Steel

Steel is a form of refined iron that contains a small percentage of carbon and other elements. It can be forged, hammered, tempered, and annealed to become harder and more ductile.

Steel is very strong and has increased resistance to rust when compared with iron. It is also relatively easy to weld pieces of iron together.

It became common after efficient production methods were devised in the 17th century and became a mass-produced material from the mid-19th century.

Today steel is one of the most common elements in the world and is used in the construction of many buildings and products.

Think of ships, buildings, vehicles, tools, appliances, bridges, weapons, heavy equipment, wire, pots, pans, etc.

It’s a major innovation in its own right and a major building block to many important innovations.

By by Drequaisha
(Del Vvalle Texas)