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Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695

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BuyFindarrow_forward

Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695
Textbook Problem
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What makes helium difficult to use for manual welding?

To determine

The reason that makes helium difficult to use for manual welding.

Explanation

The manual weldingis also known as Shielded metal arc welding (SMAW) The helium is an inert gas and a by-product of natural gas. The helium gas is not used in the manual welding.

The bead profile and penetration are more sensitive to the arc length and the longer arcs that are required for longer feeding filler wires are much more difficult to control with the helium. Therefore, the helium is not used for manual welding.

The helium has some other demerits also that are as follows...

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