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Welding: Principles and Applicatio...
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Welding: Principles and Applicatio...
Why must shielding gas hoses not be made from rubber?
The reason that the shielding gas hoses are not made up from rubber.
Shielding gases are used in the welding processes. These gases are used to protect the molten weld pool from the oxygen and water vapour present in the atmosphere. Shielding gas prevents the reaction between atmospheric air and the weld pool and hence gives a better joint.
Generally, an inert gas is used as a shielding gas. This inert gas provides the desired arc properties. It shields the molten weld pool from the air to get contaminated...
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