Copper Rod Bar
Overview
Copper Rod Bar is an industrial profile manufactured from pure copper or copper alloys through processes such as extrusion, rolling, and drawing. Its specifications are flexible and adjustable, with core properties including electrical conductivity, wear resistance, and high-temperature tolerance depending on the material composition. It meets diverse application requirements across electronics thermal management, mechanical fastening, and aerospace sectors, commonly used in the production of welding electrodes, contacts, bearings, heat sinks, or fasteners. Visually, the fundamental form is rod-shaped, with cross-sections tailored to application requirements: circular (suited for shaft components), hexagonal (facilitating wrench operation in fasteners), or square (adapted for structural support elements).
Copper Characteristics
Excellent electrical and thermal conductivity
Among commonly used metals, copper's electrical and thermal conductivity are second only to silver, yet its cost is far lower. Used in wire and cable conductors, heat sinks, and other applications, efficiently transmitting current and heat while minimizing energy loss.
01
Good corrosion resistance
In the atmosphere, fresh water, and most non-oxidizing acid environments, copper forms a stable oxide film on its surface, which can prevent further corrosion of the internal metal.
02
Excellent processing plasticity
It is soft and easy to process by cutting, bending, forging, extrusion, etc. Its shape can be adjusted by cold working or hot working, and it can maintain good dimensional accuracy and surface quality, with high processing efficiency.
03
Excellent mechanical properties
It is easy to cut, has good tensile strength, high hardness, high straightness, and strong wear resistance, making it suitable for manufacturing precision instruments, ship parts, etc.
04
Dimension
|
CuW |
BeCu | Traditional copper alloys | |
| Diameter(MM) | 1-100 (3-50 is common) | 1-800 (common 3-200) | 3-800 (5-200 is common) |
| Length(M-Customized) | 0.5-3 | 1-12 | 1-10 |
| Shape | Round, square, hexagonal, special shape | ||
| Density (g/cm³) | 11.85-18.6 | 8.25 | 8.89-8.94 |
| Electrical conductivity (% IACS) | 27-54% | 18-25% | ≥90% |
| Tensile strength (MPa) | 667-1080 | 1000-1300(HRC36-42) | 200-500 |
| Standard | ASTM B702(CuW70) | ASTM B196(C17200) | ASTM B187(C11000 ) |
| Surface | Polishing, Grounding, Black, Chemical Cleaning, etc. | ||
| Certification | ISO 9001 | ||
Copper Alloy Bar Type
- This bar has a unique structure, being a powder metallurgy composite material of tungsten (W) and copper (Cu), rather than a traditional cast alloy.
- Core Components: Made by mixing tungsten and copper powders through a powder metallurgy process, compacting, and sintering. The copper content typically ranges from 10% to 50%.
- Key Properties: It combines the high melting point and strength of tungsten with the high electrical and thermal conductivity of copper, with a low coefficient of thermal expansion and strong resistance to arc erosion.
- Typical Applications: Electrode materials (such as EDM electrodes), high-temperature heat dissipation components, high-voltage switch contacts, and high-temperature resistant structural parts in the aerospace industry.
2. Beryllium Copper Bar
- Core Components: A copper matrix with 1.5% to 2.5% beryllium (Be) as the primary alloying element. Some bars may also contain auxiliary elements such as nickel (Ni) and cobalt (Co).
- Key Properties: It is the only copper alloy that can be strengthened through heat treatment. This strengthening results in extremely high strength (close to that of steel) while retaining good electrical and thermal conductivity, as well as excellent elasticity, fatigue resistance, and corrosion resistance.
- Typical Applications: Precision springs, switch contacts, mold inserts, and high-strength conductive components in the aerospace industry.
Copper Rod Bar Application
1. Electrical and Electronics
- Power Transmission: Conductive rods in generators/transformers, busbars in high- and low-voltage distribution cabinets, reducing current transmission losses.
- Electronic Components: Heat sinks in LED lamps, thermal bushings in servers/graphics cards, quickly dissipating heat from chips.
- Precision Contacts: Conductive contacts in relays/switches, cable connector terminals.
2. Electrical Machining
- Suitable for EDM of high-hardness materials and thin-sheet electrodes, increasing EDM speed and improving mold precision.
- Particularly suitable for machining molds made of materials such as tungsten steel and high-temperature-resistant superhard alloys.
