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Copper Bar Stock

Copper Bar Stock - The Foundation of Precision and Durability

Copper Bar Stock: Where Quality Meets Versatility

Choose Copper Bar Stock for Unparalleled Electrical and Thermal Conductivity.

Copper Round Bars Renowned for our commitment to quality and expertise in the industry, O’Hare Precision Metals is proud to offer a comprehensive range of copper round bars. Our copper round stock are crafted from durable wrought aluminum-iron-copper alloys, making them ideal for applications that require exceptional resistance to wear and fatigue. These versatile bars find common usage as bearing retainer cages, bushings, sleeve bearings, valve stems, and guides. We maintain a diverse inventory of drawn copper and copper alloy products, including copper bars and copper rods. Our skilled team excels in the production of copper round stock that meet and exceed stringent industry standards and corporate steel specifications. These bars are available in round shapes or can be custom-forged to meet your specific requirements. We offer copper products crafted from a variety of copper grades, ensuring the availability of options suitable for your unique needs. With O’Hare Precision Metals, you can trust in the reliability and performance of our copper round bars. Our commitment to precision and customer satisfaction sets us apart in the industry, making us your trusted partner for all your copper bar and rod needs.

Copper Round Bar Stock Applications

Copper round stock is renowned for its versatility and wide range of applications across various industries. Its exceptional electrical and thermal conductivity, combined with other beneficial properties, makes it a preferred choice for numerous projects. Here are some key applications where copper bar stock excels:

Electrical and Electronics

Copper’s unparalleled electrical conductivity makes it an ideal material for electrical wiring, circuitry, and grounding applications. Its low resistance allows for efficient transmission of electrical current, making it essential in power distribution systems, electrical panels, motors, transformers, and electrical connectors. Copper’s excellent thermal conductivity also ensures effective heat dissipation in electronic devices, preventing overheating and ensuring optimal performance.

Plumbing and Water Systems

Copper bar stock is widely used in the plumbing industry due to its corrosion resistance and antimicrobial properties. It is a reliable choice for water pipes, fittings, valves, and connectors. Copper’s durability and resistance to degradation from water and exposure to the environment make it an excellent material for both residential and commercial plumbing systems. Its antimicrobial properties further contribute to maintaining clean and safe water supplies.

Architecture and Design

Copper’s unique aesthetic appeal, combined with its malleability, makes it a popular choice in architectural accents, interior design elements, and artistic creations. It is frequently used for roofing, gutters, downspouts, and decorative features due to its durability, weather resistance, and the distinctive patina that develops over time. Copper’s ability to be shaped, bent, and formed into intricate designs enables architects and designers to bring their creative visions to life.

Manufacturing and Industrial Applications

Copper bar stock finds utility in various manufacturing and industrial applications. Its high thermal conductivity makes it valuable in heat exchangers, cooling systems, and industrial machinery where efficient heat transfer is crucial. Copper’s excellent machinability allows for precise fabrication of components and parts, making it suitable for a wide range of industries, including automotive, aerospace, machinery, and equipment manufacturing.

Artistic and Jewelry Making

Copper’s inherent beauty, warm tones, and unique patina make it a popular choice among artists and jewelry makers. Its malleability enables artisans to create intricate designs, sculptures, and jewelry pieces that showcase copper’s natural elegance. Copper bar stock serves as a versatile medium for expressing creativity and producing one-of-a-kind artistic creations.


OHARE GET A QUOTE Round Bars Copper 101 (Oxygen Free) Hot Roll Finish
OHARE GET A QUOTE Round Bars Copper 102 (Oxygen Free) Hot Roll Finish
OHARE GET A QUOTE Round Bars Copper 110 (Oxygen Free) Hot Roll Finish
OHARE GET A QUOTE Round Bars Copper 145 Mill Finish
OHARE GET A QUOTE Round Bars Copper 172 (Beryllium Copper) Hot Roll Finish
OHARE GET A QUOTE Round Bars Copper Class 2 Hot Roll Finish

