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AS
AS 2345-1992

AS 2345-1992

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Dezincification resistance of copper alloys

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

30-06-2017

Superseded by

AS 2345-2006

Language(s)

English

Published date

01-01-1992

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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1 - AS 2345-1992 DEZINCIFICATION RESISTANCE OF COPPER ALLOYS
4 - PREFACE
4 - CONTENTS
5 - FOREWORD
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
6 - 3 DEFINITIONS
6 - 3.1 Dezincification
6 - 3.2 Dezincification-resistant copper/zinc alloys
6 - 3.3 Test piece
6 - 3.4 Test sample-
6 - 3.5 Test specimen
6 - 3.6 Informative appendix
6 - 3.7 Normative appendix
6 - 4 GENERAL REQUIREMENTS
6 - 4.1 General
6 - 4.2 Acceptance requirements
7 - 4.3 Identification marking
8 - APPENDIX A - PURCHASING GUIDELINES
8 - A1 GENERAL
8 - A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
9 - APPENDIX B - LISTING OF EXAMPLES OF CATEGORY I ALLOYS
9 - B1 SCOPE
11 - APPENDIX C - TEST METHOD FOR THE ASSESSMENT OF THE SUSCEPTIBILITY TO DEZINCIFICATION OF COPPER ALLOYS CONTAINING ZINC
11 - C1 SCOPE
11 - C2 PRINCIPLE
11 - C3 REAGENTS
11 - C4 APPARATUS
12 - C5 PREPARATION OF TEST PIECES
12 - C5.1 General
12 - C5.2 Selection of test pieces
12 - C5.3 Mounting of test pieces
12 - C6 PROCEDURE
12 - C6.1 Exposure of the test pieces
13 - C6.2 Preparation of exposed test pieces for assessment of dezincification
13 - C6.3 Measurement of dezincification
14 - C7 TEST REPORT
15 - APPENDIX D - GENERAL INFORMATION ON FACTORS WHICH AFFECT THE RESISTANCE OF COPPER ALLOYS TO DEZINCIFICATION
15 - D1 GENERAL
15 - D2 NATURE OF DEZINCIFICATION
15 - D3 MEANS OF ACHIEVING DEZINCIFICATION RESISTANCE
15 - D3.1 General
15 - D3.2 Heat treatment of duplex copper alloys
16 - D4 THE EFFECT OF BRAZING ON DEZINCIFICATION RESISTANCE

Specifies test procedures for determining the resistance of copper-base alloys containing zinc to dezincification. Dezincification resistance is required for alloys used in contact with supply waters and soils. It also specifies acceptance criteria either in terms of acceptable chemical composition or ability to meet specified dezincification test requirements.

Committee
MT-014
DocumentType
Standard
ISBN
0 7262 7454 2
Pages
11
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

This Standard specifies procedures for determining the resistance of copper-base alloys containing zinc to the form of corrosion termed 'dezincification', in two steps as follows: (a) Alloys are categorized into two groups based on their chemical composition which is used to assess their susceptibility to dezincification.(b) Alloys assessed to be resistant to dezincification on the basis of chemical composition do not require testing. Alloys considered to be susceptible can be further evaluated by testing them under accelerated laboratory conditions after the completion of all manufacturing stages. Following this test and where the specified acceptance criteria are met, such alloys can also be regarded as resistant to dezincification.This Standard also specifies the acceptance criteria for the dezincification resistance of copper/zinc alloy components designed for use in contact with potable water or soils.NOTE: Advice and recommendations on information to be supplied by the purchaser at the time of enquiry or order are contained in Appendix A.

First published in part as AS 2345-1980.
MP 52 first published 1988.
Second edition 1990.
MP 52-1990 revised and redesignated in part as AS 3796(Int)-1990.
AS 2345-1980 and AS 3796(Int)-1990 revised and issued as AS 2345-1992.

