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BS EN ISO 2553:2019:2022 Edition

BS EN ISO 2553:2019:2022 Edition

$198.66

Welding and allied processes. Symbolic representation on drawings. Welded joints

Published By Publication Date Number of Pages
BSI 2022 64
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This document defines the rules to be applied for symbolic representation of welded joints on technical drawings. This can include information about the geometry, manufacture, quality and testing of the welds. The principles of this document can also be applied to soldered and brazed joints.

It is recognized that there are two different approaches in the global market to designate the arrow side and other side on drawings. In this document:

  • clauses, tables and figures which carry the suffix letter “A” are applicable only to the symbolic representation system based on a dual reference line;

  • clauses, tables and figures which carry the suffix letter “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 letter “A” or “B” are applicable to both systems.

The symbols shown in this document can be combined with other symbols used on technical drawings, for example to show surface finish requirements.

An alternative designation method is presented which can be used to represent welded joints on drawings 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.

NOTE Examples given in this document, including dimensions, are illustrative only and are intended to demonstrate the proper application of principles.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
13 4 Welding symbol
4.1 General
4.2 Basic welding symbol
14 4.3 Welding symbol systems
4.4 Elementary symbols
4.4.1 General
17 4.4.2 Combinations of elementary symbols
4.4.3 Double-sided butt welds
18 4.5 Supplementary symbols
4.5.1 General
21 4.5.2 Weld-all-around symbol
22 4.5.3 Welds of the same type made from point to point
23 4.5.4 Field welds
4.5.5 Root reinforcement — Butt welds made from one side
4.5.6 Welds on flanged butt and flanged corner joints
25 4.6 Arrow line
4.6.1 General
4.6.2 Multiple arrow lines
4.6.3 Broken arrow line
26 4.7 Reference line and weld location
4.7.1 Reference line
4.7.2 Weld location
27 4.7.3 Multiple reference lines
28 4.8 Tail
29 5 Dimensioning of welds
5.1 General
5.2 Cross-sectional dimensions
5.3 Length dimensions
5.3.1 General
5.3.2 Intermittent welds
30 5.4 Butt welds
5.4.1 Penetration depth
5.4.2 Double-sided welds
5.4.3 Flanged butt welds
5.4.4 Flare bevel and flare-V butt welds
5.5 Fillet welds
5.5.1 Weld size
5.5.2 Deep penetration fillet welds
31 5.6 Plug welds in circular holes
5.7 Plug welds in elongated holes (slots)
5.8 Spot welds
5.9 Seam welds
5.10 Edge welds
5.11 Stud welds
32 5.12 Overlay welds
5.13 Stake welds
45 6 Dimensioning of joint preparations
6.1 General
6.2 Root gap
6.3 Included angle
46 6.4 Root radius and depth of root faces — U and J butt joints
6.5 Depth of joint preparation
47 6.6 Countersink angle for plug welds
48 7 Alternative butt weld symbol with required weld quality
7.1 General
7.2 Example
49 Annex A (informative) Examples of the use of welding symbols
59 Annex B (informative) Tolerances and transition points for weld types
60 Annex C (informative) Alternative methods for designating intermittent butt and fillet welds
63 Bibliography

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BS EN ISO 2553:2019
$198.66