827:2014— 61 стр.
Non-destructive testing - Ultrasonic testing of austenitic and austenitic-ferritic stainless steels flat products of thickness equal to or greater than 6 mm (reflection method); German version EN 10307:2001— 17 стр.
Non-destructive testing - Ultrasonic testing - Characterization and sizing of discontinuities (ISO 16827:2012); German version EN ISO 16827:2014— 61 стр.