Also Available


OHARE 0.040 inches1.016 mm 0.65 lbs/ft0.96733 kg/m 1.25 inches31.75 mm 1.375 inches34.925 mm GET A QUOTE
OHARE 0.042 inches1.0668 mm 0.810 lbs/ft1.205442 kg/m 1.5 inches38.1 mm 1 5/8 inches41.275 mm GET A QUOTE
OHARE 0.042 inches1.0668 mm 1.065 lbs/ft1.584933 kg/m 2 inches50.8 mm 2.125 inches53.975 mm GET A QUOTE
OHARE 0.045 inches1.143 mm 1.688 lbs/ft2.5120816 kg/m 3 inches76.2 mm 3.125 inches79.375 mm GET A QUOTE
OHARE 0.058 inches1.4732 mm 2.872 lbs/ft4.2741104 kg/m 4 inches101.6 mm 4.125 inches104.775 mm GET A QUOTE
OHARE 0.072 inches1.8288 mm 4.430 lbs/ft6.592726 kg/m 5 inches127 mm 5.125 inches130.175 mm GET A QUOTE

Along with our product inventory, we have brass round bars on-hand stock to round out our range of copper alloys, which have long been in high demand from a multitude of industries.

We also have bronze round bars in stock in a range of alloys that are commonly used in architecture and maritime applications.

Copper Round Rod Grades and TYpes

Copper grades have important mechanical properties that enable the material to undergo various machining conditions and temperatures.

Copper Grades Grades and Types: Copper rod stock comes in a variety of grades and types, offering versatility and suitability for various applications. Here are some commonly available grades and types;

C101 (Oxygen-Free Electronic Copper):

C101, also known as oxygen-free electronic copper, is a high-purity grade renowned for its exceptional electrical conductivity. It is virtually free of oxygen, ensuring minimal oxidation and excellent electrical performance. C101 copper rod stock is commonly used in electrical and electronic applications that require high conductivity, such as power transmission, telecommunications, and printed circuit boards.

C110 (Electrolytic Tough Pitch Copper):

C110, or electrolytic tough pitch copper, is a versatile grade known for its excellent thermal and electrical conductivity. It exhibits good corrosion resistance and high ductility, making it suitable for a wide range of applications. C110 copper rod stock finds use in electrical wiring, bus bars, transformers, heat exchangers, and plumbing systems.

Copper Alloys

In addition to pure copper grades, there are copper alloys available that provide enhanced properties for specific applications. These alloys are created by adding other elements to copper, resulting in improved strength, corrosion resistance, or machinability. Some popular copper alloys used in rod stock include: C260 (Cartridge Brass): C260, also known as cartridge brass, is a copper-zinc alloy offering good corrosion resistance, high machinability, and excellent cold-working properties. Cartridge brass rod stock is commonly used in plumbing fittings, automotive components, musical instruments, and decorative applications. C360 (Free-Cutting Brass): C360, also referred to as free-cutting brass, is a leaded alloy recognized for its exceptional machinability. It finds use in precision machining applications where high-speed machining and excellent chip control are required. C360 brass rod stock is commonly employed in plumbing fixtures, fittings, electrical connectors, and various hardware applications.

Various Shapes and Sizes

Copper round stock is available in a range of shapes and sizes to accommodate diverse needs. Common forms include round rods, square rods, and hexagonal rods, among others. This variety allows for flexibility in selecting the appropriate shape and size for specific applications, whether it involves straight lengths or custom-cut pieces. With its wide array of grades and types, copper rod stock offers exceptional conductivity, corrosion resistance, and machinability. Whether you require high electrical performance, excellent thermal conductivity, or specific mechanical properties, copper round stock provides a reliable solution for applications in industries such as electronics, plumbing, automotive, and more.

Copper Grades Table

C613has good formability and machinabilityvalve and pump components, marine equipment, pole line hardware, high strength fasteners
C623has excellent corrosion resistance; has good acid resistanceused in industrial process streams
C624has excellent corrosion resistance; heat treatable to high strengthmarine equipment, pole line hardware, high strength fasteners
C30corrosion resistant; has typical tensile strengthpump and valve components for industrial process streams
C632corrosion resistant; has moderate strengtmarine equipment, high strength fasteners, valve and pump components, pole line hardware
C70600corrosion resistant in marine environments; has good creep resistance and moderate high strength at elevated temperaturesused for seawater service, fittings and hardware, valve and pump components
C70690copper-nickel alloysmarine applications
C70610copper-nickel alloysmarine applications
C71500has moderate high strength; corrosion resistant in marine environments; creep resistant at elevated temperaturesmachined and forged pump and valve components, hardware and fittings

Get to know more about our product inventory of bronze round bars and our centerless ground bar services. Contact us or send us a quote today!