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Ferrous metal & Nonferrous metal

1. Ferrous metal


It refers to iron and its alloys. Such as steel, pig iron, ferroalloy, cast iron, etc. Steel and pig iron are based on iron, carbon as the main added element of alloy, collectively known as iron carbon alloy.
Pig iron refers to the product made by smelting iron ore in blast furnace, which is mainly used for steelmaking and casting.
Cast pig iron is melted in an iron melting furnace to obtain cast iron (liquid iron carbon alloy with carbon content greater than 2.11%). The liquid cast iron is called cast iron.
Ferroalloy is an alloy composed of iron and silicon, manganese, chromium, titanium and other elements. Ferroalloy is one of the raw materials for steel-making. It is used as deoxidizer and alloy element additive in steel-making.
The iron carbon alloy with carbon content less than 2.11% is called steel. The pig iron for steelmaking is put into the steelmaking furnace and melted according to a certain process to obtain steel. Steel products include ingots, continuous casting billets and direct casting of various steel castings. Generally speaking, steel refers to the steel rolled into various steels.


2. Nonferrous Metals


Also known as non-ferrous metals, it refers to metals and alloys except ferrous metals, such as copper, tin, lead, zinc, aluminum, brass, bronze, aluminum alloy and bearing alloy. In addition, chromium, nickel, manganese, molybdenum, cobalt, vanadium, tungsten and titanium are also used in industry. These metals are mainly used as alloy additives to improve the properties of metals. Tungsten, titanium and molybdenum are mostly used to produce cemented carbide for cutting tools. These nonferrous metals are called industrial metals. In addition, there are precious metals: platinum, gold, silver, and rare metals, including radioactive uranium and radium.




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