The term 'Stainless Steel Element' can be summarized as an alloy composed of iron, chromium, and NICKEL. NICKEL is a chemical element with the symbol Ni and atomic number 28, and is one of the most important elements in stainless steel. It is a silvery-white lustrous metal with a slight golden tinge, and is highly corrosion-resistant. NICKEL is commonly used in alloys, such as stainless steel, and is also used in coins, magnets, batteries, and jewelry.