Understanding What Steel Is and Why It Matters Steel is one of the most important materials ever created. It shapes our cities, supports our industries, and connects the modern world. But what exactly is steel, and how is it made? At CoreMet Steel, we believe that understanding the story behind this remarkable material helps customers appreciate the quality and precision that go into every product we supply. What Is Steel? At its core, steel is an alloy of iron and carbon — two simple elements that, when combined under the right conditions, create [...]