ISO 24394:2018
Welding for aerospace applications — Qualification test for welders and welding operators — Fusion welding of metallic components
This document specifies requirements for the qualification of welders and welding operators for the fusion welding of metallic materials for aerospace applications.
NOTE Success in the test is an essential precondition for the qualification of welders (3.2) and welding operators (3.3) in new production and repair work in aerospace. However, welding equipment operators (3.4) do not need to be qualified according to this document.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Qualification test requirements
4.1 General
4.1.1 Specific to the welder qualification test
4.1.2 Specific to the welding operator qualification test
4.2 Welding processes
4.3 Welding positions
4.4 Product types/semi-finished products applicable to welder qualification tests
4.5 Material groups
4.6 Material thickness
4.6.1 Butt weld material thickness
4.6.2 Fillet weld material thickness
4.6.3 Casting repair material thickness
4.7 Special qualification tests
4.7.1 General requirements
4.7.2 Special qualification tests for welders
4.7.3 Special qualification tests for welding operators
4.8 Designation for qualification test
4.8.1 Welder qualification test
4.8.2 Welding operator qualification test
5 Conditions required for welder and welding operator qualification tests
5.1 Physical requirements for welder and welding operator
5.2 Person responsible for welder and welding operator qualification tests
6 Performing the welder and welding operator qualification test
6.1 Practical qualification test
6.1.1 General requirements
6.1.2 Specific requirements for the welder qualification test
6.2 Theory test
7 Test pieces
8 Examination and testing
8.1 General
8.2 Visual and dimensional examination
8.3 Surface imperfection detection
8.4 Radiographic examination
8.5 Metallographic examinations
8.6 Bend test
8.7 Fracture surface examination
9 Acceptance criteria
10 Qualification test certificate and documentation
11 Period of validity of the qualification
12 Requalification test
Annex A (normative) Test piece acceptance criteria
Annex B (normative) Welder/welding operator qualification test record according to ISO 24394
Annex C (informative) Welder qualification test certificate
Annex D (informative) Welding operator qualification test certificate
Annex E (informative) Guidelines for the theory test
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Qualification test requirements
4.1 General
4.1.1 Specific to the welder qualification test
4.1.2 Specific to the welding operator qualification test
4.2 Welding processes
4.3 Welding positions
4.4 Product types/semi-finished products applicable to welder qualification tests
4.5 Material groups
4.6 Material thickness
4.6.1 Butt weld material thickness
4.6.2 Fillet weld material thickness
4.6.3 Casting repair material thickness
4.7 Special qualification tests
4.7.1 General requirements
4.7.2 Special qualification tests for welders
4.7.3 Special qualification tests for welding operators
4.8 Designation for qualification test
4.8.1 Welder qualification test
4.8.2 Welding operator qualification test
5 Conditions required for welder and welding operator qualification tests
5.1 Physical requirements for welder and welding operator
5.2 Person responsible for welder and welding operator qualification tests
6 Performing the welder and welding operator qualification test
6.1 Practical qualification test
6.1.1 General requirements
6.1.2 Specific requirements for the welder qualification test
6.2 Theory test
7 Test pieces
8 Examination and testing
8.1 General
8.2 Visual and dimensional examination
8.3 Surface imperfection detection
8.4 Radiographic examination
8.5 Metallographic examinations
8.6 Bend test
8.7 Fracture surface examination
9 Acceptance criteria
10 Qualification test certificate and documentation
11 Period of validity of the qualification
12 Requalification test
Annex A (normative) Test piece acceptance criteria
Annex B (normative) Welder/welding operator qualification test record according to ISO 24394
Annex C (informative) Welder qualification test certificate
Annex D (informative) Welding operator qualification test certificate
Annex E (informative) Guidelines for the theory test
Bibliography