Iron vs. Steel: Know the Difference
By Shumaila Saeed || Updated on December 25, 2023
Iron is a natural chemical element, while steel is an alloy made primarily of iron with carbon and other elements.
Key Differences
Iron is a chemical element and a naturally occurring metal, whereas steel is an alloy, a mixture of iron with carbon and sometimes other elements to enhance its properties.
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Iron is known for its magnetic properties and high ductility, while steel is renowned for its high strength and resistance to corrosion when alloyed with other elements.
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Pure iron is softer and more prone to rusting compared to steel, which, due to its carbon content, is harder and more durable.
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The manufacturing process of iron involves extracting it from iron ore, while steel is made by combining iron with carbon in a controlled environment to improve its qualities.
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Iron has been used for thousands of years in various applications, while steel, developed much later, has become essential in modern construction, tools, and appliances.
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Comparison Chart
Properties
Magnetic, ductile, prone to rusting
Strong, durable, less prone to rusting
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Usage
Used in its pure form and as an alloy base
Used in construction, tools, vehicles
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Manufacturing Process
Extracted from iron ore
Made by combining iron with carbon and other elements
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Iron and Steel Definitions
Iron
A chemical element with symbol Fe.
Iron is essential for producing steel.
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Steel
An alloy of iron and carbon.
Steel beams are used extensively in construction.
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Iron
Symbol Fe A silvery-white, lustrous, malleable, ductile, magnetic or magnetizable, metallic element occurring abundantly in combined forms, notably in hematite, limonite, magnetite, and taconite, and used alloyed in a wide range of important structural materials. Atomic number 26; atomic weight 55.845; melting point 1,538°C; boiling point 2,861°C; specific gravity 7.874 (at 20°C); valence 2, 3, 4, 6. See Periodic Table.
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Steel
Known for its high strength and durability.
Steel is preferred for building skyscrapers.
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Iron
An implement made of iron alloy or similar metal, especially a bar heated for use in branding, curling hair, or cauterizing.
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Steel
A generally hard, strong, durable, malleable alloy of iron and carbon, usually containing between 0.2 and 1.5 percent carbon, often with other constituents such as manganese, chromium, nickel, molybdenum, copper, tungsten, cobalt, or silicon, depending on the desired alloy properties, and widely used as a structural material.
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Iron
(Sports) Any of a series of golf clubs having a bladelike metal head and numbered from one to nine in order of increasing loft.
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Steel
A quality suggestive of this alloy, especially a hard, unflinching character.
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Iron
A metal appliance with a handle and a weighted flat bottom, used when heated to press wrinkles from fabric.
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Steel
Made with, relating to, or consisting of steel
Steel beams.
The steel industry.
A bicycle with a steel frame.
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Iron
A tonic, pill, or other medication containing iron and taken as a dietary supplement.
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Steel
To make hard, strong, or obdurate; strengthen
He steeled himself for disappointment.
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Steel
An artificial metal produced from iron, harder and more elastic than elemental iron; used figuratively as a symbol of hardness.
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Steel
(sewing) Pieces used to strengthen, support, or expand an item of clothing.
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Iron
(uncountable) A common, inexpensive metal, silvery grey when untarnished, that rusts, is attracted by magnets, and is used in making steel.
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Iron
Any material, not a steel, predominantly made of elemental iron.
Wrought iron, ductile iron, cast iron, pig iron, gray iron
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Iron
(countable) A tool or appliance made of metal, which is heated and then used to transfer heat to something else; most often a thick piece of metal fitted with a handle and having a flat, roughly triangular bottom, which is heated and used to press wrinkles from clothing, and now usually containing an electrical heating apparatus.
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Steel
Medicinal consumption of this metal; chalybeate medicine; (eventually) any iron or iron-treated water consumed as a medical treatment.
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Iron
Used as a symbol of great strength or toughness, or to signify a very strong or tough material.
A will of iron
He appeared easygoing, but inside he was pure iron.
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Iron
(weightlifting) Weight used as resistance for the purpose of strength training.
He lifts iron on the weekends.
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Iron
A meteorite consisting primarily of metallic iron (mixed with a small amount of nickel), as opposed to one composed mainly of stony material.
Irons and stony irons can be much larger than stony meteorites and are much more visually striking, but make up only a few percent of all meteorites.
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Iron
(figuratively) Strong as of will, inflexible.
She had an iron will.
He held on with an iron grip.
An iron constitution
Iron men
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Iron
(transitive) To pass an iron over (clothing or some other item made of cloth) in order to remove creases.
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Steel
(transitive) To harden or strengthen; to nerve or make obdurate; to fortify against.
