Design and structural engineering
ISO 2553 welding symbols
EN ISO 2553 defines the symbolic representation of welded joints on technical drawings. The module explains reference lines, arrows, elementary and supplementary symbols, dimensions and process information.
Open interactive module →Topic overview
The interactive diagram explains the individual parts of a weld symbol: arrow, reference line, elementary symbol, dimensions, supplementary information and positioning rules according to EN ISO 2553.
Move the pointer over blue points A–G in the diagram. The panel explains what each part of the symbol means and what the welding engineer should verify.
What the module covers
- ISO 2553 — weld symbols on technical drawings
- Point to a symbol element
Educational content does not replace current standards, approved WPS/WPQR documentation or decisions by competent welding coordination personnel.
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