AS 1565-1996 Copper and copper alloys - Ingots and castings (Reconfirmed 2020)
AS 1567-1985 Copper and copper alloys - Wrought rods, bars and sections
AS 2738.3-1984 Copper and copper alloys - Compositions and designations - Cast products
AS 2738.2-1984 Copper and copper alloys - Compositions and designations - Wrought products
AS 1566-1997 Copper and copper alloys - Rolled flat products (Reconfirmed 2018)

AS 1631-1994 Cast grey and ductile iron non-pressure pipes and fittings (Reconfirmed 2018)
AS 2845.1-1995 Water supply - Backflow prevention devices - Materials, design and performance requirements
ATS 5200.453-2004 Technical Specification for plumbing and drainage products Heated water systems - Thermostatic circulation valve
AS 2419.2-1991 Fire hydrant installations - Fire hydrant valves
AS 3565.5-2004 Meters for water supply - Water meters with two integral single check valves
ATS 5200.004-2005 Technical Specification for plumbing and drainage products Urinal flushing cisterns
AS 3496-1999 Metal-bodied and plastic-bodied taps
AS 1357.1-2004 Valves primarily for use in heated water systems Protection valves
AS 3499-1992 Authorization requirements for plumbing products - Flexible tubes
ATS 5200.042-2004 Technical Specification for plumbing and drainage products - Roll-grooved jointing systems
AS 3565.1-2004 Meters for water supply Cold water meters
AS 3565.1-1998 Meters for cold potable water - Volumetric chamber and turbine meters
ATS 5200.020-2004 Technical Specification for plumbing and drainage products Flushing valves for water closets and urinals - for use with mains supply
AS 4032.2-2002 Water supply - Valves for the control of hot water supply temperatures - Tempering valves and end of line temperature actuated devices
AS 3517-1995 Capillary fittings of copper and copper alloy for non-pressure sanitary plumbing applications
AS 4032.1-2005 Water supply - Valves for the control of heated water supply temperatures Thermostatic mixing valves - Materials design and performance requirements
ATS 5200.468-2005 Technical Specification for plumbing and drainage products Hot water systems - Recirculation valves
ATS 5200.017-2005 Technical Specification for plumbing and drainage products Cistern outlet valves
AS 1718-1992 Water supply - Copper alloy screw-down pattern taps - Specified by dimensions
ATS 5200.464-2004 Technical Specification for plumbing and drainage products - Hot water manual or sensor-activated pumping systems
AS 4032.2-2005 Water supply - Valves for the control of hot water supply temperatures Tempering valves and end-of-line temperature-actuated devices (Reconfirmed 2015)
AS 2419.2-1994 Fire hydrant installations Fire hydrant valves
AS 3718-1992 Water supply - Metal-bodied taps - Specified by performance
AS 1565-1996 Copper and copper alloys - Ingots and castings (Reconfirmed 2020)
AS 1357.1-1992 Water supply - Valves for use with unvented water heaters Protection valves
AS 1357.2-2005 Valves primarily for use in heated water systems Control valves (Reconfirmed 2015)
AS 3565.2-2004 Meters for water supply - Combination meters
AS/NZS 3499:1997 Flexible tube connectors for water supply
ATS 5200.478-2006 Technical Specification for plumbing and drainage products Cross-linked polyethylene/Aluminium/Cross-linked polyethylene macro-composite pipe systems for pressure applications
ATS 5200.420-2005 Technical Specification for plumbing and drainage products Trap-priming valves
AS/NZS 1567:1997 Copper and copper alloys - Wrought rods, bars and sections (Reconfirmed 2021)
ATS 5200.477-2006 Technical Specification for plumbing and drainage products Rainwater/mains supply changeover devices
AS 2638.2-1999 Sluice valves for waterworks purposes Resilient seated
ATS 5200.007-2004 Technical Specification for plumbing and drainage products - Water hammer arrestors
MP 52-1997 Manual of authorization procedures for plumbing and drainage products
AS/NZS 3666.1:2002 Air-handling and water systems of buildings - Microbial control Design, installation and commissioning
AS/NZS 1568:1998 Copper and copper alloys - Forging stock and forgings
ATS 5200.037.1-2006
AS 1172.2-1993 Water closets of 6/3 L capacity - Cisterns
AS 1628-1994 Water supply - Copper alloy gate, globe and non-return valves
AS 1910-1994 Water supply - Float control valves for use in hot and cold water
AS 4795-2002 Double-flanged butterfly valves for waterworks purposes
