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    AS/NZS 2312:2002

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    Guide to the protection of structural steel against atmospheric corrosion by the use of protective coatings

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

    Superseded date:  29-03-2023

    Language(s): 

    Published date:  28-11-2002

    Publisher:  Standards Australia

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    Abstract - (Show below) - (Hide below)

    Provides guidelines for the selection and specification of coating systems for the short, medium and long term protection of structural steel work against interior and exterior atmospheric, and non-atmospheric corrosive environments. The following aspects are covered in detail: Atmopspheric environments, planning and design, surface preparation treatments, metallic and paint coatings, maintenance of coating systems, inspection and testing, and preparation of coating specifications. Contains comprehensive details of modern paint systems, including properties and typical applications.

    Scope - (Show below) - (Hide below)

    This Standard provides guidelines for the selection and specification of coating systems for the protection of structural steel work against interior and exterior atmospheric environments. The Standard specifically covers the following subjects: (a) Guidance on the use of the Standard. (b) Classification of atmospheric and non-atmospheric environments. (c) Planning and design for corrosion protection.(d) Surface preparation treatments. (e) Metallic coatings. (f) Paint coating systems and methods of paint application. (g) Factors influencing coating selection. (h) Powder coatings and wrapping tapes for corrosion protection. (i) Maintenance of protective coating systems. (j) Inspection and testing. (k) Guidance on the preparation of coating specifications. (l) Health and safety requirements. (m) Economics of corrosion protection. This Standard covers the protection of structural steel work against interior and exterior atmospheric corrosion and also the protection of items of equipment manufactured from steel which are exposed to exterior atmospheric conditions. The Standard also covers, to a limited extent, the protection of steel work which is completely immersed in water or buried in soil, or which is subject to atmospheres severely contaminated with acidic or other chemical vapours such as may be encountered in some chemical manufacturing plants, and also the protection of ships. The systems recommended in this Standard can also be used on internal structures where wet or damp areas exist. It is necessary to understand that the systems recommended have been selected for guidance only and that life expectancy to first major maintenance is an estimate only. In practice, some minor maintenance may be required. Because particular coating formulations and micro-climates vary, the user of this Standard is advised to confirm with the manufacturer or supplier, that the selected system is suitable for the task and can be reasonably expected to protect the steel for a specified time.

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

    Committee MT-014
    Document Type Standard
    Publisher Standards Australia
    Status Superseded
    Superseded By
    Supersedes
    Under Revision

    History - (Show below) - (Hide below)

    First published as part of MA 1.5-1967.Revised and redesignated in part as AS 2312-1980.Second edition 1984.Jointly revised and designated as AS/NZS 2312:1994.Fourth edition 2002. First published as part of MA 1.5-1967. Revised and redesignated in part as AS 2312-1980. Second edition 1984. Jointly revised and designated as AS/NZS 2312:1994. Fourth edition 2002.

