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During the TIG welding process, a non-consumable electrode is used in conjunction with welding consumables, in this case, the consumable is the welding wire. The weld pool is protected from contamination by the inert gas being used, which is typically argon, although this can differ depending on the project you are working on. The inert gas is pumped down the shaft of the welding tool, acting as a shield around the weld pool and doing the same job that the slag found on consumable electrodes does.
As the electrode is not consumed during the process, a filler metal must be added into the weld pool when required via a filler rod, which must closely match the metal to be welded as it is carefully introduced into the weld pool.
What should you consider when TIG welding?
Read the full version of our 5 key tips for TIG welding here: 5 Key Tips for TIG Welding
Due to the precision that can be achieved using TIG welding, it is often the method of choice for those looking for a high-quality weld. The reason for this is that the filler metal is added through the welding rod, rather than being dropped from a consumable electrode, this reduces the spatter which leads to much cleaner and more precise looking welds.
At Engweld, we stock an array of welding consumables, including TIG welding wire and electrodes.
Don't hesitate to contact us if you can't find the exact TIG welding product or the welding consumables that you're looking for. Contact Us