What is the difference between iron and steel?
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What is the difference between iron and steel? Iron smelting is the process of extracting metallic iron from iron-containing minerals (mainly iron oxides). In actual production, pure iron does not exist; what is obtained is an iron-carbon alloy. Pig iron is an iron-carbon alloy with a carbon content of over 2%; industrial pig iron typically has a carbon content ranging from 2.11% to 4.3%. Wrought iron refers to a relatively pure form of iron that is obtained by refining pig iron. The carbon content is below about 0.02%. Steel is a general term for iron-carbon alloys whose carbon content, in terms of mass percentage, ranges from 0.02% to 2.11%. The chemical composition of steel can vary greatly; steel that contains only carbon is called carbon steel or plain steel ； In actual production, steel often contains different alloying elements depending on its intended use, such as manganese, nickel, vanadium, and so on.
The biggest difference between iron and steel is their carbon content
It is the poplar whose content of various elements varies
Can I say that iron is an element and steel is an alloy?
The carbon content is different; this is the main difference
The carbon content varies; steel is produced by refining pig iron, and it possesses high mechanical strength and toughness. Materials with a carbon content of less than 2.11% are called steel, while those with a carbon content higher than 2.11% are called iron. Stainless steel is also known as alloy steel; it is created by adding metals such as cobalt, chromium, nickel, tungsten, and titanium to ordinary steel.