Wear gloves, safety glasses, and a respirator
Work in a well-ventilated area
Remove loose dirt and grease from the metal
Choose a paint removal method
Apply chemical paint stripper according to the label
Let the stripper soften the paint
Scrape off the loosened paint with a plastic or metal scraper
Repeat as needed for remaining paint
Use sandpaper, a wire brush, or a sanding block for stubborn spots
Use a heat gun to soften paint if appropriate for the metal
Wipe the metal clean with a solvent or degreaser
Rinse and dry the metal thoroughly
Sand the surface smooth
Dispose of paint residue and chemicals safely