SIST EN ISO 5261:2002
(Main)Technical drawings - Simplified representation of bars and profile sections (ISO 5261:1995)
Technical drawings - Simplified representation of bars and profile sections (ISO 5261:1995)
Lays down rules complementary to ISO 128 and ISO 129 for the simplified representation of bars and profile sections in assembly and detail drawings.
Technische Zeichnungen - Vereinfachte Angabe von Stäben und Profilen (ISO 5261:1995)
Diese Norm enthält zusätzlich zu den Regeln in ISO 128 und ISO 129 Festlegungen für die vereinfachte Darstellung von Stäben und Profilen in Zusammenbau- und Einzelteil-Zeichnungen, unter anderem für: - Metallbau-Konstruktionen aus Blechen, Pofilen und Zusammenbauten (einschließlich Brücken, Fachwerke, Pfeiler usw.); - Hebe- und Transport-Einrichtungen; - Speicher- und Druckbehälter; - Aufzüge, Fahrtreppen und Förderbänder.
Dessins techniques - Représentation simplifiée des barres et des profilés (ISO 5261:1995)
La présente Norme internationale prescrit des règles complémentaires aux spécifications de l'ISO 1281) et de l'ISO 129, utilisées pour la représentation simplifiée de barres et profilés dans les dessins d'ensemble et de détail des:- structures métalliques avec tôles, profilés et éléments composés (y compris les ponts, les treillis, les poteaux, etc.);- appareils de levage et de transport;- réservoirs et récipients sous pression;- ascenseurs, escaliers mécaniques, courroies transporteuses.
Technical drawings - Simplified representation of bars and profile sections (ISO 5261:1995)
General Information
- Status
- Published
- Publication Date
- 31-Jan-2002
- Technical Committee
- TRS - Technical drawings, quantities, units, symbols and graphical symbols
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Feb-2002
- Due Date
- 01-Feb-2002
- Completion Date
- 01-Feb-2002
Relations
- Effective Date
- 28-Jan-2026
Overview
SIST EN ISO 5261:2002 specifies internationally recognized rules for the simplified representation of bars and profile sections in technical drawings. Developed by the Slovenian Institute for Standardization (SIST) and aligned with ISO 5261:1995, this standard complements ISO 128 and ISO 129, addressing the needs of professionals producing assembly and detail drawings in engineering and construction. The document unifies the way bars, structural elements, and profile components are graphically represented, facilitating clearer, standardized communication across engineering disciplines.
Key Topics
- Simplified Representation: Establishes how to depict various types of bars and profile sections (such as angle sections, beams, channels, and hollow shapes) using graphical symbols and standard notations.
- Complementary Rules: Supplements foundational drawing standards ISO 128 (general drawing principles) and ISO 129 (dimensioning) to provide specific instructions for bars and profiles.
- Symbols and Notations: Defines which graphical symbols and alternative letter symbols can be used, and prescribes how key dimensions (length, width, thickness) should accompany these symbols.
- Schematic Representation: Provides guidance for representing structural metalwork, such as compound frames and intersecting elements, using centroidal lines and simplified dimension chains.
- Designation System: Clarifies the use of ISO designations for standard profiles, streamlining item identification in documentation and item lists, as referenced in standards like ISO 7573.
Applications
SIST EN ISO 5261:2002 delivers practical value for a wide range of sectors:
- Mechanical Engineering: Enables clear, concise, and universally understood drawings of frameworks, supports, brackets, and fabricated metal components.
- Structural Engineering and Construction: Assists architects, civil engineers, and contractors in documenting bridges, frameworks, and other structures that utilize standardized bar and profile sections.
- Plant and Industrial Equipment Design: Streamlines the documentation of lifting devices, conveyors, storage tanks, and related assemblies by reducing drawing complexity while retaining essential information.
- Manufacturing and Fabrication: Simplifies preparation of production-ready drawings, reducing errors and improving efficiency in communication with suppliers and subcontractors.
Benefits:
- Reduces drawing complexity and clutter
- Ensures consistency in technical documentation
- Facilitates accurate, efficient communication between design, manufacturing, and construction teams
- Supports compliance with international standards, aiding collaboration across borders
Related Standards
For broader application and compliance, refer to the following associated standards:
- ISO 128 - Technical drawings - General principles of presentation
- ISO 129 - Technical drawings - Dimensioning
- ISO 10209-1 - Technical product documentation - Vocabulary: Terms relating to technical drawings
- ISO 7573 - Technical drawings - Item lists
- ISO 657-1 - Hot-rolled steel sections - Part 1: Equal-leg angles - Dimensions
These standards form the foundation for technical drawing practices in mechanical engineering, construction, and product design, ensuring the clarity and uniformity of documentation.
