Brass vs. Bronze vs. Copper | Applications

Choosing the right material is essential for any manufacturing project since it can directly affect the performance and production of the desired components. However, given the broad range of materials available, some industry professionals can find the selection process to be challenging. That&#;s why it is vital to research the different characteristics of each material option so you have a better understanding of whether or not it will be suited for your requirements and restrictions.

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At Interstate Metal, we are a premier manufacturer and distributor of brass, bronze, and copper alloys. While these metals have many of the same characteristics due to their similar constituents, they also have distinct properties that can make one better suited for a particular application over the others. Our material experts have put together the following guide on brass, bronze, and copper, including what they are made of, key characteristics, typical applications, and alloys we offer, to help readers identify which one is right for their needs.

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What Are the Different Types of Alloys?

Copper, brass, and bronze are often referred to as &#;red metals&#; due to their reddish color. While copper is an element (i.e., a pure substance made from one type of atom), brass and bronze are made from combinations of elements. Brass primarily consists of copper and zinc, while bronze primarily consists of copper and tin. Below, we provide an overview of each of these three metals.

Brass

What Is Brass?

Brass is an alloy of copper, zinc, and trace amounts of other metals. The addition of zinc enhances the strength and durability of the base copper compound. Other characteristics may be added or enhanced depending on which alloying elements were included in the particular brass product. For example, lead may be included to improve machinability.

As a copper alloy, brass exhibits many of the same material properties as copper. However, it does have some distinct properties, such as:

Greater susceptibility to stress cracking

Better malleability and formability

Higher melting point

Applications of Brass Alloys

Brass is commonly used for decorative applications since it has a gold-like appearance. However, its excellent manufacturability enables it to be used for various functional components as well. Typical applications for this material include:

• Architectural elements
• Casings
• Electronics
• Musical instruments
• Plumbing

Our Brass Alloy Products

At Interstate Metal, we carry the following brass bar alloys:

• C
• C
• C
• C
• C
• C
• C

They are available in round bar, hexagon bar, rectangular bar, and square bar forms, as well as brass lead free bars. In, we offer brass tube, brass sheet, and brass coil.

Bronze

What Is Bronze?

Bronze is an alloy of copper, tin, and various amounts of other elements. Similar to brass, the addition of other elements improves the strength of the base copper compound.

While bronze shares many properties with brass and copper (e.g., corrosion resistance and low coefficient of friction), it also exhibits some unique characteristics, such as:

• Higher melting point than brass
• Greater brittleness

Applications of Bronze Alloys

Due to its dull gold color, bronze is commonly used for the following applications:

• Awards
• Musical instruments
• Sculptures

Its hardness and corrosion resistance also make it suitable for use in marine parts and products, such as:

• Boats and ships
• Dock equipment components

Its low coefficient of friction makes it ideal for various industrial components, such as:

• Bearings
• Bushings

Our Bronze Alloy Products

At Interstate Metal, we carry the following bronze alloys in round bar form:

• C510
• C544
• C630
• C642
• C655
• C673

• C863
• C932
• C954
• SAE841
• SAE863

Copper

What Is Copper?

Copper is a base element. In its pure form, it exhibits numerous beneficial characteristics, many of which are carried over into its alloys. For example,

• Strength
• Durability
• Electrical and thermal conductivity
• Corrosion resistance
• Ease of fabrication

Applications of Copper Alloys

Copper is used for a wide range of industrial applications, including:

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Architectural and construction elements

Heat exchanger components

Plumbing and wiring

Our Copper Products

At Interstate Metal, we carry two types of copper:

• ETP C (Electrolytic Tough Pitch Copper)
• C (Deoxidized High Phosphorus Copper)

They are available as plates, sheets, bars, bus bars, pipes, tubes, and WROT and press fittings. Our bars are offered in copper round bar, copper rectangle bar, and copper square bar configurations.

Brass vs. Bronze vs. Copper: Which One is Right for You?

Despite knowing the key characteristics of brass, bronze, and copper, some industry professionals may still find it difficult to choose the material that is best suited for their needs. While, in numerous cases, any one of these materials may work for the application, a closer look at the differences between them often reveals that one carries an edge over the others.

• Brass vs. Bronze

  While brass and bronze are both copper alloys, the slight differences in their composition lead to unique characteristics that make them suitable for different applications.
  
  Compared to bronze, brass offers greater malleability, resulting in better workability. It also has a brighter color, making it better suited for decorative parts and products.
  
  Compared to brass, bronze exhibits better saltwater corrosion resistance, which makes it a better material choice for marine components. Additionally, it has a higher melting point, which allows it to be used in higher temperature environments.

• Brass vs. Copper

  Since brass is a copper alloy, it has some of the same properties as copper. However, there are a variety of differences between the two metals.
  
  Compared to brass, copper is much better at conducting electricity and heat. It offers the best thermal conductivity of all metals, and it is second only to silver in regard to electrical conductivity. However, it is susceptible to corrosion when exposed to the elements, which results in a reddish or greenish appearance.
  
  Compared to copper, brass has higher strength and ductility. These characteristics allow it to be used in a broader range of applications.

• Bronze vs. Copper

  Similar to brass, bronze shares a number of properties with copper. However, there are also some unique properties between them.
  
  Compared to bronze, copper is a better electrical and thermal conductor. The difference between copper&#;s ability to conduct heat and electricity and bronze&#;s is even greater than the difference between copper&#;s and brass&#;s.
  
  Compared to copper, bronze is much harder. While this greater material hardness makes it more wear-resistant, it also makes it more brittle.

Best Laser Engraver for Brass

Diode or infrared laser engravers may work for brass with limited engraving capabilities, but if you want prominent and deep engraving, a fiber laser engraver is the best option.

xTool F1 Ultra

20W Fiber Laser Engraver for Brass

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xTool F1 Ultra: The Compact Fiber Laser Engraver for Brass

In the world of desktop laser engravers, xTool F1 Ultra is the only one to possess both fiber and diode lasers. It comes with a 20W fiber laser and a 20W diode laser module that makes it compatible with almost all materials. The former supports metal engraving (and cutting), while the latter is responsible for engraving all common materials (wood, cardboard, acrylic, leather, etc.).

Metal Engraving is F1 Ultra&#;s key specialty. It cannot only engrave flat surfaces but also curved ones. The 3D Engraving technology uses a smart camera that adjusts the focus as the surface&#;s contour changes. It also supports engraving on cylindrical engraving with xTool&#;s attachment, RA2 Pro.

Besides all-round engraving capabilities, the machine also shines in speed. F1 Ultra&#;s engraving speed can reach 10,000 mm/s, matching the industrial fiber lasers. The reason? Galvo-laser technology.

F1 Ultra is the largest galvo-laser engraver with a bed size of 220*220mm (without conveyor). It gets even bigger to 500*220mm through a conveyor. Multiple objects can be placed on the conveyor, and their geometries are auto-detected and made ready for pattern mapping. In terms of height, it can accommodate materials up to 145mm.

Engraving brass is made simple with F1 Ultra. It&#;s a three-step process. Place the material and import the design in XCS. The machine auto-adjusts focus based on thickness. You select the material and the XCS software auto-suggests engraving parameters. Next, you just have to initiate engraving.

The machine also features an in-built touch-screen control system with 7GB storage. You can save projects within the machine and later just process the engraving without needing an external connection to a computer.

The company is the world’s best copper composite material supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.