what element is added to iron to make steel
Adding molybdenum (and chrome, I think) makes chromoly steel, very flexible and strong steel often used in the racing industry. The element chromium, itself another metal, is added to steel (which is iron with a bit of carbon) to make stainless steel alloys.   Also added: vanadium, manganese, molybdenum, nickel, wolfram, etc.   Chromium and nickel are added to the iron to make stainless steel. it will be process in heating room.