Facts About Aluminum Bronze That You Won't Find Anywhere Else

Shirin Biswas
Oct 13, 2022 By Shirin Biswas
Originally Published on Apr 12, 2022
Edited by Lara Simpson
Fact-checked by Niyati Parab
Learn some interesting aluminum bronze facts with us today!

Chemistry can be one of the most interesting subjects, and aluminum bronze proves how!

It is interesting how metals like nickel and aluminum can be alloyed with copper to achieve a composition with higher strength! The properties of copper alloys are such that they have been in use for centuries.

The use of copper alloys is not recent; however, some of the compositions have only recently been developed. Aluminum bronze is one of the stronger bronze alloys in the world and is used for many purposes.

This alloy can be made with varying amounts of constituent metals, allowing people to understand their needs and add the elements accordingly. The combined properties of the alloy have permitted its use to span across from the pressing of vinyl records to the making of seawater devices. Keep reading to learn more about aluminum bronze!

Discovery And History

Bronze was discovered in about 3500 BCE and has been used ever since. However, the usage of this compound has significantly changed over the years. What has also changed is how it is created.

Through studies, we have been able to find that copper alloys can be made in several ways. Bronze alloys can have a combination of metals, which affect their strength and corrosion resistance.

This allows people to play with the composition and find something that fits their needs. Copper smelting, as a procedure, was discovered 4000 years before people started making their own copper alloys. At the same time, it was 2000 years after using natural bronze for the alloys to be created.

This was understandably a great time in the history of the Earth. There are ages named after this copper alloy because the creation and usage of bronze act as a deciding factor in the development of civilization.

Saying that a civilization belonged to the Bronze Age essentially means that people of the age were capable of either smelting their own copper or creating other compounds that had similar properties as that of bronze.

Compositions Of Aluminum Bronze

The composition of aluminum bronze is largely variable. This means that depending on the nature of a person or institution's need, the composition of this bronze alloy can be tweaked. However, there is a range within which the percentage of each element in the alloy should remain.

Studies show that the amount of nickel and iron in an aluminum bronze alloy should remain within 6%. The amount of aluminum in the compound is relatively small and should ideally remain between 9-12%. The remaining part is of copper.

Bronze alloys are made with other metals; however, their properties would understandably be quite different from aluminum bronze.

Aluminum bronze is used to make non-sparking tools!

Applications In Life And Lab

Aluminum bronze has many uses, most of which make everyday objects. Machine parts and tools made with aluminum bronze have more strength than some stainless steel and can also avoid corrosion. This makes aluminum bronze a viable option for many people. It is also used to cast glass bottles and the pressing of vinyl records.

Since it has good resistance to corrosion in seawater, aluminum bronze is also used in seawater devices. It takes a while to oxidize, which is a sought-after factor for many industries.

In addition to being resistant to oxidation, aluminum bronze is also resistant to high temperatures. It does not run the risks of fabrication as in the case of making stainless steel.

Aluminum bronze is also used in the electrical industry and the automobile industry because of its many desirable properties.

Material Properties

Aluminum bronze contains copper, nickel, iron, and aluminum. This copper alloy has great temperature resistance, heat resistance, and tensile strength properties. This set of features makes aluminum bronze one of the most outstanding materials in many industries.

It is especially common to use aluminum bronze to make automobile parts and other heavy-duty equipment. This is due to the strength that this material can hold when composed in the right way.


Q: What is aluminum bronze good for?

A: Aluminum bronze is an alloy that can be used in several ways. This is mainly because the alloy can be made with different percentages of copper and aluminum depending upon the industry's need.

Other metals are often added to the alloy to increase its tensile strength or other such properties. One metal that is popularly added in aluminum bronze is nickel. This copper alloy is popularly used in seawater devices, architecture, water treatment industries, and oil and gas industries.

Q: How strong is aluminum bronze?

A: Aluminum bronzes can have great strength depending on the composition of the product. The yield strength and tensile strength can be increased or decreased according to the need of the user, which makes this alloy quite strong.

In addition to this, the fact that aluminum bronze is used in architecture is another factor that tells us about its strength!

Q: How is aluminum bronze made?

A: Bronze alloys are made by first melting the copper. Once the copper is in its molten form, other metals are added to the mixture in order to create the desired formulation of yield strength and anti-corrosive abilities.

Once cooled and solidified in the right conditions, copper alloys are formed. In the same way, aluminum bronze is made by melting copper and then adding desired amounts of aluminum to the mixture.

Q: Is aluminum bronze as strong as steel?

A: In some compositions, aluminum bronze alloys can be stronger than stainless steel. This is one of the reasons why aluminum bronze is often used for seawater devices. The steel used in welding machines and other small objects is weaker than aluminum bronze by a significant difference!

Q: What is the formula of aluminum bronze?

A: The formula of aluminum bronze is variable since the metals are added to the alloys in the amount that is required for the desired usage. However, the basic formula is that aluminum bronze should have around 6% of nickel and iron, 9-12% of aluminum, and the rest is all copper.

Q: What color is aluminum bronze?

A: Aluminum bronze is primarily golden in color. Slight variations in color are the results of the varying compositions!

Q: How much is aluminum bronze worth?

A: 1 lb (0.45 kg) of aluminum bronze typically costs about $2 in the United States of America. However, it is also important to keep in mind that these figures are subject to change under certain circumstances and may even depend on the quality of the alloy itself and its composition.

Q: Is aluminum bronze corrosion resistant?

A: Aluminum bronze is highly resistant to corrosion. On exposure to oxygen, this alloy does not oxidize quickly. At the same time, it also has high resistance against some of the most powerful acids in the world.

Q: Is aluminum bronze non-ferrous?

A: While aluminum and copper are non-ferrous metals, aluminum bronze alloys often contain iron, thus making them ferrous in nature. Being non-ferrous essentially means that the composition would not have any significant amounts of iron in them!

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Written by Shirin Biswas

Bachelor of Arts specializing in English Language and Literature

Shirin Biswas picture

Shirin BiswasBachelor of Arts specializing in English Language and Literature

With a degree in English from Amity University, Noida, Shirin has won awards for oratory, acting, and creative writing. She has a wealth of experience as an English teacher, editor, and writer, having previously worked at Quizzy and Big Books Publishing. Her expertise lies in editing study guides for children and creating engaging content.

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Fact-checked by Niyati Parab

Bachelor of Commerce

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Niyati ParabBachelor of Commerce

With a background in digital marketing, Niyati brings her expertise to ensure accuracy and authenticity in every piece of content. She has previously written articles for MuseumFacts, a history web magazine, while also handling its digital marketing. In addition to her marketing skills, Niyati is fluent in six languages and has a Commerce degree from Savitribai Phule Pune University. She has also been recognized for her public speaking abilities, holding the position of Vice President of Education at the Toastmasters Club of Pune, where she won several awards and represented the club in writing and speech contests at the area level.

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