Copper Square Bar
We stock high-quality copper square bar in grade C101, available in a range of sizes to suit electrical, engineering and fabrication applications. C101 copper is known for its excellent electrical conductivity, making it a popular choice for electrical components, electronics, motor parts, gas plant equipment, architectural features and general manufacturing.
Alongside copper square bar, we also supply copper busbar, flat bar, round bar, wire, sheet and tube. Our in-house capabilities include precision cutting, CNC machining, bending and punching, allowing us to support both standard stock requirements and custom copper components.
What is a square bar?
Copper square bar is a solid copper section with equal-width sides, supplied in straight lengths and used where conductivity, durability and machinability are important. Its square profile makes it suitable for electrical components, engineering work, fabrication, architectural detailing and general manufacturing.
At ILF, we stock C101 copper square bar in a range of sizes, with additional cutting, machining and fabrication services available for customers who require finished or semi-finished copper components.
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Key Benefits of Copper Square Bar
Copper square bar is a practical choice for applications that require a strong, conductive and easy-to-work copper section. Its uniform square profile makes it suitable for precision engineering, electrical components, fabrication work and architectural detailing.
2
Strong, Solid Profile
The square shape provides a consistent and stable section that is easy to measure, position and work with. This makes it useful for projects where accuracy, strength and a clean finished appearance are important.
1
Excellent Conductivity
Copper is widely used where reliable electrical performance is required. Square bar is suitable for use in electrical assemblies, switchgear, control panels, grounding systems and other conductive applications.
3
Easy to Machine and Fabricate
Copper square bar can be cut, drilled, machined and formed to suit a wide range of project requirements. This makes it a versatile option for both standard stock supply and more detailed manufactured components.
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Multiple Industry Uses
From electrical engineering and motor components to gas plant equipment, sculpture, architecture and general manufacturing, copper square bar offers a reliable material choice across many sectors.
Characteristics of C101
| Characteristic | Rating |
|---|---|
| Corrosion Resistance | Good |
| Cold Working | Good |
| Hot Working | Good |
| Heat Treatment | Fair |
| Machinability | Poor |
| Weldability | Excellent |
| Melting Point | 1083°C |
| Thermal Conductivity | 391.1W/m.K |
| Electrical Resistivity | 0.0171 x10^-6 Ω .m |
Available Grades
| British Standard (BS) | Other Designations | Nominal Composition |
|---|---|---|
| C101 | CW004A,C110,Cu-ETP | Cu 99.90% min |
| C103 | CW008A,C10200,Cu-OF | Cu 99.95% min |
| C109 | CW118C,C14500,CuTe | Cu 99%, Te 0.5% |
| C111 | CW114C,C14700,CuSP | Cu Rem, S 0.2%, Ph 0.003% |
Square Bar for Your Project
Cut to Your Required Length
We can supply copper square bar in stock lengths or cut it to suit your required dimensions, helping reduce waste and speed up production.
Accurate Square Sections
The solid square profile is ideal for applications where stability, alignment and a consistent finish are important. We can help you source the right size for your intended use.
Machining and Fabrication Support
Our in-house capabilities include CNC machining, cutting, bending and punching, allowing us to support customers who need more than standard material supply.
Practical Advice from Our Team
If your required size, grade or finish is not listed, our team can discuss your specifications and help identify the most suitable copper option for your application.
Copper square Bar FAQs
Copper square bar is used in electrical, engineering, manufacturing, architectural and fabrication applications. Its high conductivity and solid square profile make it suitable for components, connectors, motor parts, switchgear, decorative details and general copper fabrication.
We stock copper square bar in grade C101. This is a high-purity copper grade known for excellent electrical conductivity, making it a popular choice for electrical and electronic applications.
Yes, copper square bar can be supplied in standard lengths or cut to suit your required dimensions. This helps reduce material waste and makes it easier to use the bar within your project or production process.
Yes, C101 copper square bar is well suited to electrical applications due to its excellent conductivity. It is commonly used for electrical components, connectors, switchgear, control panels and other conductive parts.
Yes, copper square bar can be machined, drilled, cut and fabricated depending on the project requirements. At ILF, our in-house capabilities include CNC machining, bending, punching and precision cutting.
Yes, alongside copper square bar, we also supply copper busbar, flat bar, round bar, wire, sheet and tube. We can also support customers who require custom copper components or additional fabrication services.