nevaehdeshay24 nevaehdeshay24

09-03-2022
Engineering

contestada

Shielding gas protects both the tungsten electrode and the weld puddle
from oxygen during welding.

True or False

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narstarolor narstarolor

09-03-2022

Answer:

False, it protects the weld pool against elements in the atmosphere such as nitrogen and hydrogen

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mattlambrix mattlambrix

11-03-2022

True, along with nitrogen and hydrogen shielding gas helps to prevent oxygen from being introduced to the molten pool of metal until solidification occurs. It also helps to prevent the tungsten from oxidizing.

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