Which process uses a non-consumable tungsten electrode?

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Multiple Choice

Which process uses a non-consumable tungsten electrode?

Explanation:
Non-consumable electrodes stay intact and don’t melt into the weld. Gas Tungsten Arc Welding uses a tungsten electrode that remains in the arc while the heat is applied to the workpiece. The tungsten electrode does not become part of the weld, and filler metal is added separately if needed. Shielding gas, usually argon or a mixture, protects the molten pool from the atmosphere, letting you weld with great precision, often on thinner or more delicate materials. This is different from the other common welding methods, which use electrodes that melt and become part of the weld—wire or coated rods are consumed as they deposit material.

Non-consumable electrodes stay intact and don’t melt into the weld. Gas Tungsten Arc Welding uses a tungsten electrode that remains in the arc while the heat is applied to the workpiece. The tungsten electrode does not become part of the weld, and filler metal is added separately if needed. Shielding gas, usually argon or a mixture, protects the molten pool from the atmosphere, letting you weld with great precision, often on thinner or more delicate materials. This is different from the other common welding methods, which use electrodes that melt and become part of the weld—wire or coated rods are consumed as they deposit material.

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