|
IS0
I NT ERN AT I O N A L O RG A N IZAT I O N FOR STAND AR D I Z AT I O N
IS0 RECOMMENDATION
R 547
LENGTHS AND TOLERANCES OF ELECTRODES
FOR THE WELDING OF MILD STEEL
AND LOW ALLOY HIGH TENSILE STEEL
1st EDITION
January 1967
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
Also issued in French and Russian. Copies to be obtained through the national standards organizations.
---------------------- Page: 1 ----------------------
BRIEF HISTORY
The IS0 Recommendation R 541, Lengths and Tolerances of Electrodes for the
Welding of Mild Steel and Low Alloy High Tensile Steel, was drawn up by Technical
Committee ISO/TC 44, Welding, the Secretariat of which is held by the Association
Française de Normalisation (AFNOR).
Work on this question by the Technical Committee began in 1955 and led, in 1957.
to the adoption of a Draft IS0 Recommendation.
In September 1958, this Draft IS0 Recommendation (No. 232) was circulated to all
the IS0 Member Bodies for enq
...