TS EN 12345

TS EN 12345 is a multilingual terminology standard for welded joints, presented with illustrations. In welding and manufacturing documentation, consistent naming matters because the same joint form must be understood the same way across languages, drawings, specifications, and training material. This standard supports that shared technical language.

Why welded-joint terminology matters

Welded joints are technical features shaped by joint geometry, part arrangement, and the intended fabrication method. Clear terminology helps distinguish butt, fillet, lap, and other joint arrangements, reducing ambiguity in engineering communication. In general technical practice, this kind of vocabulary standard is especially useful where design teams, production staff, inspectors, and translators need to refer to the same weld form with precision.

What this standard focuses on

Based on the supplied title and scope, the standard organizes terms for welded joints together with illustrations, so the concepts are tied to visual representations as well as words. That makes cross-language equivalence easier to use in practice. Its focus is on terminology and understanding, not on prescribing welding operations themselves. For that reason, it is most relevant to technical documentation, education, drawing interpretation, and multilingual industrial communication.