I.S. EN 16771:2016
Current
The latest, up-to-date edition.
RAILWAY APPLICATIONS - INFRASTRUCTURE - ALUMINOTHERMIC WELDING OF GROOVED RAILS
Hardcopy , PDF
English
01-01-2016
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
National Foreword
European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Information to be supplied by the railway authority
5 Approval procedure
6 Re-approval following process changes
7 Laboratory tests
Annex A (informative) - Steps in approval
Annex B (informative) - Suggested sequence of laboratory tests
Annex C (informative) - Procedure for FRY etching
Annex D (normative) - Procedure for measurement of
surface hardness
Annex E (normative) - Procedure for slow bend test
Annex F (normative) - Procedure for recording test weld fracture
face defects
Annex G (normative) - Ultrasonic inspection procedure on
aluminothermic welds to be sectioned
Annex H (normative) - Procedure for microscopic examination
of the visible heat affected zone and fusion zone of
welds
Annex I (normative) - Procedure for measurement of the heat
softened zone width
Bibliography
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