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Iron (Fe) with atomic number 26 and being in group 8 of the periodic table is a widely used metal in the world, which is famous for its silver and shiny colors and its wide range of applications. This substance is found in large quantities in the form of melt in the Earth's core, is the most common element on Earth in terms of mass, and forms many layers of the Earth's outer and inner core. Iron ores are also one of the most abundant elements in the earth's crust; However, the extraction of usable metal requires furnaces or furnaces that can reach temperatures of 1500 ° C or higher.
That is about 500 degrees Celsius (900 degrees Fahrenheit) higher than what is enough to melt copper.
Iron is significant as the final element produced and is therefore the heaviest element that does not require a similar cataclysmic event to form. Hence , this metal is the most abundant heavy metal in the world , and it is believed to be the 10th most abundant element in the world . The concentration of iron in the various layers of the earth is from above in the inner core to about 5% in the outer crust, and the inner core of the earth may be composed of an iron crystal. Although it is probably a mixture of iron and nickel , it is thought that the existence of a large amount of iron in the ground contributes to its magnetic field . It is a metal iron that is mined in its magnetic field as well as from iron ore , and is hard to be found in free mode . Iron is one of the main elements in the production of steel, which is not an element but an alloy and a solution of various metals and some non-metals, especially carbon. these properties have caused the use of iron in the industry to be widely welcomed . The application of this alloy in the industry has a very wide range . This popular and important metal is used from steel making to civil engineering such as reinforced concrete, beams, food industry, agriculture, military, etc. Iron is used to make alloy steels , such as carbon steels , additives such as nickel , chromium , vanadium , tungsten , and manganese .
The most common use of iron for bridge construction is the power tower , the bicycle chain , cutting tool and gun tube .
Cast iron contains 3-5% carbon and is used to make pipes, valves and pumps. Iron catalysts are also used in special processes for ammonia production, and on the other hand, it should be noted that magnets can be made of this metal and its alloys and compounds. The highest amount of iron obtained for steel production is used in structural engineering ( reinforced concrete , beams , etc. ) .
The largest scale chemical compounds in the industry are iron (II) sulfate (FeSO4 · 7H2O) and iron (III) chloride (FeCl3). The first is one of the available sources of iron (II) and is more stable than air oxidation. It should be noted that iron (II) compounds are converted to iron (III) oxides in air.
Today, the industrial production of iron or steel consists of two main stages; In the first stage, iron ore is reduced by coke in the furnace and the molten metal is separated from impurities such as silicate minerals, and in the same stage, an alloy is produced that contains relatively large amounts of carbon. Then , in the second stage , the carbon content in iron produced by oxidation decreased to be produced by steel or cast iron.
At such stages it is permissible to add other metals to form alloy steels, and the resulting steel products are often subjected to heat or heat treatment after forming. Heating them at 800 - 800 C for several hours and then cooling causes the steel to be soft and usable .
The coke in question is actually a porous solid that provides carbon for the reaction and is also the main fuel used in the furnace.
when it comes to industrial applications , powders and iron shells are more important than other metal powder or alloys . The use of iron in the industry as a cutting tool or surface guard coat using a wide range of iron powder makes it one of the most popular metallurgy products .
Iron is the most widely used metal in the automotive industry . galvanized , alloy and carbon cards have been made so that this metal can be used in many ways to design high - luxury cars . The various parts of the vehicles we use, such as the chassis, roof, brakes, wheels, engine and exhaust, are all made of steel, but more than one type of steel is used to make the car. Perhaps the biggest advantage of using steel is that it is available in different grades, which creates a lightness in the car body.
The increase in food consumption across the world has accelerated the evolution of world agricultural sector developments . Scientific research into the production of additives enhances the ability of several micronutrients, including elements such as iron chelate. Improving performance quality is the widespread use of iron as a nutrient in the industry . In fact, iron ore is considered as an ideal agricultural micronutrient due to its efficient and cost-effective use in agriculture.
Food has two kinds of iron : both iron and non - iron . Iron is found in meat , fish , and fish , and is a kind of iron that is easily absorbed into the body , and you absorb up to 30 % of the consumer iron . Eating meat in general also increases your amount of iron much higher than non - reinforcing iron . Non - ferrous iron is found in vegetable foods such as fruits , vegetables and brains , and are an important part of a healthy diet , but iron in these foods is not completely absorbed and , unfortunately , you are absorbed between 2 and 10 % of the non - corrosive iron , and iron is highly absorbed by the foods that have non - iron .
Ahan Pouya with more than a decade of best-selling experience, adheres to professional and ethical principles in the field of selling and buying at inside and outside the borders of Iran, helping you in the steel industry.
