ISO 25239-3:2020
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.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Welding operator qualification
4.2 Essential variables and ranges of qualification
4.2.1 General
4.2.2 Friction stir welding methods
4.2.3 Welding equipment
4.2.4 Parent materials
4.2.5 Weld joint geometry
4.2.6 Quality acceptance levels
4.3 Qualification methods
4.3.1 Qualification based on standard welding test
4.3.2 Qualification based on welding procedure test
4.3.3 Qualification based on pre-production welding test
4.3.4 Qualification based on production sample welding test
4.4 Test welds
4.4.1 General
4.4.2 Testing and acceptance levels of test welds
4.4.3 Re-testing
4.5 Test report
5 Certificate
5.1 General
5.2 Period of validity
5.2.1 Initial qualification
5.2.2 Confirmation of the validity
5.2.3 Prolongation of qualification
Annex A (normative) Knowledge of the welding unit and its operation
Annex B (normative) Knowledge of welding technology
Annex C (informative) Example of a qualification test certificate for FSW welding operators
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Welding operator qualification
4.2 Essential variables and ranges of qualification
4.2.1 General
4.2.2 Friction stir welding methods
4.2.3 Welding equipment
4.2.4 Parent materials
4.2.5 Weld joint geometry
4.2.6 Quality acceptance levels
4.3 Qualification methods
4.3.1 Qualification based on standard welding test
4.3.2 Qualification based on welding procedure test
4.3.3 Qualification based on pre-production welding test
4.3.4 Qualification based on production sample welding test
4.4 Test welds
4.4.1 General
4.4.2 Testing and acceptance levels of test welds
4.4.3 Re-testing
4.5 Test report
5 Certificate
5.1 General
5.2 Period of validity
5.2.1 Initial qualification
5.2.2 Confirmation of the validity
5.2.3 Prolongation of qualification
Annex A (normative) Knowledge of the welding unit and its operation
Annex B (normative) Knowledge of welding technology
Annex C (informative) Example of a qualification test certificate for FSW welding operators
Bibliography