ISO 25239-3-2020 摩擦搅拌焊--铝--第3部分：焊接操作员的资格评定 Friction stir welding — Aluminium — Part 3: Qualification of welding operators

This document specifies requirements for the qualification of welding operators for friction stir welding
(FSW) of aluminium. In this document, the term “aluminium” refers to aluminium and its alloys.
This document does not apply to “operators” as defined in ISO 25239-1.
This document does not apply to friction stir spot welding which is covered by the ISO 18785 series.nd edition 2020-06 Friction stir welding — Aluminium — Part 3: Qualification of welding operators Soudage par friction-malaxage — Aluminium — Partie？3:？Qualification？des？opérateurs？soudeurs Reference number ISO 25239-3:2020(E) ？ ISO 2020 ISO 25239-3:2020(E) COPYRIGHT PROTECTED DOCUMENT ？ ISO 2020 All rights reserved. Unless otherwise specified, or requ