Alloy steel for mechanical parts

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In addition to iron, carbon, and a small amount of inevitable silicon, manganese, phosphorus, and sulfur elements, steel also contains a certain amount of alloying elements. The alloying elements in steel include silicon, manganese, molybdenum, nickel, chromium, vanadium, and titanium. , niobium, boron, lead, rare earth, etc. and one or more of them, this kind of steel is called alloy steel. The alloy steel systems of various countries vary according to their respective resource conditions, and production and use conditions. Foreign countries have developed nickel and chromium steel systems in the past, while our country has developed alloys based on silicon, manganese, vanadium, titanium, niobium, boron, and rare earths. steel system.


Alloy steel accounts for about ten percent of the total steel production. It is generally smelted in electric furnaces. Alloy steel can be divided into 8 categories according to its use. They are alloy structural steel, spring steel, bearing steel, and alloy tools. Steel, high-speed tool steel, stainless steel, heat-resistant peeling steel, and silicon steel for electricians.

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