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BS EN ISO 2553 ISO 2553 Welding and allied processes. Symbols for welding. Welded joints

Source:
ISO
Committee:
WEE/1 - Definitions and symbols for welding
Categories:
Drawings. Mechanical engineering | Welded joints and welds
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This document defines the rules to be applied for symbolic representation of welded joints. This can include information about the geometry, manufacture, quality and testing of the welds.The symbols are intended to enable standardized representation of the welds to be made,For the purposes of this document, drawings can be on paper or generated using electronic means e.g. CAD systems.It is recognized that there are two different approaches in the global market to designate the arrow side and other side. In this document:— clauses, tables and figures which carry the suffix "system A" are applicable only to the symbolic representation system based on a dual reference line;— clauses, tables and figures which carry the suffix "system B" are applicable only to the symbolic representation system based on a single reference line;— clauses, tables and figures which do not have the suffix "system A" or "system B" are applicable to both systems.The symbols shown in this document can be combined with other symbols, for example to show surface finish requirements.An alternative designation method is presented which can be used to represent welded joints by specifying essential design information such as weld dimensions, quality level, etc. The joint preparation and welding process(es) are then determined by the production unit in order to meet the specified requirements.The principles of this document can also be applied to soldered and brazed joints.NOTE Examples given in this document, including dimensions, are illustrative only and are intended to demonstrate the proper application of principles.

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