The manufacturer of pellet powder will introduce the difference between steel and iron.
The difference between steel and iron is the carbon content. Iron can be converted into steel by refining.
1. Steel is the general term of ferroalloy. The carbon content is between 0.02% and 2.04%. The chemical composition of steel varies greatly. Steel containing only carbon is called carbon steel or ordinary steel. In actual production, steel usually contains different alloy elements, such as manganese, according to its application. Nickel, vanadium, etc;
Low carbon steel: carbon content is generally less than 0.25% (mass fraction);
Medium carbon steel: carbon content is generally 0.25% - 0.60% (mass fraction);
High carbon steel: carbon content is usually higher than 0.60% (mass fraction).
2. Iron is a chemical element. Its chemical symbol is iron and its atomic number is 26. It is a commonly used metal. It's transition metal. It is the second highest metal element in the earth's crust.
Iron is widely distributed in our daily life, accounting for 4.75% of the earth's crust, next to oxygen, silicon and aluminum, ranking fourth in the earth's crust. Pure iron is a flexible and malleable silver white metal used to make iron cores for generators and motors. Iron and its compounds are also used to make magnets, pharmaceuticals, inks, pigments, abrasives, etc. It is one of the "ferrous metals" in industry (the other two are chromium and manganese) (its pure pig iron is silvery white. The reason why iron element is called "ferrous metal" is that the surface of iron is often covered with a protective film, the main component of black iron oxide. In addition, the body also contains iron. Iron ion with + 2 valence is an important part of hemoglobin, which is used for oxygen transport.
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