M00019832
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ISO DIS 3580 2016 Edition, January 21, 2016 WELDING CONSUMABLES - COVERED ELECTRODES FOR MANUAL METAL ARC WELDING OF CREEP-RESISTING STEELS - CLASSIFICATION
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Availability date: 07/14/2021
Description / Abstract:
This International Standard specifies requirements for
classification of covered electrodes, based on the allweld metal in
the heat-treated condition, for manual metal arc welding of
ferritic and martensitic creepresisting and low alloy elevated
temperature steels.
This International Standard is a combined specification for
classification utilizing a system based upon the chemical
composition of the all-weld metal, with requirements for the yield
strength and impact energy of the all-weld metal, or utilizing a
system based upon the tensile strength and the chemical composition
of the allweld metal.
a) Paragraphs and tables which carry the suffix letter “A” are
applicable only to electrodes classified to the system based upon
chemical composition, with requirements for the yield strength and
impact energy of the all-weld metal under this International
Standard.
b) Paragraphs and tables which carry the suffix letter “B” are
applicable only to electrodes classified to the system based upon
the tensile strength and the chemical composition of all-weld metal
under this International Standard.
c) Paragraphs and tables which do not have either the suffix
letter “A” or the suffix letter “B” are applicable to all covered
electrodes classified under this International Standard.
For comparison purposes, some tables include requirements for
electrodes classified according to both systems, placing individual
electrodes from the two systems, which are similar in composition
and properties, on adjacent lines in the particular table. In a
particular line of the table that is mandatory in one system, the
symbol for the similar electrode from the other system is indicated
in parentheses. By appropriate restriction of the formulation of a
particular electrode, it is often, but not always, possible to
produce an electrode that can be classified in both systems, in
which case the electrode, and/or its packaging, may be marked with
the classification in either or both systems.