During the years I working in fabrication I used about every brand. When our company began switching over to wire machines in the mid-70's they went with Hobart and for years thats all we had in the shop (over 100 welders) In the 90's they switched to Miller. I know they're made by the same...
When using flux-core wire it's extremely important to clean all of the flux from the weld before the next pass. I usually use a wire brush on a 4 1/2" grinder. Multi-pass welding is easy, it's just best to stack the welds in a logical pattern for the type of joint and the joint prep. The...