Classification of heat treatment process

Steel is an alloy of iron, carbon as the main ingredient, heat treatment plant its carbon content is generally less than 2.11%. Steel is a very important metal material in economic construction. According to the chemical composition of steel into carbon steel (carbon steel and alloy steel for short) two categories. Carbon steel is an alloy of iron smelting, iron, carbon is the main ingredient, but also contains a small amount of manganese, silicon, sulfur, phosphorus and other impurities. Carbon steel has a certain mechanical properties, but also has good technical performance, and the price is low. Therefore, carbon steel has been widely used. But with the rapid development of modern industry and science and technology, the performance of carbon steel can not meet the need, so people have developed a variety of alloy steel. Alloy steel is a multi alloy, which is based on carbon steel, with the purpose of adding some elements (known as alloying elements).