National foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Hazards
5 Safety requirements
5.1 Dimensions
5.2 Material, manufacture and heat treatment
5.2.1 Material
5.2.2 Welding and trimming
5.2.3 Heat treatment
5.2.4 Surface finish
5.2.5 Links inserted in the course of manufacture
5.3 Mechanical properties
5.3.1 Manufacturing proof force (MPF)
5.3.2 Breaking force (BF) and total ultimate
elongation (A)
5.3.3 Bend deflection
6 Verification of safety requirements
6.1 Qualification of personnel
6.2 Material diameter
6.3 Condition of chain tested
6.4 Selection of samples
6.5 Static tensile test
6.5.1 Testing machine
6.5.2 Tensile test samples
6.5.3 Procedure
6.5.4 Total ultimate elongation (A)
6.6 Bend test
6.6.1 Test equipment
6.6.2 Procedure
6.7 Acceptance criteria
6.8 Re-tests
7 Marking
7.1 Grade marking
7.2 Manufacturer's marking
7.3 Additional marking
8 Manufacturer's certificate
9 Information for use
Annex A (normative) - Requirements for the static
tensile test machine
Annex B (normative) - Requirements for the bend
test equipment
Annex C (informative) - Proposed contractual clauses
C.1 General
C.2 Inspection
C.3 Inspection marking
C.4 Steel makers cast analysis
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