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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 supports the welds on a 2G pipe joint?

To determine

The supports of the weld on a 2G pipe joint.

Explanation

The lower beads provide supports for the weld on a 2G pipe joints.

In the 2G vertical fixed positions, of welding position, the pipe is placed vertical, and the weld is placed horizontally. In these welds position, the welder will not change the welding position. The main problem that a welder faces when he is welding the pipe in a 2G vertical fixed position is the area where he wants to weld and the area being located in corners of the sheets or plates. Because of this location, welding phenomena is difficult in this position.

The root pass goes in as with other joints. To reduce the sagging of the bottom of the weld, the electrode to work angle needs to be increased as long as the weld is burned in wall and does not have cold lap on the bottom of the weld...

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