NA 021
DIN Standards Committee Iron and Steel
Standards
[Withdrawn]
ISO 9305
ISO 9305
Seamless steel tubes for pressure purposes; full peripheral ultrasonic testing for the detection of transverse imperfections
Title (German)
Nahtlose Stahlrohre für Druckzwecke; Ultraschall-Umfangsprüfung zum Nachweis von Querfehlern
Responsible national committee
NA 021-00-09-06 UA - Non-destructive testing of tubes