AS 2321-2001

1 - AS 2321-2001 SHORT-LINK CHAIN FOR LIFTING PURPOSES
4 - PREFACE
4 - CONTENTS
5 - 1 SCOPE
5 - 2 REFERENCED DOCUMENTS
5 - 3 DEFINITIONS
5 - 3.1 Barrel
6 - 3.2 Breaking force
6 - 3.3 Competent person
6 - 3.4 Design factor
6 - 3.5 Finished condition
6 - 3.6 Gauge length
6 - 3.7 Mean diameter (dm)
6 - 3.8 Mean stress
6 - 3.9 Nominal chain size (d)
6 - 3.10 Nominal material size (dn)
6 - 3.11 Non-calibrated chain
6 - 3.12 Processing
6 - 3.13 Proof force
6 - 3.14 Self colour
6 - 3.15 Shall
7 - 3.16 Should
7 - 3.17 Tensile test sample
7 - 3.18 Elongation
7 - 3.19 Working load limit (WLL)
7 - 4 MATERIAL
8 - 5 DESIGN AND MANUFACTURE
8 - 5.1 Dimensions and tolerances
8 - 5.2 Welding
11 - 5.3 Links inserted in the course of manufacture
11 - 5.4 Kinking
11 - 5.5 Visual examination
11 - 6 MECHANICAL PROPERTIES
11 - 6.1 Permanent deformation
11 - 6.2 Strength
11 - 7 MARKING
11 - 7.1 General
11 - 7.2 Information
11 - 8 TESTING OF MECHANICAL PROPERTIES
12 - 9 PROOF TESTING
12 - 9.1 Proof force
12 - 9.2 Requirements
12 - 9.3 Test certificate
13 - APPENDIX A - INFORMATION THAT SHOULD BE SUPPLIED WITH ENQUIRIES AND ORDERS
14 - APPENDIX B - CARE AND USE
14 - B1 WORKING LOAD LIMIT (WLL)
14 - B2 HYDROGEN EMBRITTLEMENT
14 - B3 EFFECTS OF HOT ENVIRONMENTS
14 - B4 LOW TEMPERATURE
14 - B5 HEAT TREATMENT
14 - B6 CORROSIVE ENVIRONMENT
14 - B7 GALVANIZING
15 - B8 EXTENDING THE USEFUL LIFE
15 - B9 INSPECTION
16 - APPENDIX C - STANDARDS FOR COMPONENTS USED IN LIFTING SYSTEMS
17 - APPENDIX D - CHAIN FINISHES OTHER THAN SELF-COLOUR
18 - APPENDIX E - TEST FORCES AND CONDITIONS FOR THEIR APPLICATION
18 - E1 TENSILE TEST SAMPLE
18 - E2 CONDITIONS
20 - APPENDIX F - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
20 - F1 SCOPE
20 - F2 STATISTICAL SAMPLING
20 - F3 PRODUCT CERTIFICATION
21 - F4 SUPPLIER’S QUALITY SYSTEM
21 - F5 OTHER MEANS OF ASSESSMENT

Specifies requirements for non-calibrated chain for lifting purposes, that is manufactured from electrically welded round-steel short links.

This Standard specifies requirements for non-calibrated short-link chain for lifting purposes, manufactured from electrically welded round-steel short links.NOTES: 1 Guidance on information that should be supplied with enquiries and orders is given in Appendix A.2 Guidance on care and use of chain is given in Appendix B.3 Standards for components that are used in lifting systems are listed in Appendix C.

First published as AS 2321-1979.
Second edition 2001.