AS 2321-2006

1 - AS 2321-2006 SHORT-LINK CHAIN FOR LIFTING PURPOSES
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
7 - 3 DEFINITIONS
7 - 3.1 Barrel
7 - 3.2 Breaking force
7 - 3.3 Competent person
7 - 3.4 Design factor
7 - 3.5 Finished condition
7 - 3.6 Gauge length
7 - 3.7 Mean diameter (dm)
7 - 3.8 Mean stress
7 - 3.9 Nominal chain size (d)
7 - 3.10 Nominal material size (dn)
7 - 3.11 Non-calibrated chain
7 - 3.12 Processing
7 - 3.13 Proof force
8 - 3.14 Self colour
8 - 3.15 Shall
8 - 3.16 Should
8 - 3.17 Tensile test sample
8 - 3.18 Total elongation
8 - 3.19 Working load limit (WLL)
8 - 4 MATERIAL
9 - 5 DESIGN AND MANUFACTURE
9 - 5.1 Dimensions and tolerances
9 - 5.2 Welding
12 - 5.3 Links inserted in the course of manufacture
12 - 5.4 Kinking
12 - 5.5 Visual examination
12 - 6 MECHANICAL PROPERTIES
12 - 6.1 Permanent deformation
12 - 6.2 Strength
12 - 7 MARKING
12 - 7.1 General
12 - 7.2 Information
13 - 8 TESTING OF MECHANICAL PROPERTIES
13 - 9 PROOF TESTING
13 - 9.1 Proof force
13 - 9.2 Requirements
13 - 9.3 Test certificate
14 - APPENDIX A - INFORMATION THAT SHOULD BE SUPPLIED WITH ENQUIRIES AND ORDERS
15 - APPENDIX B - CARE AND USE
15 - B1 WORKING LOAD LIMIT (WLL)
15 - B2 HYDROGEN EMBRITTLEMENT
15 - B3 EFFECTS OF HOT ENVIRONMENTS
15 - B4 LOW TEMPERATURE
15 - B5 HEAT TREATMENT
15 - B6 CORROSIVE ENVIRONMENT
15 - B7 GALVANIZING
16 - B8 EXTENDING THE USEFUL LIFE
16 - B9 INSPECTION
17 - APPENDIX C - STANDARDS FOR COMPONENTS USED IN LIFTING SYSTEMS
18 - APPENDIX D - CHAIN FINISHES OTHER THAN SELF-COLOUR
19 - APPENDIX E - TEST FORCES AND CONDITIONS FOR THEIR APPLICATION
19 - E1 TENSILE TEST SAMPLE
19 - E2 CONDITIONS
22 - APPENDIX F - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
22 - F1 SCOPE
22 - F2 STATISTICAL SAMPLING
22 - F3 PRODUCT CERTIFICATION
23 - F4 SUPPLIER'S QUALITY MANAGEMENT SYSTEM
23 - F5 OTHER MEANS OF ASSESSMENT
24 - APPENDIX G - DETERMINATION OF ELONGATION
24 - G1 GENERAL
24 - G2 DETERMINATION OF PLASTIC ELONGATION OF BROKEN TEST SAMPLE.
25 - G3 DETERMINATION OF TOTAL ELONGATION OF UNBROKEN TEST SAMPLE
25 - G4 DETERMINATION OF TOTAL ULTIMATE ELONGATION.

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

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

Originated as AS 2321-1979.
Third edition 2006.