Non-destructive testing of steel forgings - Part 4: Ultrasonic testing of austenitic and austenitic-ferritic stainless steel forgings; German version EN 10228-4:2016— 26 стр.
Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 2: Probes; German version EN 12668-2:2010— 55 стр.
Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 3: Combined equipment; German version EN 12668-3:2013— 13 стр.
Non-destructive testing - Qualification and certification of NDT personnel; Supplement 1: Recomandations to the application of DIN EN ISO 9712:2012-12— 4 стр.
Non-destructive testing of steel forgings - Part 4: Ultrasonic testing of austenitic and austenitic-ferritic stainless steel forgings; German version EN 10228-4:1999— 15 стр.
Non-destructive testing of steel forgings - Part 4: Ultrasonic testing of austenitic and austenitic-ferritic stainless steel forgings; German version prEN 10228-4:2012
Non-destructive testing of steel forgings - Part 4: Ultrasonic testing of austenitic and austenitic-ferritic stainless steel forgings; German version EN 10228-4:1999— 15 стр.
Steel forgings for pressure purposes - Part 1: General requirements for open die forgings (includes Amendment A1:2002); German version EN 10222-1:1998 + A1:2002— 22 стр.