What happens next?

How to acid etch steel
Choose the type of steel you want to etch.
You can etch stainless steel, mild steel, or high-carbon steel. Which type of steel you etch will determine the best acid or chemical to use to etch it with.

Pick from:
[I] Whatever types of steel you have selected, gather any needed information about the materials and quantity of the acid you use and deduct the amount of the acid you use. You can purchase acid etching tools at the local metal store..
[II] In general, the more acid you use, the more acid you'll need to etch. Metal conducts and produces it's uric acid while glass conducts and produces its uric acid..
[III] Make sure the steel you choose for your acid is formulated for acid etching. Be sure that it's formulated for acid etching and not just for metal or plastic..
[IV] Remove any burrs on the edges of the steel. File away any burrs on the side of the steel you plan to etch with acid..
[IV]