Standard
Track updates
AS 3776:2015
[Current]Lifting components for Grade T(80) and V(100) chain slings
Specifies requirements for forged lifting components for use in chain sling assemblies with corresponding sizes of Grade T chain complying with AS2321. The components include hooks with eyes, clevises or other joining devices, mechanical connecting devices, and any other terminal fittings used in a lifting system based on Grade T chain. This Standard does not apply to welded components other than welded master links, welded multilink assemblies, welded joining links, or components subject to an existing Australian Standard.
Published: 11/12/2015
Pages: 41
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope and application
1.1.1 Scope
1.1.2 Application
1.2 Referenced documents
1.3 Definitions
1.4 Competent person requirements
1.4.1 General
1.4.2 Competency standards and procedures
1.4.3 Visual acuity
2 General design, manufacturing and mechanical properties
2.1 Design
2.1.1 Articulation
2.1.2 Load pin retention device
2.2 Materials and heat treatment
2.2.1 Forgings, links and load pins
2.2.1.1 Quality of material
2.2.1.2 Type of steel production
2.2.1.3 Deoxidation
2.2.1.4 Composition and heat treatment
2.2.1.4.1 General
2.2.1.4.2 Grade V(100) requirements
2.2.2 Latches
2.3 Manufacturing methods and workmanship
2.3.1 Manufacture of forged components
2.3.2 Surface finish
2.4 Mechanical properties
2.4.1 Permanent set
2.4.2 Strength
2.4.3 Ductility
2.4.3.1 General
2.4.3.2 Bend tests for welded links
2.4.3.3 Bend and impact tests for self-locking hooks
3 Testing and verification
3.1 Type testing of mechanical properties
3.1.1 General
3.1.2 Test for deformation
3.1.3 Static tensile test
3.1.4 Bend test
3.1.5 Examination for articulation and relative movement
3.1.6 Fatigue resistance
3.1.7 Acceptance criteria for type tests
3.2 Manufacturing tests
3.2.1 Manufacturing examination
3.2.2 Manufacturing proof test
3.2.3 Non-destructive test
3.2.4 Non-compliant components
4 Chain connectors and other mechanical joining devices
4.1 Design
4.2 Materials and heat treatment
4.3 Manufacturing methods and workmanship
4.4 Mechanical properties
4.5 Type testing of mechanical properties
4.6 Assembly
4.7 Test for deformation
5 Links
5.1 Design
5.2 Materials and heat treatment
5.3 Manufacturing methods and workmanship
5.3.1 Manufacture
5.3.1.1 Forged links
5.3.1.2 Welded links
5.4 Mechanical properties
5.4.1 Breaking force (BF) and elongation
5.4.2 Proof force
5.4.3 Permanent set of master links
5.5 Type testing of mechanical properties
5.5.1 Type tests
5.5.2 Bend test for welded links
6 Lifting hooks with latch
6.1 General
6.2 Design
6.2.1 General
6.2.2 Hook latches
6.3 Materials and heat treatment
6.4 Manufacturing methods and workmanship
6.5 Mechanical properties
6.6 Type testing of mechanical properties
7 Self-locking hooks
7.1 Scope of Section
7.2 Design
7.3 Materials and heat treatment
7.4 Manufacturing methods and workmanship
7.4.1 General
7.4.2 Hook tip clearance
7.5 Mechanical properties
7.6 Type testing of mechanical properties
7.6.1 Type tests
7.6.1.1 General
7.6.1.2 Bend test
7.6.1.2.1 General
7.6.1.2.2 Acceptance criteria for the bend test
7.6.1.3 Testing the latch
7.6.1.4 Impact testing of lock
8 Other hooks
8.1 Scope of Section
8.2 Specific types of hooks
8.2.1 Shortening clutches and grab hooks
8.2.2 Hooks without a latch
8.3 Design
8.4 Materials and heat treatment
8.5 Manufacturing methods and workmanship
8.6 Mechanical properties
8.7 Type testing of mechanical properties
8.8 Assembly
8.9 Instructions for use
9 Marking
10 Instructions for use
11 Hazards
11.1 Hazard identification
11.2 Risk assessment
Appendix A
Appendix B
B1 Conditions for application of test forces
B2 Test certificate
Appendix C
Appendix D
Appendix E
E1 General
E2 Manufacturing test regime and acceptance criteria when a certified quality system is in place and operating
E3 Manufacturing test regime and acceptance criteria when a certified quality system is not in place or not operating
E4 Product conformance assessment
E4.1 General
E4.2 Acceptance sampling procedure for proof and mechanical properties testing
E4.2.1 Sampling plan
E4.2.2 Static tensile test
E4.3 Risk based product conformance assessment
Cited references in this standard
[Current]
Structural steel welding, Part 4: Welding of high strength quenched and tempered steels
[Withdrawn]
Guide 62: General requirements for bodies operating assessment and certification/registration of quality systems
[Current]
Non-destructive testing — Magnetic particle testing of ferromagnetic products, components and structures
[Current]
Carbon steels and carbon-manganese steels — Hot rolled bars and semifinished products
[Current]
Wrought alloy steels — Standard, hardenability (H) series and hardened and tempered to designated mechanical properties
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