The difference between alloy steel and carbon steel

1. Steel can be divided into carbon steel and alloy steel according to its carbon content and alloy content. Steel also generally refers to iron-carbon alloys, or a solid solution of carbon in crystalline iron. Steel refers to steel containing silicon and manganese as alloying elements or deoxidizing elements, as well as other alloying elements (such as chromium, nickel and other elements, etc.), and some also contain certain non-metallic elements (such as boron, nitrogen, etc.). steel. According to the content of alloying elements in steel, it can be divided into low alloy steel, medium alloy steel and high alloy steel.

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Second, the steel containing other alloying elements is alloy steel. The total content of alloying elements can reach 10~28%, which is high alloy steel. Alloy steel, in addition to iron and natural elements in steel, also added other alloying elements to change or improve some characteristics of steel, such as CrNiMnMoWVB and so on. In addition to iron and carbon, some other metals are added to alloy steel to change the function of the material. The role of chromium is to make the steel resistant to corrosion, and the role of nickel is to reduce the austenitization temperature of stainless steel.
3. Carbon steel does not contain other alloying elements; carbon steel is also steel with a carbon content of less than 1.35%. Carbon steel, that is, in addition to iron, generally only has the five natural elements carbon, silicon, manganese, phosphorus and sulfur, and no other alloying elements are added.
Fourth, the difference between alloy steel and carbon steel: carbon steel does not contain useful alloying elements, and is an alloy with iron, carbon, and manganese as the primary elements. Mechanical performance is not as good as alloy steel. Furthermore, the price of carbon steel is much lower than that of alloy seamless steel pipe, so the performance of alloy steel is much higher than that of carbon steel.

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