SIST EN ISO 5261:2002 provides essential guidance for anyone involved in the creation or interpretation of technical drawings involving bars and profile sections, promoting international best practices for engineering and manufacturing documentation. By adopting these rules, organizations enhance their productivity, minimize misunderstandings, and strengthen compliance with global industry standards.
Frequently Asked Questions
SIST EN ISO 5261:2002 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Technical drawings - Simplified representation of bars and profile sections (ISO 5261:1995)". This standard covers: Lays down rules complementary to ISO 128 and ISO 129 for the simplified representation of bars and profile sections in assembly and detail drawings.
Lays down rules complementary to ISO 128 and ISO 129 for the simplified representation of bars and profile sections in assembly and detail drawings.
SIST EN ISO 5261:2002 is classified under the following ICS (International Classification for Standards) categories: 01.080.30 - Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation; 01.100.30 - Construction drawings. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN ISO 5261:2002 has the following relationships with other standards: It is inter standard links to SIST EN 28632-2:1997. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN ISO 5261:2002 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-februar-2002
Technical drawings - Simplified representation of bars and profile sections (ISO
5261:1995)
Technical drawings - Simplified representation of bars and profile sections (ISO
5261:1995)
Technische Zeichnungen - Vereinfachte Angabe von Stäben und Profilen (ISO
5261:1995)
Dessins techniques - Représentation simplifiée des barres et des profilés (ISO
5261:1995)
Ta slovenski standard je istoveten z: EN ISO 5261:1999
ICS:
01.080.30 *UDILþQLVLPEROL]DXSRUDERY Graphical symbols for use on
ULVEDKGLDJUDPLKQDþUWLK mechanical engineering and
]HPOMHYLGLKYVWURMQLãWYXLQ construction drawings,
JUDGEHQLãWYXWHUYXVWUH]QL diagrams, plans, maps and in
WHKQLþQLSURL]YRGQL relevant technical product
GRNXPHQWDFLML documentation
01.100.30 *UDGEHQLQDþUWL Construction drawings
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
INTERNATIONAL
STANDARD
Second edition
1995-l I-01
Technical drawings - Simplified
representation of bars and profile sections
- Rep&en tation simplif@e des barres et des
Dessins techniques
pro filks
Reference number
IS0 5261:1995(E)
Foreword
IS0 (the International Organization for Standardization) is a worldwide
federation of national standards bodies (IS0 member bodies). The work
of preparing International Standards is normally carried out through IS0
technical committees. Each member body interested in a subject for
which a technical committee has been established has the right to be
represented on that committee. International organizations, governmental
and non-governmental, in liaison with ISO, also take part in the work. IS0
collaborates closely with the International Electrotechnical Commission
(I EC) on all matters of electrotechnical standardization.
Draft International Standards adopted by the technical committees are
circulated to the member bodies for voting. Publication as an International
Standard requires approval by at least 75 % of the member bodies casting
a vote.
International Standard IS0 5261 was prepared by Technical Committee
ISOfTC 10, Technical drawings, product definition and related documen-
tation, Subcommittee SC 6, Mechanical engineering documentation.
This second edition of IS0 5261 together with IS0 5845~I:1995 cancel
and replace IS0 5261:1981, which has been technically revised.
Annex A of this International Standard is for information only.
0 IS0 1995
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced
or utilized in any form or by any means, electronic or mechanical, rncluding photocopyrng and
microfilm, without permission in writing from the publisher.
International Organization for Standardization
Case Postale 56 l CH-1211 Geneve 20 l Switzerland
Printed in Switzerland
0 IS0
IS0 5261:1995(E)
Introduction
For purposes of uniformity, the figures given in this International Standard
are shown in first angle orthographic projection and all the linear dimen-
sions are in millimetres. It is understood that other orthographic pro-
jections or units of measure could equally well have been used without
prejudice to the principles established. The figures, chosen only to illus-
trate the text, may be incomplete.
. . .
III
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IS0 5261:1995(E)
INTERNATIONAL STANDARD 0 IS0
Technical drawings - Simplified representation of
bars and profile sections
3 Definitions
1 Scope
This International standard specifies rules comp-
For the purposes of this International Standard, the
lementary to IS0 128’) and IS0 129 for the simplified
definitions given in IS0 10209-I apply.
representation of bars and profile sections in as-
sembly and detail drawings concerning, among oth-
ers:
- structural metal work consisting of plates and
sheets, profile sections and compound elements
(including bridges, frameworks, pilings, etc.);
4 Complementary rules for the
- lifting and transport appliances;
simplified representation of bars and
- storage tanks and pressure vessels; profile sections
- lifts, moving stairways and conveyor belts.
The simplified representation of bars and profile
sections shal
...



