ISO 8493:1986
(Main)Metallic materials — Tube — Drift-expanding test
Metallic materials — Tube — Drift-expanding test
Matériaux métalliques — Tubes — Essai d'évasement
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Standards Content (Sample)
International Standard @ 8493
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION*MEWYHAPOfiHAR OPrAHMJAUMR no CTAHflAPTM3AUMM*ORGANlSATlON INTERNAilONALE DE NORMALISATION
Metallic materials - Tube - Drift expanding test
O
Matériaux métalliques - Tubes - Essai d'évasement
First edition - 1986-10-01
Ref. No. IS0 W93-1986 (E)
w UDC 669-462:620.163.22
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Descriptors : metals, metal tubes, tests, drift expanding tests.
ii
Price based on 2 pages
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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, govern-
mental and non-governmental, in liaison with ISO, also take part in the work.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for approval before their acceptance as International Standards by
the IS0 Council. They are approved in accordance with IS0 procedures requiring at
least 75 % approval by the member bodies voting.
International Standard IS0 8493 was prepared by Technical Committee ISO/TC 164,
Mechanical testing of metals.
It cancels and replaces IS0 Recommendations R 166-1960, R 195-1961 and R 953-1969,
of which it constitutes a technical revision.
Users should note that all International Standards undergo revision from time to time
and that any reference made herein to any other International Standard implies its
latest edition, unless otherwise stated.
O International Organization for Standardization, 1986
Printed in Switzerland
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IS0 8493-1986 (E)
INTERNATIONAL STANDARD
Drift expanding test
Metallic materials - Tube -
1 Scope and field of application 3 Symbols, designations and units
This International Standard specifies a method for determining Symbols, designations and units for the drift expanding test of
the ability of metallic tubes of circular cross-section having an
tubes are given in the figure and the table.
outside diameter not greater than 150 mm (100 rnm for light
metals) and thickness not greater than 10 mm to undergo
plastic deformation in drift expansion. The range of the outside
diameter or thickness for which this International Standard is
applicable may be more exactly specified in the relevant stan-
dard.
Table - Symbols, designations and units
Symbol Designation Unit
2 Principle
D Original outside diameter of the tube mm
a Wall thickness of the tube mm
Expanding the end of a tube, or the end of a test piece cut from
L Length of the test piece before the test mm
a tube, by means of a conical mandrel, until the maximum
Du Maximum outside diameter after testing mm
ouside diameter of the expanded
...
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