I.S. EN 14730-1:2017

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 (normative) - Procedure for Fry etching
Annex D (informative) - 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
Annex J (normative) - Fatigue test methods for
        aluminothermic welds
Annex K (informative) - Adeviations
Bibliography

Describes the laboratory tests and requirements for approval of an aluminothermic welding process using welds produced in workshop conditions.