Use of submerged arc welding:
this is important that the slag is totally removed before making another weld pass. The submerged arc process is shown in Figure.
![1588_Submerged Arc Welding.jpg](https://www.expertsmind.com/CMSImages/1588_Submerged%20Arc%20Welding.jpg)
Figure: Submerged Arc Welding Process
Factors that find out whether to use submerged arc welding include :
o The chemical composition and mechanical properties need of the final deposit.
o Thickness of base metal to be welded.
o Joint accessibility.
o Position in which the weld is to be made.
o Frequency or volume of welding to be performed.