- Used in manufacturing precision molds and components, meeting high-precision requirements.
3. Welding Applications
- Resistance Welding Electrodes: Used for projection welding and butt welding, offering wear resistance and high-temperature resistance.
- Automatic Submerged Arc Welding Tips: Used in automatic submerged arc welding equipment.
- Gas Shielded Welding Tips: Used in gas shielded welding equipment.
- Welding Heads for Electric and Butt Welders: Used in various welding equipment.
- Roller Welding Wheels: Used in roll welding.
- Spot Welding and Butt Welding Materials: Used in spot and butt welding.
4. Machinery Manufacturing
- General Structural Parts: Bolts, nuts, washers, and small gears/worm gears used for equipment connections.
- Wear-Resistant Parts: Bearing sleeves and bushings for machine tools and motors, and cams and bushings for mining machinery.
- Tool Accessories: Guide rods for drilling machines and locating pins for fixtures.
5. Aerospace
- Conductive connectors for aircraft instrument panels, support rods for satellite antennas.
- Nozzle bushings for missile engines, thermal protection components for spacecraft.
Copper Bars Rods Process
① Extrusion: This includes forward (simplifying equipment), reverse (reducing friction and increasing tool life), and special extrusion (such as hydrostatic extrusion).
② Rolling: This includes groove rolling (two- and three-roll mills), spinning (partial spinning), and planetary rolling (multi-roll precision rolling).
③ Stretching: This applies tension through the die hole to achieve diameter reduction and stretching, resulting in high precision and a smooth surface.
④ Annealing: Intermediate annealing eliminates work hardening, and final annealing adjusts properties (such as solution treatment).
⑤ Finishing: This includes sawing/shearing to length, roller straightening (mainstream), and surface polishing.
⑥ Quality Inspection: This includes X-ray inspection, mechanical property testing, dimensional accuracy, appearance inspection, and chemical composition analysis.
Copper Rod Bar Pictures
Why choose us
24-Hour Response
Upon receiving customer inquiries, we promptly and accurately ascertain the product they require, ensuring there are no issues related to time differences. Our customer service team operates around the clock, ensuring that customers, regardless of their location, receive the same level of attention and service.
01
Good quality stability
We have established a comprehensive quality control system, including ISO 9001 certification, which allows us to frequently test key bar specifications such as purity, dimensional tolerances, and surface finish, and provide traceable quality inspection reports. We also maintain competitive pricing within international quotations and provide transparent cost structure explanations.
02
Efficient global logistics
Our company works with experienced freight forwarders and is familiar with the logistics routes, tariff policies and customs clearance requirements of major export destinations (such as the EU, Southeast Asia, and North America). We can provide "door-to-door" full logistics services and shorten delivery cycles (for example, we promise delivery within 20-35 days).
03
Advanced production equipment
We have professional CNC machine tools, rolling machines, sintering furnaces, cutting machines, welding equipment and surface treatment equipment. Moreover, our technicians can design drawings and customize production according to customer requirements. They can also go to overseas customers to carry out on-site installation of equipment.
04
Efficient after-sales service
To provide customers with a range of product services,24 hours online. If customers encounter any quality issues after receiving the product, or if any items are missing during transit, we will promptly reach out to them and offer a satisfactory resolution. Upon notification of any problem, our team initiates a thorough investigation to identify the root cause and prevent future occurrences.
05
Case
Copper Round Bar, Copper Tungsten Bar To Poland
Leveraging its superior manufacturing capabilities and comprehensive foreign trade service system, FANMETAL recently completed the shipment of multiple batches of copper rods to a Polish customer. The products have been safely shipped and are about to be delivered to the customer. This collaboration demonstrates our expertise in copper processing and our global service advantages. We rigorously implement quality control throughout the entire process, from raw material selection to finished product testing, to ensure that each batch of rods meets customer expectations for dimensional accuracy, surface finish, and performance, effectively addressing customer concerns about inconsistent product quality and untimely delivery.
Product qualification
Hot Tags: copper rod bar, suppliers, manufacturers, factory, customized, wholesale, price, quotation, for sale, Copper Metal Bars, Copper Bar Stock, High Purity Copper Bar, copper round stock, Copper Round Bar, Copper Bars Rods
Send Inquiry
