Non-destructive testing of welds - Ultrasonic testing - Testing of welds in austenitic steels and nickel-based alloys (ISO/DIS 22825:2016); German and English version prEN ISO 22825:2016
Non-destructive testing of welds - Ultrasonic testing - Testing of welds in austenitic steels and nickel-based alloys (ISO 22825:2017); German version EN ISO 22825:2017— 34 стр.