Standard
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AS/NZS 1665:2004
[Current]Welding of aluminium structures
Specifies the requirements for the welding of aluminium and its weldable alloys in structures, components and equipment complying with AS/NZS 1664.1 or AS/NZS 1664.2, by gas tungsten-arc welding (GTAW), gas metal-arc welding (GMAW), pulsed-arc wleding (GTAW or GMAW) and plasma-arc welding (PAW) processes.
Published: 22/03/2004
Pages: 48
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Exclusions
1.3 Innovation
1.4 Referenced documents
1.5 Definitions
1.6 Weld categories
1.6.1 General
1.6.2 Weld Category A
1.6.3 Weld Category B
1.6.4 Weld Category C
1.7 Basis
1.8 Safety
1.8.1 Safety equipment and procedures
1.8.2 Welding equipment
1.8.3 Other hazards
2 Materials of construction
2.1 Parent metal
2.1.1 General
2.1.2 Wrought alloys
2.1.3 Casting alloys
2.2 Filler metals
2.3 Shielding gases
3 Details of welded connections
3.1 General
3.2 Edge preparation
3.3 Butt welds
3.3.1 Effective length
3.3.2 Transition of thickness or width
3.4 Fillet welds
3.4.1 Size of weld
3.4.2 Weld contour
3.4.3 Lap joints
3.4.4 T‑joints and corner joints
3.4.5 Intermittent fillet welds
3.5 Plug and slot welds
3.5.1 Plug welds
3.5.2 Slot welds
4 Qualification of procedures and personnel
4.1 Welding procedures
4.1.1 General
4.1.2 Methods for qualifying a welding procedure
4.1.3 Portability of qualified welding procedures
4.2 Qualification of welding procedure by testing
4.2.1 General
4.2.2 Tack welds
4.2.3 Dimension of standard test plate
4.2.4 Dimension of other test plates
4.2.5 Extent of testing
4.2.6 Requirements of non-destructive examination
4.2.7 Transverse butt tensile test
4.2.8 Bend test
4.2.9 Nick-break and fillet-break tests
4.2.10 Macro test
4.2.11 Retests
4.3 Welded production test plates
4.3.1 General
4.3.2 Number of test plates
4.3.3 Test plate requirements
4.3.4 Test plate size
4.3.5 Testing
4.4 Changes in qualified procedure
4.5 Qualification of welding personnel
4.5.1 General
4.5.2 Welding supervisor
4.5.3 Welders
4.6 Record of qualifications
5 Workmanship
5.1 Methods of preparation and cleanness
5.1.1 Arc strikes
5.1.2 Joint preparation and procedures
5.1.3 Cleaning
5.2 Preheating
5.3 Control of distortion and shrinkage stresses
5.4 Protection against weather conditions
5.5 Assembly
5.5.1 General
5.5.2 Alignment of butt‑welded joints
5.5.3 Alignment of fillet welds and incomplete penetration butt welds
6 Quality of welds
6.1 Quality levels of welded fabrications
6.2 Repair welding
6.2.1 Procedure for repair welding
6.2.2 Inspection of repaired welds
7 Inspection
7.1 General
7.2 Qualifications of inspectors
7.3 Visual inspection of work
7.3.1 Inspection prior to and during welding
7.3.2 Inspection after welding
7.3.3 Inspection after repair
7.4 Non‑destructive examination other than visual examination
7.4.1 Extent of non‑destructive examination
7.4.2 Personnel and operator requirements
Appendix A
Appendix B
B1 General
B2 Consequences of failure
B3 Modes of failure
B4 Recommended quality procedures
Appendix C
Appendix D
Cited references in this standard
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