Steel

Author : KARTIKEYAN HARI KURUP

Hello readers! Welcome to my next blog. This one is on Steel. Enjoy reading it!

Steel is an alloy of iron with typically a few percent of carbon to improve its strength and fracture resistance compared to iron. Many other elements may be present or added.

Because of its high tensile strength and low cost, steel is used in buildings, infrastructure, tools, ships, trains, cars, machines, electrical appliances, and weapons. Iron is the base metal of steel. Depending on the temperature, it can take two crystalline forms .
Since the 17th century, the first step in European steel production has been the smelting of iron ore into pig iron in a blast furnace.[46] Originally employing charcoal, modern methods use coke, which has proven more economical.

In these processes pig iron was refined (fined) in a finery forge to produce bar iron, which was then used in steel-making.
The production of steel by the cementation process was described in a treatise published in Prague in 1574 and was in use in Nuremberg from 1601. A similar process for case hardening armor and files was described in a book published in Naples in 1589.
Another 19th-century steelmaking process was the Siemens-Martin process, which complemented the Bessemer process. It consisted of co-melting bar iron with pig iron.

There are many Steel producing industries all over the world. In India, the steel producing industries are:-
1. Tata Steel Ltd
2. JSW Steel Ltd
3. Essar Steel India Ltd, etc.

Steel as become the most important substance in our lives. For example-
1. Cars
2. bridges
3. Trains
4. Buses
5. Tramps, etc.

These were some uses of steel but there are many more!

I hope you liked my blog. Seeing you in my next blog. Till then BYE!

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