Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695



Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695
Textbook Problem

What welding current is needed for the GTA welding of aluminum?

To determine

The welding current needed for the GTA welding of aluminum.


GTA welding refers to Gas Tungsten Arc Welding.In gas tungsten arc welding, a non consumable electrode made of tungsten metal is used.

The arc produced during the welding operation is protected from contamination by atmospheric entities by means of an inert gas that surrounds the arc during the process.

The inert gas used is helium or argon.

Generally, the GTA welding is used to weld stainless steel and other metals which are non-ferrous like aluminum, magnesium etc except for zinc.

There are several advantages of the gas tungsten arc welding. These are as follows:

  1. This welding can be used for a variety of metals
  2. GTA welding can be used to weld thin as well as thick parts...

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