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Mar
Vertical 7018. They both can be used in all positions and be run on AC as well as DCEP however 7018 is not a good rod for welding vertical down because of the amount of slag it produces. 242007 7018 vertical is a little tricky at first but once you get used to it you will love running it vertical. Download Swatch JPG 15039 kb. Go watch someone who has a vertical that you think looks good.
I can do some beautiful welding in all positions but vertical. Watch there rod angle tight arc motion etc. Machine to machine there is maybe a difference in what amps say and what amps you get but on mine that worked fine. I work as a welding instructor and have been a welder for a few years. And meets most military and marine specifications. 7018 as well as make production welds with 532 electrodes.
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ChuckE2009 has a good video on youtube about vertical 7018. Every type of rod burns different and every machine burns a little different. Classified by Underwriters Laboratories Inc. This is about how to pass the AWS D11 SMAW 3G welding certification limited thickness procedure. I will show you what to look for while Im welding and how its important to hol. Download Swatch JPG 15039 kb.