[lucas]

Dear colleague,
simple question – simple answer: Use the search function in Google just with the keywords “NDT standards” combined with either ISO or ASNT or EN or ASTM or….
You quickly get very similar lists of links which will completely fit your question. Here the list of the most valuable results:
1. BINDT UK – list of NDT standards https://www.bindt.org/international-and-european-standards/
2. NDT Resource Center – https://www.nde-ed.org/GeneralResources/Standards/standards.htm
(Not sure if the list is fully up to date, some parts of the NDT Resource Center’s pages seem to be outdated – compare it with the other links)
3. EFNDT (European Federation of NDT) 121 Pages of standards listed: https://www.efndt.org/Services/Standards
4. ASNT – List: https://www.asnt.org/MajorSiteSections/Standards/Codes_and_Standard_Bodies.aspx
5. DIN German Institute for Standardization – query with keyword “NDT” https://www.din.de/en/meta/search/61764!search?query=NDT
6. TWI The Welding Inst. UK – List QC standards – https://www.twi-global.com/technical-knowledge/faqs/faq-standards-commonly-used-in-the-uk-joining-industry-quality-and-testing
7. BSI Shop (UK) search for Keyword “Non Destructive Testing” https://shop.bsigroup.com/SearchResults/?q=Non-destructive%20testing
8. ISO – https://www.iso.org/ics/19.100/x/
• https://www.iso.org/ics/25.160.40/x/ Welding
• https://www.iso.org/ics/37.040.25/x/ X-Ray-Films
• https://www.iso.org/ics/77.040.20/x/ NDT of Metal
9. ASTM Standards list: https://www.astm.org/Standards/nondestructive-testing-standards.html
Of course there are lot other institutions having the same or similar list on their pages, in their text books, in their training documents – sometimes refined for special industrial sectors like Aerospace, Pipe Welding, Maritime, Windmill etc.
Basically I would prefer the pages of the standardizing bodies like ASTM, DIN, EN, BSI or the NDT societies like ASNT, EFNDT … as there you have the best chance to get the most actual lists.
In the first step I thought, maybe NDT.net should also provide such a list to make it more comfortable to have the complete overview as the different Standardization organizations could maybe only focus on their own standards – but if you browse through my link list, you can easily see: most list give you an overview about all standards which are important.