International Organization for Standardization (ISO)
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ISO 6520-1:2007
Scope
This part of ISO 6520 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. Annex B gives the
correspondence between the
existing classification of
imperfections according to
ISO 6520-1 and the designation
system according to
ISO/TS 17845.
ISO 6520-1:2007 history
2007ISO 6520-1:2007 Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding
1998ISO 6520-1:1998 Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding