WorksheetsSMAW electrodes
Total questions: 10
Worksheet time: 5mins
The weld bead in smaw is formed by the
electrode wire core alone
base metal mixing with the flux
flux coating
electrode wire core mixing with molten base metal
Which american welding society specifications cover the most common electrodes for welding carbon steel and low-alloy high strength steels.
A5.1and A5.3
A5.1 and A5.5
A5.11
A5.24
The rated tensile strength of the deposited weld metal from an E7018 electrode is
7,018 psi
18,000 psi
70,000psi
180,000 psi
All SMAW electrodes used for code governed wor must have the AWS classification number printed on them as well as on the
container in which they are shipped
oven in which they will be stored
matching electrode holder
final weld
Electrodes with powdered iron in their flux belong to the
fast fill (F1) electrode group
fill freeze(F2) electrode group
fast freeze(F3) electrode group
low hydrogen(F4) electrode group
A SMAW electrode number that ends with an R means that it
is rod shaped rather than a wire spool
is moisture resistant
contains a rust preventative
is a universal rod for all applications
An example of a deep penetrating SMAW electrode such as the one that would be used for poorly prepared surfaces or butt joints is
E7024
E7028
E6010
R6013
Welding in Vertical and overhead positions should not be attempted with SMAW electrodes larger than 3/16" in diameter unless the electrode is classified as
low-hydrogen(F4)
fast freeze(F3)
fill freeze(F2)
Fast fill(F1)
After a sealed container of low hydrogen SMAW electrodes is opened the electrodes must be stored in an appropriate oven at a minimum temp setting of
100F
150F
200F
250F
Low hydrogen electrodes that have been exposed to liquid water should be
used only for non-nuclear applications
dried at a temp of at least 500F
dried for at least 10 days
disposed of
