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Types of
Electric Welding
By Jay
Leone
Welding
materials is an effective way to join them together without employing fittings.
MIG
welding, TIG welding and stick welding are three types of electric arc welding.
Arc
welding refers to welding that is achieved by streaming an arc of electricity
between an electrode and a workload.
Most
methods of welding use a shielding gas to promote smoothness at the weld point,
prevent contamination at the weld point, improve quality of the weld and
stabilize the live arc of electricity between electrode and workload.
MIG Welding
Gas
metal arc welding refers to MIG welding; it is a method of welding that is
often used when working on steel.
The
process essentially involves melting a fill-metal onto a workload.
MIG
welding is a relatively clean process; only a little spatter is produced while
welding is taking place. Welders can perform longer welds without interruption
using this method of welding because few starts and stops are required in the
process.
The
typical shielding gas employed in this type of welding is either argon or an
argon mixture containing oxygen or carbon dioxide.
Perhaps
some of the only drawbacks linked with this type of welding are that it can be
difficult to create an arc to begin the whole process, and the welds this
process creates can be heavily oxidized.
TIG Welding
Gas
tungsten arc welding refers to TIG welding; it is a welding method often
employed while working with magnesium, aluminum, titanium, nickel and copper
alloys.
TIG
welds can be made with or without fill-metal.
TIG
welds can be created much smaller than MIG welds because heat is better
pinpointed in TIG welding systems.
One
drawback to this type of welding when compared to MIG welding is that TIG welds
take longer to produce than MIG welds.
This
type of welding is one of the cleanest methods because no spatter is produced.
Argon
alone or in combination with helium or hydrogen is often used as a shielding
gas for this type of welding.
Stick Welding
One
of the first methods of welding available, shielded metal arc welding is also
referred to as stick welding.
This
method of welding is ideal for use on bridges, metal art, piping, tractors and
other outdoor welding applications because outdoor elements like rain will not
compromise the integrity of the weld.
Proper
stick welding can be difficult and is only recommended for very experienced
welders.
About
the Author
This
article was written by the Sciencing team, copy edited and fact checked through
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