What’s the difference? .030 vs .035 flux core wire. WebThe sizes under debate mainly are .030 and .035 – they both are a good option, but to give you a short answer, as a hobbyist, welding between 22ga and 1/8 inch, the .030 will do the job. I think it is the most versatile size wire to use as a welder. The 0.35 would be more.

Web  There isn’t a major difference between the 0.030 and 0.035 flux-cored wires. But each is more suited for specific applications. These differences mainly revolve.