You can also buy pre-cut panels such as PGCOKO Stainless Steel Sheets in several sizes or Lswteiz Mirror 304 Stainless Steel Shim Plates from Amazon. However, if you prefer to cut your own, ...

Some shims are stronger than others: Pressure resistance is 99,563 psi for stainless, 120,898 for steel, and 135,121 psi for laminated steel shims. Soft (1010) and stainless (AISI 302, 304, 316 ...