"Corrosion is a natural process that converts a refined metal into a more chemically stable form". Oxidation is the most well known form of corrosion, but ther

"Corrosion is a natural process that converts a refined metal into a more chemically stable form". Oxidation is the most well known form of corrosion, but there are many other corrosive reactions out there. https://en.wikipedia.org/wiki/Sulfide#Corrosion_induced_by_sulfide https://en.wikipedia.org/wiki/Sulfide#Corrosion_induced_by_s...