Question

The electrode used in TIG welding is made from ____ metal.
A) nickel
B) tungsten
C) copper​

Answer 1

B) tungsten..

Tungsten is a rare metallic element used for manufacturing gas tungsten arc welding (GTAW) electrodes. The GTAW process relies on tungsten's hardness and high-temperature resistance to carry the welding current to the arc. Tungsten has the highest melting point of any metal, 3,410 degrees Celsius.

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Answer 2

Answer:

B) tungsten

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