NF EN ISO 2553

NF EN ISO 2553

February 2014
Standard Cancelled

Welding and allied processes - Symbolic representation on drawings - Welded, brazed and soldered joints

ISO 2553:2013 defines the rules to be applied for symbolic representation of welded joints on technical drawings. This may include information about the geometry, manufacture, quality and testing of the welds. The principles of this standard may 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 ISO 2553:2013: sections, tables and figures which carry the suffix letter "A" are applicable only to the symbolic representation system based on a dual reference line; sections, tables and figures which carry the suffix letter "B" are applicable only to the symbolic representation system based on a single reference line; sections, tables and figures which do not have the suffix letter "A" or "B" are applicable to both systems.The symbols shown may be combined with other symbols used on technical drawings, for example to show surface finish requirements.An alternative designation method is presented which may 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.

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Main informations

Collections

National standards and national normative documents

Publication date

February 2014

Number of pages

67 p.

Reference

NF EN ISO 2553

ICS Codes

01.080.30   Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation
25.160.40   Welded joints and welds

Classification index

A80-020

Print number

1

International kinship

ISO 2553:2013

European kinship

EN ISO 2553:2013
Sumary
Welding and allied processes - Symbolic representation on drawings - Welded, brazed and soldered joints

ISO 2553:2013 defines the rules to be applied for symbolic representation of welded joints on technical drawings. This may include information about the geometry, manufacture, quality and testing of the welds. The principles of this standard may 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 ISO 2553:2013: sections, tables and figures which carry the suffix letter "A" are applicable only to the symbolic representation system based on a dual reference line; sections, tables and figures which carry the suffix letter "B" are applicable only to the symbolic representation system based on a single reference line; sections, tables and figures which do not have the suffix letter "A" or "B" are applicable to both systems.

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

An alternative designation method is presented which may 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.

Replaced standards (1)
NF EN 22553
August 1994
Standard Cancelled
Welded, brazed and soldered joints. Symbolic representation on drawings.

Standard replaced by (1)
NF EN ISO 2553
April 2019
Standard Current
Welding and allied processes - Symbolic representation on drawings - Welded joints

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.

Table of contents
  • Avant-propos
  • 1
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Symbole de soudage
  • 5 Dimensions des soudures
  • 6 Cotation des assemblages avant soudage
  • 7 Autre symbole de soudure bout à bout avec niveau de qualité requis
  • Annexe A (informative) Exemples d'utilisation des symboles de soudage
  • Annexe B (informative) Tolérances et points de transition pour les types de soudure [9]
  • Annexe C (informative) Autres méthodes de désignation des soudures bout à bout et d'angle discontinues
  • Bibliographie
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