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    AS 1665-1992

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    Welding of aluminium structures

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  30-06-2017

    Language(s):  English

    Published date:  01-01-1992

    Publisher:  Standards Australia

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    Table of Contents - (Show below) - (Hide below)

    1 - AS 1665-1992 WELDING OF ALUMINIUM STRUCTURES
    4 - PREFACE
    5 - CONTENTS
    6 - SECTION 1 SCOPE AND GENERAL
    6 - 1.1 SCOPE
    6 - 1.2 INNOVATION
    6 - 1.3 REFERENCED DOCUMENTS
    6 - 1.4 DEFINITIONS
    6 - 1.4.1 Fabricator
    6 - 1.4.2 Inspecting authority
    6 - 1.4.3 Inspector
    6 - 1.4.4 Principal
    6 - 1.4.5 Shall
    6 - 1.4.6 Should
    6 - 1.5 WELD CATEGORIES
    6 - 1.6 BASIC WELDING REQUIREMENTS
    7 - 1.7 SAFETY PRECAUTIONS
    7 - 1.7.1 Welding safety
    7 - 1.7.2 Welding equipment
    8 - SECTION 2 MATERIALS OF CONSTRUCTION
    8 - 2.1 PARENT METAL
    8 - 2.1.1 General
    8 - 2.1.2 Wrought alloys
    8 - 2.1.3 Casting alloys
    8 - 2.2 SELECTION OF FILLER METALS
    8 - 2.3 CARE OF FILLER METALS
    8 - 2.4 SHIELDING GASES
    10 - SECTION 3 DETAILS OF WELDED CONNECTIONS
    10 - 3.1 GENERAL
    10 - 3.2 BUTT WELDS
    10 - 3.2.1 Size of weld
    10 - 3.2.2 Design throat thickness
    10 - 3.2.3 Effective length
    10 - 3.2.4 Effective area
    10 - 3.2.5 Transition of thickness or width
    10 - 3.3 FILLET WELDS
    10 - 3.3.1 Size of weld
    10 - 3.3.2 Weld contour
    12 - 3.3.3 Effective length
    12 - 3.3.5 Lap joints
    12 - 3.3.6 T-joints and corner joints
    12 - 3.3.7 Intermittent fillet welds
    12 - 3.4 PLUG AND SLOT WELDS
    12 - 3.4.1 Plug welds
    12 - 3.4.2 Slot welds
    15 - SECTION 4 QUALIFICATION OF PROCEDURES AND PERSONNEL
    15 - 4.1 QUALIFICATION OF WELDING PROCEDURES
    15 - 4.1.1 General
    15 - 4.1.2 Method of qualification of welding procedure
    15 - 4.1.3 Qualification by tensile, bend, macro, fillet-break and nick-break tests
    15 - 4.2 WELDING PROCEDURE TEST PLATES
    15 - 4.2.1 General
    15 - 4.2.2 Size
    15 - 4.2.3 Tack welds
    15 - 4.3 CHANGES IN QUALIFIED PROCEDURE
    15 - 4.3.1 Changes in procedure requiring requalification
