Know-How Notes: How to Cut Sheet Metal - NAPA Know How Blog
You can go up a couple thickness with aluminum- 20-gauge steel vs. 18-gauge aluminum, but the opposite is true for stainless. If it can handle 18-gauge steel, it might be able to handle 22-gauge stainless, and that is a big maybe. Stainless steel is much more dense than steel, and it known to destroy tools. Hand Tools