My opinion on the scale of 1 - 10 is as follows.
1 is zero experience, withing a few hours of dedicated practice with someone knowledgeable can be a 4 or 5.
To me, a 5 is 10x better than a 4.
Then as each number increases it is 10x harder to achieve. So a 5 to 7 would be 100x more difficult to achieve.
Most students that leave school with 9-12 qualifications are welding on a 5-6 level.
The professional welders I know and respect who give me advice and tips regularly, that I call for help, in my opinions are 7 or 8s.
I consider myself a 5.
I have failed more tests than I have passed, but I rarely fail visually. It took me nearly 15 tests to pass Horizontal mig.
This taught me the most about short circuit mig and it's problems.
I have 5 mig qualifications, 10 if you count the redundant ones only with different machine settings.
I have 5 tig qualifications, again not counting the different ones with wire size changes.
I have one stick qualifications.
I have failed many tests finding out what's wrong, why, and how to fix it.
My point to all this, I consider myself a 5. I'd put JF at a 2.
The best welder I have ever first hand personally seen, I consider an 8. He competed on the national level. These are a few of his welds. His welds are practically flawless, yet he can show me errors in each one. He is humble, and willing to learn more and more. We both push each other to be better and continually share info and criticism.
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