Alloy steel is a metal material based on iron that improves the properties of steel by adding one or more other elements (such as manganese, silicon, nickel, vanadium, chromium, molybdenum, etc.). These added elements are called alloying elements, and their total content is usually between 1% and 50%. Alloy steel has higher strength, hardness, wear resistance, corrosion resistance and other special properties than ordinary carbon steel, so it has a wide range of applications in engineering, machinery, aviation, automotive and other fields.
Alloy steels can be classified according to their main alloying elements. For example:
Manganese alloy steel: the main alloying element is manganese, which improves the strength and toughness of steel.
Silicon alloy steel: the main alloying element is silicon, which improves the elastic limit and wear resistance.
Chromium alloy steel: the main alloying element is chromium, which improves hardness, wear resistance and corrosion resistance.
Nickel alloy steel: the main alloying element is nickel, which improves strength, toughness and corrosion resistance.
Molybdenum alloy steel: the main alloying element is molybdenum, which improves the red hardness, strength and wear resistance.
Vanadium alloy steel: the main alloying element is vanadium, which improves strength, hardness and wear resistance.
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