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IS0
INTERN AT1 ON A L ORGAN IZATl ON FOR STAND AR D I ZATl O N
IS0 RECOMMENDATION
R 154
'\ SHIPBUILDING DETAILS
MARKING OF ROLLED, DRAWN AND EXTRUDED PRODUCTS
IN LIGHT ~TALS OR IN LIGHT ALLOYS
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1st EDITION
March 1960
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 oniy valid standard is the national standard of that country.
Printed in Switzerland
Also issued in French and Russian. Copies to be obtained through the national standards organizations.
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BRIEF HISTORY
The IS0 Recommendation R 154, Marking of Rolled, Drawn and Extruded Products in
Light Metals or in Light Alloys for Shipbuilding, was drawn up by Technical Committee
ISO/TC 8, Shipbuilding Details, the Secretariat of which is held by the Stichting Nederlands Nor-
malisatie-instituut ("1).
At its first meeting, held in Paris, in January 1954, Working Group ISO/TC 8/WG 1,
Light Metals and their Alloys for Shipbuilding, decided to draft a proposal for the standardization
marking of light metals and their alloys applied in shipbuilding.
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At the second meeting, held in Dusseldorf, in December 1954, this subject has been con-
sidered. A proposal drawn up by France was discussed at the third meeting, held in The Hague,
in November 1955. At the fourth meeting, held in Genoa, in November 1956, a draft proposal
based on the proposal of France was discussed and approved with the addition, on the request
of Italy, that markings should only be carried out at the explicit demand of the customers.
At the fifth meeting of the Working Group, held in Paris, in November 1957, the revised
draft proposal was discussed again and was agreed to by all the delegates present.
Final approval of all the members of the Working Group was obtained in February 1958.
The final draft proposal was distributed to all the members of the Technical Committee on
28 April 1958; no objection having been raised against this draft proposal, it was adopted as a
Draft IS0 Recommendation.
On 12 December 1958, the Draft IS0 Recommendation (No. 267) was distributed to ali
the IS0 Member Bodies and was approved, sub
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