What is stainless steel? Md. Saifur Rahman Stainless Steel is the mixture of molten carbon, nickel, and chromium in hot molten iron. Composition in Iron 74%, Chromium 18%, Nickel 8%.You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?