Introduction To Steel

Steel is a general term for iron-carbon alloys with a carbon content mass percentage between 0.02% and 2.11%. The chemical composition of steel can vary greatly, with small amounts of elements such as manganese, phosphorus, silicon, sulfur, and steel with a carbon content of less than 1.7% being called carbon steel [5]; In actual production, steel often contains different alloying elements according to its use, such as manganese, nickel, vanadium, and so on. The history of human application and research on steel is quite long, but until the invention of the bainite steelmaking method in the 19th century, the production of steel was a high cost and low efficiency task. Nowadays, steel has become one of the most commonly used materials in the world due to its low price and reliable performance, and is an indispensable component in the construction industry, manufacturing industry, and people's daily lives. It can be said that steel is the material foundation of modern society.