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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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How is the E7018 molten weld pool protected?

To determine

Protection of E718 molten weld pool.

Explanation

E7018

In E7018, Ac and DCEP polarity can be used. E7018 have flux that is hydrogen based with iron powder added. It has moderate penetration and buildup. There is hard slag but can be removed easily by one of cleaning process called chipping. Slag layer protects the metal from atmosphere. It is very susceptible to moisture which may develop porosity...

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