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AS 2518-1992

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Fusion-bonded low-density polyethylene coating for pipes and fittings
Available format(s)

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

Withdrawn date

11-29-2018

Language(s)

English

Published date

07-20-1992

Preview

1 - AS 2518-1992 FUSION-BONDED LOW-DENSITY POLYETHYLENE COATING FOR PIPES AND FITTINGS
4 - PREFACE
4 - CONTENTS
5 - 1 SCOPE
5 - 2 REFERENCED DOCUMENTS
5 - 3 DEFINITIONS
5 - 3.1 Coating
5 - 3.2 Flaw
5 - 3.3 Fusion-bond
5 - 3.4 Weather exposure
5 - 3.5 Surface preparation
5 - 4 MATERIAL REQUIREMENTS
5 - 4.1 General
5 - 4.2 Polyethylene fusion-bonding compound
6 - 5 SURFACE PREPARATION AND APPLICATION OF COATING
6 - 5.1 Preparation of pipe surface
6 - 5.2 Application of polyethylene compound
6 - 5.3 Cleaning of pipe ends
6 - 5.4 End treatment of coating
6 - 6 TEST REQUIREMENTS
6 - 6.1 General
6 - 6.2 Thickness
6 - 6.3 Electric flaw detection
6 - 6.4 Bond strength
6 - 6.5 Density
6 - 6.6 Environmental stress-cracking resistance
7 - 6.7 Tensile stress at yield and percentage elongation at break
7 - 6.8 Cathodic disbonding
7 - 7 REPAIRS
7 - 7.1 General
7 - 7.2 Repair limits
7 - 7.3 Testing of repairs
7 - 8 STORAGE, HANDLING, TRANSPORT AND MARKING
7 - 8.1 Extended exposure
7 - 8.2 Handling and storage of coated pipes and fittings
7 - 8.3 Transport of coated pipes and fittings
7 - 8.4 Marking
8 - APPENDIX A - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
8 - A1 SCOPE
8 - A2 STATISTICAL SAMPLING
8 - A3 PRODUCT CERTIFICATION- STANDARDSMARK
8 - A4 SUPPLIER’S QUALITY SYSTEM
8 - A5 OTHER MEANS OF ASSESSMENT
8 - A5.1 General
8 - A5.2 Frequency
8 - A5.3 Retests
10 - APPENDIX B - PURCHASING GUIDELINES
10 - B1 GENERAL
10 - B2 STORAGE PERIOD
10 - B3 INFORMATION TO BE SUPPLIED BY THE PURCHASER
10 - B4 TEST CERTIFICATE
10 - B4.1 General
10 - B4.2 Certificate of compliance
10 - B4.3 Independent tests
11 - APPENDIX C - REMOVAL OF SAMPLE AND PREPARATION OF TEST SPECIMENS OF FUSION-BONDED LOW-DENSITY POLYETHYLENE COATING
11 - C1 SCOPE
11 - C2 PRINCIPLE
11 - C3 APPARATUS
11 - C4 REMOVAL OF SAMPLEFROM PIPE
11 - C5 PREPARATION OF TEST SPECIMENS
11 - C5.1 Number of test pieces
11 - C5.2 Procedure
13 - APPENDIX D - ELECTRIC FLAW DETECTION
13 - D1 SCOPE
13 - D2 APPARATUS
13 - D2.1 Electric flaw detector
13 - D2.2 Crest voltmeter
13 - D3 SETUP
13 - D4 PROCEDURE
13 - D5 REPORT
14 - APPENDIX E - BOND STRENGTH TEST
14 - E1 SCOPE
14 - E2 PRINCIPLE
14 - E3 APPARATUS
14 - E4 PREPARATION OF TEST PIECE
14 - E5 TEST CONDITIONS
14 - E6 PROCEDURE
14 - E7 REPORT
16 - APPENDIX F - METHOD FOR THE DETERMINATION OF ENVIRONMENTAL STRESS-CRACKING RESISTANCE
16 - F1 SCOPE
16 - F2 PRINCIPLE
16 - F3 APPARATUS
16 - F4 REAGENT
16 - F5 PREPARATION
16 - F6 CONDITIONING
16 - F7 PROCEDURE
16 - F8 REPORT
17 - APPENDIX G - METHOD FOR THE DETERMINATION OF TENSILE STRESS AT YIELD AND PERCENTAGE ELONGATION AT BREAK
17 - G1 SCOPE
17 - G2 PRINCIPLE
17 - G3 APPARATUS
17 - G4 PREPARATION
17 - G5 CONDITIONING
17 - G6 PROCEDURE
17 - G7 REPORT