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

    AS 1445-1986 Hot-dipped zinc-coated or aluminium/zinc-coated steel sheet - 76 mm pitch corrugated
    AS/NZS 3679.1:1996 Structural steel Hot-rolled bars and sections
    AS 1580.481.0-2003 Paints and related materials - Methods of test Coatings - Guide to assessing paint systems exposed to weathering conditions
    AS/NZS 3000:2000 Electrical installations (known as the Australian/New Zealand Wiring Rules)
    AS 4750(INT)-2000 Electrogalvanized (zinc) coatings on ferrous hollow sections
    AS/NZS 3750.11:1996 Paints for steel structures - Chlorinated rubber - High-build and gloss
    AS/NZS 1269.3:1998 Occupational noise management - Hearing protector program
    AS/NZS 3750.14:1997 Paints for steel structures High-build epoxy (two-pack)
    AS 3978-2003 Non-destructive testing - Visual inspection of metal products and components (Reconfirmed 2022)
    AS/NZS 1338.3:1992 Filters for eye protectors Filters for protection against infra-red radiation
    AS/NZS 4792:1999 Hot-dip galvanized (zinc) coatings on ferrous hollow sections, applied by a continuous or a specialized process
    AS 1580.408.2-2004 Paints and related materials - Methods of test Adhesion - Knife test (Reconfirmed 2019)
    AS 3894.2-2002 Site testing of protective coatings Non-conductive coatings - Continuity testing - Wet sponge method
    AS 1627.1-1989 Metal finishing - Preparation and pretreatment of surfaces - Cleaning using liquid solvents and alkaline solutions
    AS/NZS 1338.1:1992 Filters for eye protectors Filters for protection against radiation generated in welding and allied operations
    AS/NZS 3750.13:1997 Paints for steel structures Epoxy primer (two-pack)
    AS 3894.10-2002 Site testing of protective coatings Inspection report - Daily surface and ambient conditions (Reconfirmed 2019)
    AS 3894.6-2002 Site testing of protective coatings Determination of residual contaminants (Reconfirmed 2013)
    AS 3894.1-2002 Site testing of protective coatings Non-conductive coatings - Continuity testing - High voltage (brush) method (Reconfirmed 2013)
    AS/NZS 3750.10:1994 Paints for steel structures Full gloss epoxy (two-pack)
    AS 4036-2006 Corrosion of metals - Dissimilar metals in contact in seawater
    AS 2832.2-1991 Cathodic protection of metals - Compact buried structures
    AS 1318-1985 Use of colour for the marking of physical hazards and the identification of certain equipment in industry (known as the SAA Industrial Safety Colour Code)
    AS 1627.4-2002 Metal finishing - Preparation and pretreatment of surfaces - Abrasive blast cleaning
    AS 2832.4-1994 Cathodic protection of metals - Internal surfaces
    AS 1580.481.0-1991 Paints and related materials - Methods of test Coatings - Guide to assessing paint systems exposed to weathering conditions
    AS/NZS 1336:1997 Recommended practices for occupational eye protection
    AS 1789-2003 Electroplated zinc (electrogalvanized) coatings on ferrous articles (batch process) (Reconfirmed 2017)
    HB 90.3-2000 The Construction Industry Guide to ISO 9001:2000
    AS/NZS 2041:1998 Buried corrugated metal structures
    AS/NZS 2310:2002 Glossary of paint and painting terms (Reconfirmed 2016)
    AS 3894.11-2002 Site testing of protective coatings Equipment report (Reconfirmed 2019)
    AS 1397-1993 Steel sheet and strip - Hot-dipped zinc-coated or aluminium/zinc-coated
    AS 3750.1-1994 Paints for steel structures - Epoxy mastic (two-pack) - For rusted steel
    AS/NZS 4506:1998 Metal finishing - Thermoset powder coatings
    AS 3894.12-2002 Site testing of protective coatings Inspection report - Coating (Reconfirmed 2019)
    AS/NZS 3750.16:1998 Paints for steel structures Waterborne primer and paint for galvanized, zinc/aluminium alloy-coated and zinc-primed steel (Reconfirmed 2013)
    AS 1580.102.1-2002 Paints and related materials - Methods of test Sampling procedure
    AS/NZS 4020:2005 Testing of products for use in contact with drinking water
    AS/NZS 1594:2002 Hot-rolled steel flat products
    AS 4751(INT)-2000 Electrogalvanized (zinc) coatings on ferrous open sections
    AS 1897-1976 Electroplated coatings on threaded components (metric coarse series)
    AS/NZS 1338.2:1992 Filters for eye protectors Filters for protection against ultraviolet radiation
    AS/NZS 3678:1996 Structural steel - Hot-rolled plates, floorplates and slabs
    AS 2700-1996 Colour Standards for general purposes - Swatches
    AS 4750-2003 Electrogalvanized (zinc) coatings on ferrous hollow and open sections (Reconfirmed 2017)
    AS/NZS 2728:1997 Prefinished/prepainted sheet metal products for interior/exterior building applications - Performance requirements
    AS/NZS 4020:2002 Testing of products for use in contact with drinking water
    AS 1580.408.4-1993 Paints and related materials - Methods of test Adhesion (cross-cut)
    AS 4361.1-1995 Guide to lead paint management - Industrial applications
    AS/NZS 1716:1994 Respiratory protective devices
