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diagram on how iron is mined

Iron Mining Process - Minnesota Iron

From blasting to crushing to separation – more than 85% of the iron mined in the United States is mined in northeastern Minnesota to make our nation’s steel. Blasting Taconite is a very hard rock. Using explosives the taconite is blasted into small pieces. Transportation The taconite pieces are scooped up by electric shovels. Each.

How steel is made - a summary of a Blast Furnace

To make steel iron ore is first mined from the ground. It is then smelted in blast furnaces where the impurities are removed and carbon is added. In fact a very simple definition of steel is "iron alloyed with carbon usually less than 1%." The following text is taken from the Structural Manual For Ironworkers Manual V-Volume I.

How is Iron Ore Mined - Pediaa.Com

Iron ore can be mined from all places in the world but to be commercially viable the percentage of iron in this iron ore needs to be at least 20%. This is because lower iron content in the ore will render all the money and effort exerted in mining the ore from under the surface of the earth a big waste.

How iron is made - material manufacture making history .

The only pure iron known to exist naturally comes from fallen meteorites. Most iron is found in minerals formed by the combination of iron with other elements. Iron oxides are the most common. Those minerals near the surface of the earth that have the highest iron content are known as iron ores and are mined commercially.

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