This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
ISO 6520-1:2007 serves as the basis for a precise classification and description of weld imperfections.
In order to avoid any confusion, the types of imperfection are defined with explanations and illustrations where necessary.
Metallurgical imperfections are not included.
Another system for the designation of imperfections is possible according to ISO/TS 17845. A correspondence is given between the existing classification of imperfections according to ISO 6520-1:2007 and the designation system according to ISO/TS 17845:2004.
Status: PublishedPublication date: 2007-07
Edition: 2Number of pages: 49
Technical Committee: ISO/TC 44/SC 7 Representation and terms
- ICS :
- 25.160.40 Welded joints and welds
Buy this standard
|std 1 166||Paper|
|std 2 166|
A standard is reviewed every 5 years
Stage: 90.93 (Confirmed)
Got a question?
Check out our FAQs
+41 22 749 08 88
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)
Keep up to date with ISO
Sign up to our newsletter for the latest news, views and product information.