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Home > Ordnance Documents and other related manuals > > Shielded-arc or Heavy-coated Electrodes.
Types of Electrodes
Figure 2. Arc Action and Electric Welding Polarity

Welding Operations, I
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WELDING OPERATIONS I - OD1651 - LESSON 1/TASK 1
FIGURE 1.
BARE ELECTRODE MOLTEN METAL
TRANSFER AND LIGHT COATED
ELECTRODE ARC ACTION.
(c) Some of the light coatings may produce a slag, but it is
quite thin and does not act in the same manner as the shielded-
arc, slag-type electrode.
The action of an arc obtained with a
light-coated electrode is shown in figure 1, view B.
(3) Shielded-arc or Heavy-coated Electrodes.
Shielded-arc or
heavy-coated  electrodes  are  used  for  welding  steels  and  cast
iron.  The arc action obtained with a shield-arc or heavy-coated
electrode is shown in figure 2, view A, on the following page.
This type of electrode is made of wire with a thick coating which
has been applied by
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