Referring to Figure 28-8 through Figure 28-15, which electrode has the deepest penetration?
The electrode that has deepest penetration from figure 28-8 through figure 28-15.
E6010
The electrodes designated as E6010 are used with DCEP polarity. They have forceful arc that will help to keep the penetration deeper. It is used in vertical and overhead position. These electrodes have stepping and whipping motion which helps to remove harmful or unwanted surface materials such as oil, dirt, paint and galvanizing materials.
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E7018
In E7018, Ac and DCEP polarity can be used. E7018 have flux that is hydrogen based with iron powder added...
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