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BS EN ISO 13920:1997

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Welding. General tolerances for welded constructions. Dimensions for lengths and angles. Shape and position
Available format(s)

Hardcopy , PDF

Superseded date

15-06-2023

Language(s)

English

Published date

15-01-1997

Foreword
1 Scope
2 Normative references
3 Definitions
4 General tolerances
4.1 Tolerances for linear dimensions
4.2 Tolerances for angular dimensions
4.3 Straightness, flatness and parallelism tolerances
5 Indications on drawings
6 Testing
6.1 General
6.2 Straightness
6.3 Flatness
6.4 Parallelism
7 Non-conformities

Defines general tolerances for linear and angular dimensions and for shape and position of welded structures in four tolerance classes, based on customary workshop accuracy.

This European Standard specifies general tolerances for linear and angular dimensions and for shape and position of welded structures in four tolerance classes, these being based on customary workshop accuracy. The main criterion for the selection of a particular tolerance class should be the functional requirements which are to be met.

The applicable tolerances are always those which are stated in the drawing. Instead of specifying individual tolerances the tolerance classes according to this standard may be used.

General tolerances for linear and angular dimensions and for shape and position as specified in this standard apply for weldments, welding assemblies and welded structures etc.

Special provisions may be necessary for complex structures.

The specifications given in this standard are based on the principle of independency as specified in ISO 8015, according to which the dimensional and geometrical tolerances apply independently of each other.

Manufacturing documentation in which linear and angular dimensions or indications for shape and position are presented without individually indicated tolerances shall be deemed incomplete if there is no, or inadequate, reference to general tolerances. This does not apply to temporary dimensions.

Committee
WEE/-/1
DevelopmentNote
Supersedes 94/703588 DC & 94/703589 DC. (11/2005) Reviewed and Confirmed by BSI, August 2006. (07/2006)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

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BS 8888:2004 TECHNICAL PRODUCT SPECIFICATION (TPS) - SPECIFICATION
BS 8888:2017 Technical product documentation and specification
BS 8888:2006 Technical product specification (TPS). Specification
BS 8888:2013 Technical product documentation and specification

ISO 8015:2011 Geometrical product specifications (GPS) Fundamentals Concepts, principles and rules
ISO 6906:1984 Vernier callipers reading to 0,02 mm
ISO 3599:1976 Vernier callipers reading to 0,1 and 0,05 mm

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