    15 - 4.3.2 Changes in procedure not requiring requalification
    16 - 4.4 MEASUREMENT OF WELDING VARIABLES
    16 - 4.5 WELDING PROCEDURE TEST PIECE AND SPECIMENS
    16 - 4.5.1 Butt welds
    16 - 4.5.2 Fillet welds
    18 - 4.5.3 Preparation of test specimens
    18 - 4.6 TESTING
    18 - 4.6.1 Nick-break and fillet-break tests
    18 - 4.6.2 Macro test
    18 - 4.6.3 Tensile test
    18 - 4.6.4 Bend test
    19 - 4.7 WELDED PRODUCTION TEST PLATES
    19 - 4.7.1 General
    19 - 4.7.2 Number of test plates
    19 - 4.7.3 Test plate material
    19 - 4.7.4 Test plate size
    19 - 4.7.5 Testing
    19 - 4.8 QUALIFICATION OF WELDING PERSONNEL
    19 - 4.8.1 General
    19 - 4.8.2 Welding supervisor
    19 - 4.8.3 Welders
    20 - 4.9 RECORD OF QUALIFICATIONS
    21 - SECTION 5 WORKMANSHIP
    21 - 5.1 METHODS OF PREPARATION AND CLEANNESS
    21 - 5.1.1 Arc strikes
    21 - 5.1.2 Joint preparation and procedures
    21 - 5.1.3 Cleaning
    21 - 5.2 PREHEATING
    21 - 5.3 CONTROL OF DISTORTION AND SHRINKAGE STRESSES
    21 - 5.4 PROTECTION AGAINST WEATHER CONDITIONS
    22 - 5.5 ASSEMBLY
    22 - 5.5.1 General
    22 - 5.5.2 Alignment of butt-welded joints
    22 - 5.5.3 Alignment of fillet welds and incompl ete penetration butt welds
    23 - SECTION 6 QUALITY OF WELDS
    23 - 6.1 QUALITY LEVELS OF WELDED FABRICATIONS
    23 - 6.2 REPAIR WELDING
    23 - 6.2.1 Procedure for repair welding
    23 - 6.2.2 Inspection of repaired welds
    25 - SECTION 7 INSPECTION
    25 - 7.1 GENERAL
    25 - 7.2 QUALIFICATIONS OF INSPECTORS
    25 - 7.3 VISUAL INSPECTION OF WORK
    25 - 7.3.1 Inspection prior to and during welding
    25 - 7.3.2 Inspection after welding
    25 - 7.4 NON-DESTRUCTIVE EXAMINATION OTHER THAN VISUAL EXAMINATION
    25 - 7.4.1 Extent of non-destructive examination
    25 - 7.4.2 Personnel and operator requirements
    26 - APPENDIX A - BUTT WELD CATEGORIES
    26 - A1 SELECTION OF WELD QUALITY LEVELS
    26 - A2 WELD CATEGORY
    26 - A3 WELD CATEGORY B
    26 - A4 WELD CATEGORY C
    27 - APPENDIX B - GUIDANCE ON THE SELECTION OF AND THE EXTENT OF NON-DESTRUCTIVE EXAMINATION
    27 - B1 GENERAL
    27 - B2 CONSEQUENCES OF FAILURE
    27 - B3 MODES OF FAILURE
    27 - B4 RECOMMENDED QUALITY PROCEDURES

