BS IS0 18785-4:2018 BSl Standards Publication Friction stir spot welding Aluminium Part 4: Specification and qualification of welding procedures bsi. BS IS0 18785-4:2018 BRITISH STANDARD National foreword This British Standard is the UK implementation of IS0 18785-4:2018 The UK participation in its preparation was entrusted to Technical Committee WEE/-/1, Briefing committee for welding. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @ The British Standards Institution 2018 Published by BSI Standards Limited 2018 ISBN9780580 82992 5 ICS 25.160.10 Compliance with a British Standard cannot confer immunity from legal obligations. nobnojgpglloolsingqml. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2018. Amendments/corrigenda issued since publication Date Text affected BS IS0 18785-4:2018 INTERNATIONAL ISO STANDARD 18785-4 First edition 2018-11-20 Friction stir spot welding Aluminium - Part 4: Specification and qualification of welding procedures nobnoJgpelloolsigqml Soudage par friction-malaxage par points - Aluminium Partie 4: Descriptif et qualification des modes operatoires de soudage Reference number IS0 18785-4:2018(E) iiw @ IS0 2018