Specifies requirements for coating for protection against corrosion, where the coating is not subject to weather exposure (a safe period of 18 months of weather exposure is allowed for to cover an extended storage period prior to installation), and the pipeline operating temperatures are not above +60 degrees Celsius nor below -40 degrees Celsius. Coating thickness for normal and heavy duty for a given range of nominal pipe sizes are tabulated.

This Standard specifies requirements for fusion-bonded low-density polyethylene coating of pipes and fittings for protection against corrosion. The coating is intended for use on pipes and fittings that are installed in locations not subject to weather exposure, although a safe period of 18 months of weather exposure is allowed for to cover the storage period prior to installation.NOTES:1 Advisory information on methods of determining compliance of a 'lot' with this Standard is given in Appendix A.2 Guidelines to purchasers on requirements that are to be specified by the purchaser and those that are to be or may be agreed upon at the time of enquiry or order are given in Appendix B.3 The attention of purchasers is drawn to the necessity to ascertain the expected weathering period of the coating before installation, and in the likelihood of 18 months being exceeded, to make provision for shielding of the coating from direct sunlight.Polyethylene materials complying with this Standard are intended for application to pipes and fittings where the pipeline operating temperatures are not normally more than +60C nor less than -40C.

Committee
WS-009
DocumentType
Standard
ISBN
0 7262 7442 9
Pages
13
ProductNote
Withdrawn 29-11-2018.
PublisherName
Standards Australia
Status
Withdrawn
Supersedes

First published as AS 2518-1982.Second edition 1992. First published as AS 2518-1982. Second edition 1992.

HB 18.44-1991 Guidelines for third-party certification and accreditation - Guide 44: General rules for ISO or IEC international third-party certification schemes for products
AS 1627.4-1989 Metal finishing - Preparation and pretreatment of sufaces - Abrasive blast cleaning
AS 1145-1989 Determination of tensile properties of plastics materials
AS 1327-1972 Standard environments for conditioning and testing plastics materials
AS 1627.2-2002 Metal finishing - Preparation and pretreatment of surfaces Power tool cleaning (Reconfirmed 2017)
AS 3862-1991 External fusion-bonded epoxy coating for steel pipes
AS 1627.4-2005 Metal finishing - Preparation and pretreatment of surfaces Abrasive blast cleaning of steel (Reconfirmed 2017)
AS 1579-2001 Arc-welded steel pipes and fittings for water and wastewater (Reconfirmed 2018)
AS 1463-1988 Polyethylene pipe extrusion compounds
AS 1199-1988 Sampling procedures and tables for inspection by attributes
AS 1627.2-1989 Metal finishing - Preparation and pretreatment of surfaces - Power tool cleaning
AS 1579-1993 Arc welded steel pipes and fittings for water and waste water
AS/NZS 1580.108.1:1994 Paints and related materials - Methods of test Determination of dry film thickness on metallic substrates - Non-destructive methods (Reconfirmed 2013)
AS 1399-1990 Guide to AS 1199 - Sampling procedures and tables for inspection by attributes
AS 1327-2001 Plastics - Standard atmospheres for conditioning and testing
AS 1193-1989 Plastics - Methods for determining the density and relative density of non-cellular plastics
AS 3900.1-1987 Quality management and quality assurance Standards Guidelines for selection and use
AS 1580.108.1-1980 Paints and related materials - Methods of test Determination of dry film thickness on iron and steel substrates (permanent magnet instruments)

AS 2885.1-1997 Pipelines - Gas and liquid petroleum Design and construction

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