    AS 1627.5-2003 Metal finishing - Preparation and pretreatment of surfaces Pickling (Reconfirmed 2017)
    AS 1627.9-2002 Metal finishing - Preparation and pretreatment of surfaces Pictorial surface preparation standards for painting steel surfaces (Reconfirmed 2017)
    AS/NZS 2311:2000 Guide to the painting of buildings
    AS 1627.5-1994 Metal finishing - Preparation and pretreatment of surfaces - Pickling, descaling and oxide removal
    AS/NZS 3750.12:1996 Paints for steel structures Alkyd/micaceous iron oxide (Reconfirmed 2013)
    AS/NZS 2832.1:1998 Cathodic protection of metals - Pipes and cables
    AS 1397-2001 Steel sheet and strip - Hot-dipped zinc-coated or aluminium/zinc-coated
    AS/NZS 3750.5:1994 Paints for steel structures - Acrylic full gloss (two-pack)
    AS/NZS 3750.6:1995 Paints for steel structures - Full gloss polyurethane (two-pack)
    AS/NZS 2865:2001 Safe working in a confined space
    AS 4036-1992 Corrosion of metal - Dissimilar metals in contact in seawater
    AS/NZS 4680:2006 Hot-dip galvanized (zinc) coatings on fabricated ferrous articles (Reconfirmed 2017)
    AS/NZS 3750.15:1998 Paints for steel structures Inorganic zinc silicate paint (Reconfirmed 2013)
    AS 1214-1983 Hot-dip galvanized coatings on threaded fasteners (ISO metric coarse thread series)
    AS 1789-1984 Electroplated coatings - Zinc on iron or steel
    AS 1319-1994 Safety signs for the occupational environment (Reconfirmed 2018)
    AS/NZS 4680:1999 Hot-dip galvanized (zinc) coatings on fabricated ferrous articles
    AS 4361.2-1998 Guide to lead paint management Residential and commercial buildings
    AS 1580.408.4-2004 Paints and related materials - Methods of test Adhesion (crosscut) (Reconfirmed 2019)
    AS 1345-1995 Identification of the contents of pipes, conduits and ducts (Reconfirmed 2018)
    AS 1791-1986 Chromate conversion coatings - Zinc and cadmium
    AS 1627.6-2003 Metal finishing - Preparation and pretreatment of surfaces Chemical conversion treatment of metals (Reconfirmed 2017)
    AS 3894.5-2002 Site testing of protective coatings Determination of surface profile
    AS/NZS 4791:1999 Hot-dip galvanized (zinc) coatings on ferrous open sections, applied by an in-line process
    AS 3894.3-2002 Site testing of protective coatings Determination of dry film thickness (Reconfirmed 2013)
    AS 4025.1-1992 Paints for equipment including ships Solvent-borne - Interior and exterior - Full gloss enamel
    AS/NZS 1270:2002 Acoustics - Hearing protectors (Reconfirmed 2014)
    AS/NZS 4792:2006 Hot-dip galvanized (zinc) coatings on ferrous hollow sections, applied by a continuous or a specialized process (Reconfirmed 2017)
    AS/NZS 3750.17:1998 Paints for steel structures Etch primers (single pack and two-pack) (Reconfirmed 2013)
    AS/NZS 1580.481.1.9:1998 Paints and related materials - Methods of test Coatings - Exposed to weathering - Degree of blistering (Reconfirmed 2013)
    AS 1580.408.2-1993 Paints and related materials - Methods of test Adhesion - Knife test
    AS/NZS 2728:2007 Prefinished/prepainted sheet metal products for interior/exterior building applications - Performance requirements
    AS 1580.102.1-1992 Paints and related materials - Methods of test Sampling procedure
    AS 1627.6-1994 Metal finishing - Preparation and pretreatment of surfaces - Chemical conversion treatment of metals
    AS 2832.3-1992 Cathodic protection of metals - Fixed immersed structures
    AS/NZS 1716:2003 Respiratory protective devices
    AS/NZS 1269.3:2005 Occupational noise management Hearing protector program
    AS/NZS 1715:1994 Selection, use and maintenance of respiratory protective devices
    AS/NZS 3750.9:1994 Paints for steel structures - Organic zinc-rich primer
    AS 3978-1991 Non-destructive testing - Visual inspection of metal products and components
    AS/NZS 4791:2006 Hot-dip galvanized (zinc) coatings on ferrous open sections, applied by an in-line process (Reconfirmed 2017)
    AS/NZS 1337:1992 Eye protectors for industrial applications
    AS 3894.4-2002 Site testing of protective coatings Assessment of degree of cure
    AS 1627.4-2005 Metal finishing - Preparation and pretreatment of surfaces Abrasive blast cleaning of steel (Reconfirmed 2017)
    AS 2832.5-2002 Cathodic protection of metals - Steel in concrete structures
    AS 4506-2005 Metal finishing - Thermoset powder coatings
    AS 1627.0-1997 Metal finishing - Preparation and pretreatment of surfaces Method selection guide (Reconfirmed 2017)
    AS 4089-1993 Priming paint for steel - Single component - General purpose
    AS 4100-1998 Steel structures (Reconfirmed 2016)
    AS 3750.2-1994 Paints for steel structures - Ultra high-build paint
    AS/NZS 3679.2:1996 Structural steel - Welded I sections
    AS 1627.1-2003 Metal finishing - Preparation and pretreatment of surfaces Removal of oil, grease and related contamination (Reconfirmed 2017)
    AS 3600-2001 Concrete structures
    AS 1627.2-2002 Metal finishing - Preparation and pretreatment of surfaces Power tool cleaning (Reconfirmed 2017)

