Stainless steel, true to its name, resists rust. Cheaper grades of the material, however, are susceptible to pit corrosion, in which small spots on the metal’s surface erode at accelerated rates. In ...

From cutlery and cooking pans to the inside of a Formula 1 car engine or a huge chemical process plant, stainless steel is all around us. It’s not meant to corrode, but it can, and when it does the ...