Svetsning och lödning: allmänt

Kommittébeteckning: SIS/TK 254 (Järnvägar)
Källa: CEN
Svarsdatum: den 25 jul 2019
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This document specifies requirements for the:

— approval of training facilities, testing and maintaining the skills of aluminothermic welders and welding trainers. It applies to those aluminothermic welding processes compliant with the requirements of EN 14730-1. It requires that the system for training and testing of welders be approved by the railway authority;

— approval of aluminothermic welding contractors. It applies to those contractors using aluminothermic welding processes compliant with the requirements of EN 14730-1 and who employ welders in the possession of a valid permit to weld as defined in Clause 4 of this standard;

— acceptance of the final aluminothermic weld inspections and aluminothermic weld inspectors approved by the railway authority. It does not cover any previous weld inspections by the welder or others.

This document also applies to aluminothermic welds produced on Vignole railway rail 46 kg/m and above, as contained in EN 13674-1.

Kommittébeteckning: SIS/TK 134 (Svetsteknik)
Källa: CEN
Svarsdatum: den 8 aug 2019
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This part of ISO 25239 specifies requirements for the qualification of welding operators for friction stir welding (FSW) of aluminium. In this document, the term "aluminium" refers to aluminium and its alloys.

This document does not apply to "operators" as defined in ISO 25239-1.

This document does not apply to friction stir spot welding which is covered by the ISO 18785- series.