Wire Welder....OT?

As a general rule of thumb it takes 1 amp per 1/1000 inch thickness so a 90 amp wire welder will safely weld a .090 part together with full penetration. Just piling up a weld bead at a joint that is too big for your machine will cause huge headaches and rarely results in an adequate or safe weld. So stick with .023 and .030 flux cored and keep your work small enough to work within the general guide lines. I am a former welder and can tell you that a small machine like the one you have is OK for sheet metal or very small parts thicknesses, but will never be up to the task of any real structural work of any kind at all. Sorry, but thems the breaks when you start buying welders...

Bob
 
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