ISO 23300-2:2025
ISO 23300-2:2025 Railway infrastructure — Rail welding — Part 2: Aluminothermic welding
CDN $337.00
This publication was last reviewed and confirmed in 2025.
Railway infrastructure — Rail welding — Part 2: Aluminothermic welding
Description
This document specifies the requirements on rail aluminothermic welding, including the requirements for approval process, laboratory tests, approval of welder and contractor, as well as the acceptance criteria of aluminothermic welds in track.
This document concerns the welding of 43 kg/m to 75 kg/m new vignole rails of the same profiles and the same grades.
This document is restricted to butt welding for connecting rail ends.
NOTE Conformity with the requirements of this document does not ensure the suitability of a welding process for specific conditions of track and traffic.
This document does not cover welds made between different rail sections, differently worn rails or different rail grades.
Edition
1
Published Date
2026-06-19
Status
PUBLISHED
Pages
39
Language
English
Format
Secure PDF
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Abstract
This document specifies the requirements on rail aluminothermic welding, including the requirements for approval process, laboratory tests, approval of welder and contractor, as well as the acceptance criteria of aluminothermic welds in track.
This document concerns the welding of 43 kg/m to 75 kg/m new vignole rails of the same profiles and the same grades.
This document is restricted to butt welding for connecting rail ends.
NOTE Conformity with the requirements of this document does not ensure the suitability of a welding process for specific conditions of track and traffic.
This document does not cover welds made between different rail sections, differently worn rails or different rail grades.
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