Alloy steel – Definition & Meaning

Alloy steel is a type of steel that is made up of a combination of different metals, including iron, carbon, and other elements. This type of steel is known for its strength, durability, and resistance to corrosion. It is widely used in various industries, including construction, automotive, and aerospace.


Alloy steel is defined as a type of steel that is made by adding other metals or elements to it in order to improve its properties. These properties can include strength, hardness, and resistance to corrosion.


The origin of alloy steel can be traced back to the early 20th century, when metallurgists began experimenting with different types of metals and elements to create new and improved alloys. The first alloy steel was created in 1912 by adding chromium to steel, which resulted in a material that was much stronger and more durable than traditional steel.

Meaning in different dictionaries

According to the Merriam-Webster dictionary, alloy steel is defined as “a steel that is alloyed with other elements to improve its properties.” The Oxford English Dictionary defines it as “a type of steel that is made by adding other metals or elements to it in order to improve its strength, hardness, or resistance to corrosion.”


Alloy steel is often associated with strength, durability, and resistance to corrosion. It is commonly used in the construction of buildings, bridges, and other structures, as well as in the manufacturing of automotive and aerospace components.


Synonyms for alloy steel include high-strength steel, hardened steel, and corrosion-resistant steel.


Antonyms for alloy steel include low-strength steel, soft steel, and non-alloy steel.

The same root words

The root words for alloy steel are “alloy” and “steel.” Alloy refers to a mixture of metals or elements, while steel is a type of iron that has been alloyed with carbon and other elements.

Example Sentences

  • The construction of the new bridge required the use of alloy steel to ensure its strength and durability.
  • The automotive industry relies heavily on alloy steel for the manufacturing of engine components and other parts.
  • The aerospace industry uses alloy steel in the construction of aircraft frames and other critical components.
  • The corrosion-resistant properties of alloy steel make it an ideal material for use in marine environments.
  • The addition of chromium to steel results in a type of alloy steel that is highly resistant to rust and corrosion.
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