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STN is a protected designation of Slovak national technical standards.
NNon-destructive testing of welds. Ultrasonic testing. Testing of welds in austenitic steels and nickel-based alloys
WITHDRAWN published on 1.12.2012
Selected format:Non-destructive testing of welds - Penetrant testing - Acceptance levels (ISO 23277:2015)
Standard published on 1.8.2015
Selected format:Non-destructive examination of welds. Penetrant testing of welds. Acceptance levels
WITHDRAWN published on 1.11.2002
Selected format:Non-destructive testing of welds.Penetrant testing of welds.Acceptance levels (ISO 23277:2006)
WITHDRAWN published on 1.5.2010
Selected format:Non destructive testing of welded joints. Defectometer determination of weld root defects on radiographs
WITHDRAWN published on 1.11.1980
Selected format:Non-destructive testing of welds - Time-of-flight diffraction technique (TOFD) - Acceptance levels (ISO 15626:2018)
Standard published on 1.2.2019
Selected format:Non-destructive testing of welds.Time-of-flight diffraction technique (TOFD).Acceptance levels
WITHDRAWN published on 1.1.2010
Selected format:Non-destructive testing of welds - Time-of-flight diffraction technique (TOFD) - Acceptance levels
WITHDRAWN published on 1.9.2009
Selected format:Non-destructive testing of welds - Time-of-flight diffraction technique (TOFD) - Acceptance levels (ISO 15626:2011)
WITHDRAWN published on 1.2.2014
Selected format:Non-destructive testing of welds - Ultrasonic testing - Use of time-of-flight diffraction technique (TOFD) (ISO 10863:2020)
Standard published on 1.12.2020
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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