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BS EN 818-2 : 1997
Current
The latest, up-to-date edition.
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SHORT LINK CHAIN FOR LIFTING PURPOSES - SAFETY - PART 2: MEDIUM TOLERANCE CHAIN FOR CHAIN SLINGS - GRADE 8
Hardcopy , PDF
English
01-01-1997
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Hazards
5 Safety requirements
5.1 General
5.2 Dimensions
5.2.1 Nominal size of chain, d[n]
5.2.2 Tolerance on material diameter (except at the weld)
5.2.3 Weld diameter
5.2.4 Length dimensionally affected by welding
5.2.5 Pitch and widths
5.3 Materials and heat treatment
5.3.1 Quality of material
5.3.2 Heat treatment
5.4 Mechanical properties
5.4.1 Manufacturing proof force (MPF)
5.4.2 Breaking force (BF) and total ultimate
elongation (A)
5.4.3 Bend deflection
6 Verification of safety requirements
6.1 Qualification of personnel
6.2 Size of lot and selection of samples
6.3 Manufacturing proof force, breaking force and total
ultimate elongation
6.3.1 Static tensile test
6.3.2 Manufacturing proof force acceptance criteria
6.3.3 Breaking force and total ultimate elongation
acceptance criteria
6.4 Bend deflection
6.4.1 Bend test
6.4.2 Bend deflection acceptance criteria
7 Marking
8 Manufacturer's certificate
9 Information for use
Annex A (informative) - Calculation of dimensions, working
load limits and mechanical properties
A.1 Dimensions and tolerances
A.2 Working load limits and mechanical properties
Annex B (informative) - Weight of chain
Annex C (informative) - Designation system for chain (medium
tolerance) - grade 8
Annex ZA (informative) - Relationship between this European
Standard and the Essential Requirements of EU
Directive 98/37/EC
Annex ZB (informative) - Relationship between this European
Standard and the Essential Requirements of EU
Directive 2006/42/EC
Bibliography
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