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Manufacturers Certification Scheme (MCS) And

ANBCC (Authorised National Body for Company Certification)  

The European Welding Federation (EWF) has produced and updated a specific Manufacturers Certification Scheme (MCS) as ISO 3834, looking for ‘substantial quality' and has transferred the same to IIW (International Institute of Welding) for worldwide implementation. In such a scheme, all the ISO 3834 clauses have been considered, interpreted and supplemented, looking at each technical and organisational aspect of the whole welding fabrication process. Particular effort has been dedicated to the definition of priorities in order to get a concrete perspective of the manufacturing process, aiming at effectiveness and cost saving.

Thus, certification to ISO 3834 as per IIW's MCS has an added value to the clients and the clients' clients.

Who Can Certify

In order to administer this system and to develop it, The International Institute of Welding (IIW) has established the IAB – International Authorisation Board. This IIW Working Unit aimed at the effective integration of the EWF and IIW systems and its implementation in all IIW countries, publishes Guidelines and Rules for certification and develops and manages the Quality Assurance procedures controlling the system.

An organisation recognised by the national IIW member is appointed as  Authorised National Body for Companies Certification (ANBCC)  in each country. IIW India has obtained accreditation as  ANBCC  (Authorised National Body for Company Certification) from the International Institute of Welding through its International Authorisation Board (IAB) and has the exclusive rights within India to operate its MCS for management of quality in Welding for implementation of ISO 3834 oriented products.

IIW MCS and ISO 3834

The critical point about the IIW MCS ISO 3834 scheme incorporating the IIW guidelines is that it requires assessors to be:

a) Competent in welding technology,

b) Experienced in welding fabrication,

c) Suitably qualified in welding technology, and

d) Familiar with quality management systems

This is where the true value and credibility of the scheme lies as opposed to certification by any other non-IIW certification body.

Great care has been taken by the IIW to detail the interpretation of ISO 3834 in terms of specifying and registering properly trained assessors and devising an operational structure so that certification of companies will be consistent wherever the rules are applied.

The following two documents on interpretation and implementation of ISO 3834 as per IIW MCS can serve as guide to the manufacturers in implementing the scheme:

  • IAB 337 -“IIW Manufacturer Certification Scheme for the Management of Quality in Welding - Interpretation and Implementation of ISO 3834 requirements”
  • IAB 338-“IIW Manufacturer Certification Scheme for the Management of Quality in Welding - Supplement for the implementation of ISO 3834 oriented to welded products”
(Please go to the “Download” section for accessing the above two documents published by IIW for the benefits of the manufacturers).



With a mission to be the Premier Professional Institute in India for the advancement of Welding Science & Technology and related activities, IIW-India has been continuously developing itself for achievement of Assist Human resources development in Welding in India.

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