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

    AS 4848.1-2006 Application specifications for coating systems Single coat inorganic (ethyl) zinc silicate - Solvent-borne
    AS/NZS 3750.8:1994 Paints for steel structures Vinyl paints - Primer, high-build and gloss (Reconfirmed 2013)
    AS/NZS 2311:2009 Guide to the painting of buildings
    AS/NZS 3750.9:1994 Paints for steel structures - Organic zinc-rich primer
    AS 2309-2008 Durability of galvanized and electrogalvanized zinc coatings for the protection of steel in structural applications - Atmospheric
    AS 3784.1-1990 Coatings for fire protection of building elements - Guide to selection and installation of sprayed mineral coatings
    AS 2159-1995 Piling - Design and installation
    AS 1627.0-1997 Metal finishing - Preparation and pretreatment of surfaces Method selection guide (Reconfirmed 2017)
    AS/NZS 1580.457.1:1996 Paints and related materials - Methods of test Resistance to natural weathering (Reconfirmed 2013)
    AS 4647-2005 Domestic diaphragm gas meters
    AS 4025.2-1993 Paints for equipment including ships Solvent-borne - Interior and exterior - Undercoat
    AS/NZS 4389:1996 Safety mesh
    AS/NZS 3750.11:2009 Paints for steel structures Chlorinated rubber - High-build and gloss
    AS 1406-2004 Electroplated coatings - Nickel and chromium on plastics for decorative applications (Reconfirmed 2017)
    AS 2423-2002 Coated steel wire fencing products for terrestrial, aquatic and general use (Reconfirmed 2021)
    AS 1725.3-2010 Chain link fabric fencing Tennis court fencing - Private/Residential (Reconfirmed 2020)
    AS 4312-2008 Atmospheric corrosivity zones in Australia
    AS 3750.2-1994 Paints for steel structures - Ultra high-build paint
    AS 4997-2005 Guidelines for the design of maritime structures
    AS/NZS 4600:2005 Cold-formed steel structures
    AS 4312:2019 Atmospheric corrosivity zones in Australia
    AS/NZS 3750.23:2008 Paints for steel structures Semi-gloss enamel - Solvent-borne (Reconfirmed 2021)
    AS/NZS 3750.7:2009 Paints for steel structures Aluminium paint (Reconfirmed 2021)
    AS 2159-2009 Piling - Design and installation
    AS/NZS 3750.22:2008 Paints for steel structures Full gloss enamel - Solvent-borne (Reconfirmed 2021)
    AS/NZS 2728:2013 Prefinished/prepainted sheet metal products for interior/exterior building applications - Performance requirements
    AS/NZS 3750.6:2009 Paints for steel structures Full gloss polyurethane (two-pack) (Reconfirmed 2020)
    AS 4506-2005 Metal finishing - Thermoset powder coatings
    AS/NZS 3500.3:2003 Plumbing and drainage Stormwater drainage
    AS/NZS 1892.1:1996 Portable ladders Metal
    AS 4025.3-1993 Paints for equipment including ships Solvent-borne - Interior and exterior - Semi-gloss enamel
    AS/NZS 4534:2006 Zinc and zinc/aluminium-alloy coatings on steel wire (Reconfirmed 2017)
    AS 2067-1984 Switchgear assemblies and ancillary equipment for alternating voltages above 1 kV
    AS/NZS 2041.1:2011 Buried corrugated metal structures Design methods
    AS 3894.7-2002 Site testing of protective coatings Determination of surface temperature (Reconfirmed 2013)
    AS/NZS 3750.11:1996 Paints for steel structures - Chlorinated rubber - High-build and gloss
    AS/NZS 3750.9:2009 Paints for steel structures Organic zinc-rich primer (Reconfirmed 2019)
    AS/NZS 3750.4:1994 Paints for steel structures Bitumen paint (Reconfirmed 2013)
    AS 1725-2003 Chain-link fabric security fencing and gates
    AS/NZS 3750.3:2008 Paints for steel structures Heat resisting - Exterior (Reconfirmed 2020)
    AS 3700-2001 Masonry structures
    AS 1725.4-2010 Chain link fabric fencing Cricket net fencing enclosures (Reconfirmed 2020)
    AS/NZS 3750.3:1994 Paints for steel structures - Heat resisting - Exterior
    AS 1725.2-2010 Chain link fabric fencing Tennis court fencing - Commercial (Reconfirmed 2020)
    AS 2885.1-2007 Pipelines - Gas and liquid petroleum - Design and construction
