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ISO 6520-1:2007

Welding and allied processes — Classification of geometric imperfections in metallic materials — Part 1: Fusion welding

Jun 19, 2007

General information

90.20     Apr 15, 2026

ISO

ISO/TC 44/SC 7

International Standard

25.160.40  

English   French  

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Published

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 6520-1:1998

NOW

PUBLISHED
ISO 6520-1:2007
90.20 Standard under periodical review
Apr 15, 2026

National adoptions

SRPS EN ISO 6520-1:2008  
ISS

Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding (ISO 6520-1:1998)

95.99   Withdrawal of Standard

M044 more

SRPS EN ISO 6520-1:2013  
ISS

Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding (ISO 6520-1:2007)

60.60   Standard published

M044 more

delSRPS EN ISO 6520-1:2017  
ISS

Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding (ISO 6520-1:2007)

50.98   Project deleted

M044 more

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