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UDC 669.14
IS0
FOR STAND A RD I ZATl O N
INTERN AT I ON AL ORGAN IZAT I ON
/
IS0 RE OMMEI’$EKATION ,’
4 /
FLATT dl ING TE T ON STEEL TUBES
1st EDITION
June 1961
COPYRIGHT RESERVED
The copyright of IS0 Recommendations and IS0 Standards
belongs to IS0 Member Bodies. Reproduction of these
documents, in any country, may be authorized therefore only
by the national standards organization of that country, being
a member of ISO.
For each individual country the only valid standard is the national standard of that country.
Printed in Switzerland
Copies to be obtained through the national standards organizations.
Also issued in French and Russian.
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BRIEF HISTORY
The IS0 Recommendation R 202, Flattening Test on Steel Tubes, was drawn up by Tech-
nical Committee iSO/TC 17, Steel, the Secretariat of which is held by the British Standards
Institution (B.S.J.).
At the fourth meeting of the Technical Committee ISO/TC 17, in Stockholm, in June 1955,
a draft proposal for a flattening test on steel tubes was first submitted. It was, however, suggest-
ed at that meeting that the draft should be submitted to the Technical Committee ISO/TC
5 “Pipes and Fittings” for comment, and that these comments, together with those of the
Members of Technical Committee ISO/TC 17, should be considered by Working Group No. 1,
with a view to establishing a revised draft proposal.
At the fifth meeting of the Technical Committee, held in London, in March 1957, it was
pointed out that this test, together with four others for steel tubes, was still under consideration
by Working Group No. 1.
At the sixth plenary meeting, in Harrogate, in June 1958, a new draft proposal was placed
before Technical Committee ISO/TC 17 for consideration and, with one or two minor editorial
amendments, was accepted as suitable for circulation to the members of Technical Committee
for postal approval.
As a result of that circulation, certain other minor amendments were made, and a revised
draft was sent to the General Secretariat as a Draft IS0 Recommendation.
On 24 July 1959, the Draft IS0 Recommendation (No. 291) was distributed to all the IS0
Member Bodies and was approved by the following Member Bodies:
Australia Germany Norway
Austria Greece Poland
Belgium Hungary Portugal
Bulgaria India
Romania
Burma Israel Spain
Chile Italy Sweden
Czechoslovakia Japan Switzerland
Denmark Mexico
United Kingdom
Finland Netherlands
U.S.S.R.
France New Zealand
No Member Body opposed the approval of the Draft.
The Draft IS0 Recommendation was then submitted by correspondence to the IS0 Council,
which decided, in June 1961, to accept it as an IS0 RECOMMENDATION.
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I
ISO/R 202 - 1Ml (E)
R 202
IS0 Recommendation June 1961
FLATTENING TEST ON STEEL TUBES
1. SCOPE
This IS0 Recommendation applies to s
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