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.
Sisällysluettelo
Foreword
Introduction
1 Scope
2 Terms and definitions
3 Classification and explanation of imperfections
4 Types of crack
5 Designation
Alphabetical index
Annex A Cracking phenomena (informative)
Annex B Correspondence between the existing classification of imperfections and the designation system according to ISO/TS 17845 (informative)