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BS ISO 16872:2015 Round steel short link chains for lifting purposes. Fine tolerance hoist chains for hand operated chain hoists. Grade VH >
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BS ISO 16872:2015 Round steel short link chains for lifting purposes. Fine tolerance hoist chains for hand operated chain hoists. Grade VH, 2015
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 General conditions of acceptance
- 5 Dimensions
- 5.1 Nominal size, dn
- 5.2 Diameter tolerance
- 5.3 Pitch
- 5.4 Width
- 5.5 Standard gauge length
- 5.6 Weld diameter
- 5.7 Length dimensionally affected by welding
- 6 Material and manufacture
- 6.1 Quality of material
- 6.1.1 General
- 6.1.2 Type of steel
- 6.1.3 Deoxidation
- 6.1.4 Weldability
- 6.1.5 Chemical composition
- 6.1.6 Finished condition
- 6.2 Heat treatment
- 6.3 Working load limits (WLL)
- 6.4 Mechanical properties
- 6.4.1 Manufacturing proof force (MPF)
- 6.4.2 Breaking force (BF)
- 6.4.3 Total ultimate elongation, A
- 6.4.4 Bend deflection, f
- 6.4.5 Surface hardness
- 6.4.6 Toughness
- 7 Verification of safety requirements
- 7.1 Size of lot and selection of samples
- 7.2 Manufacturing proof force (MPF) — Acceptance criteria
- 7.3 Breaking force (BF) and total ultimate elongation — Acceptance criteria
- 7.4 Bend deflection
- 7.4.1 Bend test
- 7.4.2 Bend deflection — Acceptance criteria
- 7.5 Hardness test — Acceptance criteria
- 7.6 Toughness of chain test material
- 7.6.1 Toughness test
- 7.6.2 Toughness test — Acceptance criteria
- 8 Marking
- 8.1 Grade marking
- 8.2 Manufacturer’s marking
- 9 Manufacturer’s certificate
- 10 Information for assembly into the chain hoist and for use
- 10.1 General
- 10.2 Assembly of hoist chain into the chain hoist
- 10.3 Hoist chain use
- 10.4 Inspection
- Annex A (normative) Bases for calculation
- Bibliography [Go to Page]