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Iron
The most common and most useful metallic element, being of almost universal occurrence, usually in the form of an oxide (as hematite, magnetite, etc.), or a hydrous oxide (as limonite, turgite, etc.). It is reduced on an enormous scale in three principal forms; viz., cast iron, steel, and wrought iron. Iron usually appears dark brown, from oxidation or impurity, but when pure, or on a fresh surface, is a gray or white metal. It is easily oxidized (rusted) by moisture, and is attacked by many corrosive agents. Symbol Fe (Latin Ferrum). Atomic number 26, atomic weight 55.847. Specific gravity, pure iron, 7.86; cast iron, 7.1. In magnetic properties, it is superior to all other substances.
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Iron
An instrument or utensil made of iron; - chiefly in composition; as, a flatiron, a smoothing iron, etc.
My young soldier, put up your iron.
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Iron
Fetters; chains; handcuffs; manacles.
Four of the sufferers were left to rot in irons.
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Iron
Strength; power; firmness; inflexibility; as, to rule with a rod of iron.
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Steel
(transitive) To electroplate an item, particularly an engraving plate, with a layer of iron.
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Iron
An iron-headed club with a deep face, chiefly used in making approaches, lifting a ball over hazards, etc.
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Steel
A variety of iron intermediate in composition and properties between wrought iron and cast iron (containing between one half of one per cent and one and a half per cent of carbon), and consisting of an alloy of iron with an iron carbide. Steel, unlike wrought iron, can be tempered, and retains magnetism. Its malleability decreases, and fusibility increases, with an increase in carbon.
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Iron
Like iron in hardness, strength, impenetrability, power of endurance, insensibility, etc.;
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Iron
Rude; hard; harsh; severe.
Iron years of wars and dangers.
Jove crushed the nations with an iron rod.
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Steel
A weapon, as a sword, dagger, etc.
While doubting thus he stood,Received the steel bathed in his brother's blood.
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Steel
Fig.: Anything of extreme hardness; that which is characterized by sternness or rigor.
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Iron
To smooth with an instrument of iron; especially, to smooth, as cloth, with a heated flatiron; - sometimes used with out.
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Steel
To overlay, point, or edge with steel; as, to steel a razor; to steel an ax.
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Steel
To make hard or strong; hence, to make insensible or obdurate.
Lies well steeled with weighty arguments.
O God of battles! steel my soldiers' hearts.
Why will you fight against so sweet a passion,And steel your heart to such a world of charms?
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Iron
A heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
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Steel
To cause to resemble steel, as in smoothness, polish, or other qualities.
These waters, steeledBy breezeless air to smoothest polish.
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Steel
To cover, as an electrotype plate, with a thin layer of iron by electrolysis. The iron thus deposited is very hard, like steel.
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Steel
An alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range
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Iron
Home appliance consisting of a flat metal base that is heated and used to smooth cloth
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Iron
A strong, ductile metal.
Wrought iron gates are known for their durability.
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Steel
Used in making tools, buildings, and vehicles.
Stainless steel is popular for kitchen appliances.
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Iron
A metal used since ancient times.
Iron tools were a significant advancement in early civilizations.
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Steel
Resistant to rust and corrosion.
Galvanized steel is used for outdoor structures.
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Iron
Subject to rusting when exposed to moisture.
The iron bridge is rusting and needs maintenance.
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Steel
Comes in various grades and types.
Carbon steel is used for high-strength applications.
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Iron
Used as a base for making alloys.
Iron is the primary component in steelmaking.
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Repeatedly Asked Queries
Why does iron rust?
Iron rusts due to its reaction with oxygen and moisture.
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Can iron be used in construction?
Pure iron is rarely used in construction; its alloys like steel are more common.
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How is stainless steel different?
Stainless steel contains chromium, making it resistant to rust.
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How is iron obtained?
Iron is obtained by extracting and refining iron ore.
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What makes steel stronger than iron?
The addition of carbon and other elements in steel increases its strength.
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Are there different types of iron?
Yes, there are various forms like cast iron, wrought iron, and pig iron.
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What are the main uses of steel?
Steel is used in construction, manufacturing, and transportation.
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Is iron found in the human body?
Yes, iron is a vital component of hemoglobin in blood.
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Is steel environmentally friendly?
Steel’s recyclability makes it more environmentally friendly than some materials.
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Is steel magnetic?
Some types of steel are magnetic, depending on the alloying elements.
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What is galvanized steel?
It’s steel coated with a layer of zinc for rust resistance.
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What is the role of carbon in steel?
Carbon gives steel its strength and hardness.
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What are the environmental impacts of iron mining?
Iron mining can lead to habitat destruction and pollution.
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What is the melting point of iron?
The melting point of iron is about 1,538°C (2,800°F).
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How is cast iron made?
Cast iron is made by melting pig iron and adding alloying elements.
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Can iron be alloyed with other metals?
Yes, iron alloys with elements like carbon, silicon, and manganese.
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Why is steel preferred in automotive manufacturing?
Steel provides strength, durability, and safety in vehicles.
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About Author
Written by
Shumaila SaeedShumaila Saeed, an expert content creator with 6 years of experience, specializes in distilling complex topics into easily digestible comparisons, shining a light on the nuances that both inform and educate readers with clarity and accuracy.
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