I had also thought of making two splices in the beam one at 10 ft on each end. My thinking was that this would place the welded points in places of less stress. Do you feel I need to go this route if I plate the beam as I described? I welded two pieces of beam together today that I plan on using as a brace for another project and I had almost 3/4 of a day by the time I was done. This was a practice run to see how straight I could make it and it turned out pretty nice if I say so myself.
I don't have an air arc setup so I had to grind the joints and I don't know about the 30 degree thing I'm not as steady as I used to be but it didn't turn out bad. Also what rod would you think is best suited to get the best all around results. I'm not a welder by trade but I have welded plenty over my life time and where as sometimes it ain't pretty like I have seen others do I haven't had a weld break yet. I have a 295 Amp buzz box I do most of my stick welding with but I could use the Dynasty 350 if I had to it's just that it would be a pain to get it out to where I have to weld this long section. I could also mig weld it but it would be harder to get that machine out there than it would be the blue one. Thank you