Thanks, I am going to give it a try.

My neighbor brought me a post driver to be repaired. It has a single acting cylinder that raises the weight. The end of the cylinder shaft (hardened) broke were the threads start. Can this be welded back with any success? If so, what process? I have stick welder and a mig. My gut feeling is to repla...

Thanks for the tips!!!

Does a plasma cutter do better than acet / oxy cutting torch on rusty steel? I do repairs on old rusty farm equipment and sometimes it is a pain trying to cut through old rusty welds and pitted steel (starts and stops). I was wondering if you would have to do as much cleaning before cutting with a p...

Thanks for the help. I decided to go ahead and rent the portable DC rig. That is probally a bad decision - I will want to buy one!!!

Thanks for the response. I am putting in upright supports to hold guard rails on the sides. 1/2" steel- horizontal and vertical welds. This is a small bridge that is used for small utility equipment.

I have been welding for 25 years (mig and AC stick). I have never welded with a DC welder. I am going to do some welding on a bridge on my farm and thought that renting a poratable DC welder would be my best option. So, any tips on welding with the DC unit- rods? polarity? settings? Thanks