    Abstract - (Show below) - (Hide below)

    Sets out the requirements for the fusion welding of aluminium structures and equipment by inert-gas arc welding processes. The Standard provides for three categories of butt welds and one category of fillet weld. Tables of aluminium alloys suitable for welding, details of welded connections, methods of qualification of procedures and personnel, workmanship, weld quality and inspection requirements are included. Appendices are also included as a checklist of matters for discussion and guidance on the selection and extent of non-destructive examination.

    Scope - (Show below) - (Hide below)

    This Standard sets out the requirements for the fusion welding of aluminium structures and equipment by inert-gas arc welding processes and is intended principally for use in conjunction with AS 1664. Additionally the Standard may be used for all welded aluminium constructions, other than those constructed in accordance with AS 1200.The Standard applies to the following manual, semi-automatic, and automatic methods of welding:(a) Gas tungsten-arc (GTA).(b) Gas metal-arc (GMA).(c) Pulsed-arc (GTA or GMA). (d) Plasma-arc.The Standard is not intended to apply to the resistance welding, brazing or soldering of aluminium.NOTE: A checklist of matters for discussion between the principal and fabricator is given in Appendix E.

    General Product Information - (Show below) - (Hide below)

    Committee WD-003
    Document Type Standard
    Publisher Standards Australia
    Status Superseded
    Superseded By
    Supersedes
    Under Revision

    History - (Show below) - (Hide below)

    Under Revision see DR 02451 First published as AS 1665-1976.Second edition 1992. First published as AS 1665-1976. Second edition 1992.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS 2205.2.1-1997 Methods for destructive testing of welds in metal - Transverse butt tensile test
    AS 2205.3.1-1997 Methods for destructive testing of welds in metal - Transverse guided bend test
    AS 1966.1-1985 Electric arc welding power sources - Transformer type
    AS 2338-1980 Preferred dimensions of wrought metal products
    AS 1101.3-1987 Graphical symbols for general engineering - Welding and non-destructive examination
    AS 1966.2-1985 Electric arc welding power sources - Rotary type
    AS 2865-1995 Safe working in a confined space
    AS 2812-1985 Welding, brazing and cutting of metals - Glossary of terms
    AS 1337-1984 Eye protectors for industrial applications
    AS 1391-1991 Methods for tensile testing of metals
    AS 1200-1988 Boilers and pressure vessels (known as the SAA Boiler Code)
    AS 1674.1-1997 Safety in welding and allied processes Fire precautions (Reconfirmed 2016)
    AS 1867-1986 Aluminium and aluminium alloys - Drawn tubes
    AS 1734-1986 Aluminium and aluminium alloys - Flat sheet, coiled sheet and plate
    AS 1470-1986 Health and safety at work - Principles and practices
    AS 2205.4.2-1997 Methods for destructive testing of welds in metal - Fillet break test
    AS 2205.4.1-1997 Methods for destructive testing of welds in metal - Nick-break test
    AS 1866-1986 Aluminium and aluminium alloys - Extruded rod, bar, solid and hollow shapes
    AS 1995-1977 Welding cables
    AS 1336-1982 Recommended practices for eye protection in the industrial environment
    AS 1664-1979 Rules for the use of aluminium in structures (known as the SAA Aluminium Structures Code) (incorporating Corrig.)
    AS 1874-1988 Aluminium and aluminium alloys - Ingots and castings
    AS 1865-1986 Aluminium and aluminium alloys - Drawn wire, rod, bar and strip
    AS 1674.2-1990 Safety in welding and allied processes - Electrical
    AS 2205.5.1-1997 Methods for destructive testing of welds in metal - Macro metallographic test for cross-section examination
    AS 2717.2-1988 Welding - Electrodes - Gas metal arc Aluminium and aluminium alloy

    Standards Referencing This Book - (Show below) - (Hide below)

    AS 4085-1992 Automatic sliding door assemblies
    AS 4132.2-1993 Boat and ship design and construction - Aluminium construction
    AS 2047-1999 Windows in buildings - Selection and installation
    AS/NZS 1576.1:1995 Scaffolding General requirements
    AS 1796-1993 Certification of welders and welding supervisors
    AS/NZS 1664.2:1997 Aluminium structures Allowable stress design (Reconfirmed 2020)
    HB 39-1997 Installation code for metal roof and wall cladding
    AS 2809.2-1999 Road tank vehicles for dangerous goods - Tankers for flammable liquids
    AS/NZS 3500.3:2003 Plumbing and drainage Stormwater drainage
    AS 1576.1-1991 Scaffolding - General requirements
    AS/NZS 1892.1:1996 Portable ladders Metal
    AS 1657-1992 Fixed platforms, walkways, stairways and ladders - Design, construction and installation
    AS 2047.1-1996 Windows in buildings - Specification for materials and performance
    AS 2809.4-2001 Road tank vehicles for dangerous goods - Tankers for toxic and corrosive cargoes
    AS 1577-1993 Scaffold planks
    AS 1576.4-1991 Scaffolding - Suspended scaffolding
    AS/NZS 1576.5:1995 Scaffolding Prefabricated splitheads and trestles
    AS/NZS 1664.1:1997 Aluminium structures Limit state design (Reconfirmed 2020)
    AS/NZS 3500.3.2:1998 National plumbing and drainage Stormwater drainage - Acceptable solutions
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