AS 4176-1994 Polyethylene/aluminium and cross-linked polyethylene/aluminium macro-composite pipe systems for pressure applications
AS 4118.1.8-1999 Fire sprinkler systems Components - Pressure-reducing valves (Reconfirmed 2013)
AS 1361-1995 Electric heat-exchange water heaters - For domestic applications (Reconfirmed 2016)
AS 4032-1998 Thermostatic mixing valves - Materials, design and performance requirements
AS 3499-1995 Authorization requirements for plumbing products - Flexible tubes
AS/NZS 4129:2000 Fittings for polyethylene (PE) pipes for pressure applications
AS/NZS 3718:2005 Water supply - Tap ware (Reconfirmed 2016)
ATS 5200.021-2004 Technical Specification for plumbing and drainage products Flushing valves for water closets and urinals - for use with break tank supply
ATS 5200.467-2004 Technical Specification for plumbing and drainage products Rainwater tank connection valve
ATS 5200.026-2004 Technical Specification for plumbing and drainage products Cold water storage tanks
ATS 5200.466-2004 Technical Specification for plumbing and drainage products - Rainwater tank connection devices
AS/NZS 2280:2004 Ductile iron pipes and fittings
AS 6401-2003 Knife-gate valves for waterworks purposes (Reconfirmed 2015)
AS/NZS 2642.3:1994 Polybutylene pipe systems Mechanical jointing fittings for use with polybutylene (PB) pipes for hot and cold water applications
AS 3497-1994 Authorization requirements for plumbing products - Domestic type water treatment appliances
AS 2638.1-2002 Gate valves for waterworks purposes Metal seated
AS 3498(INT)-1993 Authorization requirements for plumbing products - Water heaters (all types)
AS/NZS 3718:2003 Water supply - Tap ware
AS 1910-2004 Water supply - Float control valves for use in hot and cold water (Reconfirmed 2016)
AS 1357.2-1998 Valves primarily for use in warm and hot water systems - Control valves
AS 1172.2-1999 Water closet (WC) pans of 6/3 L capacity or proven equivalent Cisterns
AS 2537-1994 Mechanical jointing fittings for use with cross-linked polyethylene (PE-X) pipe for hot and cold water applications
ATS 5200.012-2005 Technical Specification for plumbing and drainage products In-line valves for use in plumbing water supply systems - Miscellaneous types metallic and non-metallic
ATS 5200.046-2005 Technical Specification for plumbing and drainage products Diversion systems - Wash down and first flush
ATS 5200.016-2005 Technical Specification for plumbing and drainage products Cistern inlet valves
AS/NZS 2845.1:1998 Water supply - Backflow prevention devices Materials, design and performance requirements
AS 3565.1-1994 Meters for cold potable water Volumetric chamber and turbine meters
AS/NZS 3497:1998 Drinking water treatment units - Plumbing requirements
MP 52-2001 Manual of authorization procedures for plumbing and drainage products
AS 2638.2-2002 Gate valves for waterworks purposes - Resilient seated
AS 3952-2002 Water supply - Spring hydrant valve for waterworks purposes (Reconfirmed 2015)
AS 3578-1993 Cast iron non-return valves for general purposes
AS 2638.1-1999 Sluice valves for waterworks purposes Metal seated
AS 4796-2001 Water supply - Metal bodied and plastic bodied ball valves for property service connection
AS 3496-1995 Authorization requirements for plumbing products - Metal-bodied and plastic-bodied taps
AS 3565.3-2004 Meters for water supply - Water meters with integral dual check valves
AS/NZS 3500.0:2003 Plumbing and drainage Glossary of terms
ATS 5200.052-2005 Metallic-bodied inlet pressure control valves greater than DN 50
AS/NZS 3718:1997 Water supply - Metal-bodied taps - Specified by performance
AS 1589-1994 Copper and copper alloy waste fittings
ATS 5200.030-2004 Technical Specification for plumbing and drainage products - Solenoid valves
AS 3688-2005 Water supply - Metallic fittings and end connectors
AS/NZS 3666.1:1995 Air-handling and water systems of buildings - Microbial control Design, installation and commissioning
AS 1589-2001 Copper and copper alloy waste fittings (Reconfirmed 2018)
AS 4794-2001 Non-return valves for waterworks purposes - Swing check and tilting disc (Reconfirmed 2015)
AS 2419.3-1996 Fire hydrant installations - Fire brigade booster connections
AS/NZS 2280:1999 Ductile iron pressure pipes and fittings
AS 4032-1992 Thermostatic mixing valves - Materials, design and performance requirements
AS 4032-1995 Thermostatic mixing valves - Materials, design and performance requirements

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