Standardization of terms, definitions and symbols relevant to welding and allied processes. In addition, standardization of:

  • welding positions;
  • processes nomenclature;
  • classification of imperfections;
  • general principles of weldability and joint preparation.

Quick links


Published ISO standards *


ISO standard under development *

Participating members
Observing members

* number includes updates

Liaison Committees to ISO/TC 44/SC 7

The committees below can access the documents of ISO/TC 44/SC 7:

Reference Title ISO/IEC
ISO/TC 10/SC 1 Basic conventions ISO


Liaison Committees from ISO/TC 44/SC 7

ISO/TC 44/SC 7 can access the documents of the committees below:

Reference Title ISO/IEC
IIW International Institute of Welding ISO
ISO/TC 10 Technical product documentation ISO


Organizations in liaison (Category A and B)
Acronym Title Category
IIW International Institute of Welding A

ISO/TC 44/SC 7 - Secretariat

BSI [United Kingdom]

British Standards Institution
389 Chiswick High Road
London W4 4AL
United Kingdom

Tel: +44 208 996 90 00
Fax: +44 208 996 74 00