ISO 6363-6:2012

INTERNATIONAL ISO
STANDARD 6363-6
First edition
2012-07-15
Wrought aluminium and aluminium
alloys — Cold-drawn rods/bars, tubes
and wires —
Part 6:
Drawn round tubes — Tolerances on form
and dimensions
Aluminium et alliages d’aluminium corroyés — Barres, tubes et fils
étirés à froid —
Partie 6: Tubes ronds étirés — Tolérances sur forme et dimensions
Reference number
©
ISO 2012
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ii © ISO 2012 – All rights reserved

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Materials . 1
5 Tolerances on dimensions . 2
5.1 General . 2
5.2 Diameter — Round tube . 3
5.3 Wall thickness — Round tube . 4
5.4 Fixed-length tolerances . 4
5.5 Squareness of cut ends . 5
6 Tolerances on form . 5
6.1 General . 5
6.2 Straightness . 5
Bibliography . 7
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
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. ISO collaborates closely with the International
Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. 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.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 6363-6 was prepared by Technical Committee ISO/TC 79, Light metals and their alloys, Subcommittee
SC 6, Wrought aluminium and aluminium alloys.
ISO 6363 consists of the following parts, under the general title Wrought aluminium and aluminium alloys —
Cold-drawn rods/bars, tubes and wires:
— Part 1: Technical conditions for inspection and delivery
— Part 2: Mechanical properties
— Part 3: Drawn round bars and wires — Tolerances on form and dimensions (symmetric plus and minus
tolerances on diameter)
— Part 4: Drawn rectangular bars and wires — Tolerances on form and dimensions
— Part 5: Drawn square and hexagonal bars and wires — Tolerances on form and dimensions
— Part 6: Drawn round tubes — Tolerances on form and dimensions
iv © ISO 2012 – All rights reserved

INTERNATIONAL STANDARD ISO 6363-6:2012(E)
Wrought aluminium and aluminium alloys — Cold-drawn rods/
bars, tubes and wires —
Part 6:
Drawn round tubes — Tolerances on form and dimensions
1 Scope
This part of ISO 6363 specifies the tolerances on form and dimensions of wrought aluminium and aluminium
alloy drawn round tubes (seamless and porthole).
This part of ISO 6363 applies to cold-drawn round tubes.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced document
(including any amendments) applies.
ISO 6363-1, Wrought aluminium and aluminium alloys — Cold-drawn rods/bars, tubes and wires — Part 1:
Technical conditions for inspection and delivery
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 6363-1 apply.
4 Materials
For the purposes of this part of ISO 6363, wrought aluminium and aluminium alloys are divided into two groups,
which correspond to varying difficulty whenever manufacturing the products.
Th
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