14/30285793 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS EN 16771 - RAILWAY APPLICATIONS - INFRASTRUCTURE - ALUMINOTHERMIC WELDING OF GROOVED RAILS
Hardcopy , PDF
30-11-2016
English
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 Annex A (informative) - Steps in approval
Annex B (informative) - Suggested sequence of
laboratory tests
Annex C (normative) - Procedure for FRY etching
Annex D (normative) - Procedure for measurement
of surface hardness
Annex E 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
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