Table of Contents

European foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Information to be supplied by the railway authority<br>5 Approval procedure<br>6 Re-approval following process changes<br>7 Laboratory tests<br>Annex A (informative) - Steps in approval<br>Annex B (informative) - Suggested sequence of laboratory tests<br>Annex C (informative) - Procedure for FRY etching<br>Annex D (normative) - Procedure for measurement of<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;surface hardness<br>Annex E (normative) - Procedure for slow bend test<br>Annex F (normative) - Procedure for recording test weld fracture<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;face defects<br>Annex G (normative) - Ultrasonic inspection procedure on<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;aluminothermic welds to be sectioned<br>Annex H (normative) - Procedure for microscopic examination<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of the visible heat affected zone and fusion zone of<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;welds<br>Annex I (normative) - Procedure for measurement of the heat<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;softened zone width<br>Bibliography

Abstract

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

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	RAE/2
Supersedes	14/30285793 DC : 0