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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 is the purpose of the root pass?

To determine

The purpose of the root pass in welding.

Explanation

A root weld is the first weld in a joint.The root pass is the first weld bed of a multiple pass weld. Root pass welding is a series of welds that make up a multiple pass weld. It is used to establish the contour and depth of penetration. The root pass fuses the two parts together and establishes the depth of weld metal penetration. The root may be either open or close using a baking strip or backing ring...

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