    AS 3581-1988 Mechanical aids for patient lifting and moving - Safety requirements
    AS 4025.1-1992 Paints for equipment including ships Solvent-borne - Interior and exterior - Full gloss enamel
    AS 1192-2004 Electroplated coatings - Nickel and chromium (Reconfirmed 2017)
    AS 3894.3-2002 Site testing of protective coatings Determination of dry film thickness (Reconfirmed 2013)
    AS 3750.10-2008 (R2019) Paints for steel structures Full gloss epoxy (two-pack)
    AS/NZS 3750.12:1996 Paints for steel structures Alkyd/micaceous iron oxide (Reconfirmed 2013)
    AS/NZS 2728:2007 Prefinished/prepainted sheet metal products for interior/exterior building applications - Performance requirements
    AS/NZS 3750.1:2008 Paints for steel structures Epoxy mastic (two-pack) - For rusted steel (Reconfirmed 2020)
    AS 1789-2003 Electroplated zinc (electrogalvanized) coatings on ferrous articles (batch process) (Reconfirmed 2017)
    AS/NZS 4680:2006 Hot-dip galvanized (zinc) coatings on fabricated ferrous articles (Reconfirmed 2017)
    AS/NZS 3788:2006 Pressure equipment - In-service inspection (Reconfirmed 2017)
    AS 1720.1-1997 Timber structures Design methods
    AS/NZS 3750.5:2008 Paints for steel structures Acrylic full gloss (two-pack) (Reconfirmed 2020)
    AS/NZS 4792:2006 Hot-dip galvanized (zinc) coatings on ferrous hollow sections, applied by a continuous or a specialized process (Reconfirmed 2017)
    AS/NZS 7000:2010 Overhead line design - Detailed procedures
    AS 1725.1-2010 Chain link fabric fencing Security fences and gates - General requirements (Reconfirmed 2020)
    AS 1210-1997 Pressure vessels
    AS/NZS 3750.7:1994 Paints for steel structures - Aluminium paint
    AS 4750-2003 Electrogalvanized (zinc) coatings on ferrous hollow and open sections (Reconfirmed 2017)
    AS/NZS 1576.5:1995 Scaffolding Prefabricated splitheads and trestles
    AS/NZS 3750.20:2008 Paints for steel structures Anticorrosive metal primer - Solvent-borne - Lead and chromate free (Reconfirmed 2020)
    AS 3750.1-1994 Paints for steel structures - Epoxy mastic (two-pack) - For rusted steel
    AS 1562.1-1992 Design and installation of sheet roof and wall cladding Metal (Reconfirmed 2016)
    AS/NZS 3750.21:2008 Paints for steel structures Undercoat - Solvent-borne (Reconfirmed 2021)
    AS/NZS 2179.1:1994 Specifications for rainwater goods, accessories and fasteners Metal shape or sheet rainwater goods, and metal accessories and fasteners
    AS/NZS 2785:2000 Suspended ceilings - Design and installation
    AS/NZS 5131:2016 Structural steelwork - Fabrication and erection
    AS 4285-2007 Skylights
    AS/NZS 3750.5:1994 Paints for steel structures - Acrylic full gloss (two-pack)
    AS/NZS 2041:1998 Buried corrugated metal structures
    AS/NZS 3750.10:1994 Paints for steel structures Full gloss epoxy (two-pack)
    AS/NZS 3750.2:2008 Paints for steel structures Ultra high-build paint (Reconfirmed 2020)
    AS/NZS 3750.19:2008 Paints for steel structures Metal primer - General purpose (Reconfirmed 2020)
    AS 2453-2004 Electroplated coatings - Chromium for engineering applications (Reconfirmed 2017)
    AS 2885.1-2012 Pipelines - Gas and liquid petroleum Design and construction
    AS 4089-1993 Priming paint for steel - Single component - General purpose
    AS 1725.5-2010 Chain link fabric fencing Sports ground fencing - General requirements (Reconfirmed 2020)
    AS 2159 SUPP 1-1996 Piling - Design and installation - Guidelines (Supplement to AS 2159 - 1995) (Reconfirmed 2018)
    AS 1627.4-2005 Metal finishing - Preparation and pretreatment of surfaces Abrasive blast cleaning of steel (Reconfirmed 2017)
    AS 4025.4-1994 Paints for equipment including ships Solvent-borne - Lead and chromate free - Anticorrosive metal primer
    AS 2419.1-2005 Fire hydrant installations System design, installation and commissioning
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