Copper Materials for Automotive & Electric Vehicle Applications
We supply high-performance copper materials for critical automotive and EV components, including battery busbars, cooling tubes, heat exchangers, motor windings, connectors, and power distribution systems.
Our products include copper tubes, plates, bars, strips, and wires in grades such as C10100, C10200, C11000, C12200, C14500, and C26000, manufactured according to ASTM, EN, and JIS standards.
With strict inspection including chemical analysis, electrical conductivity testing, mechanical testing, dimensional inspection, and third-party verification, we provide reliable copper solutions with custom sizes, tempers, and surface treatments for global automotive and EV manufacturers.
Copper Materials for Key Automotive & EV Applications
EV Battery Systems
Battery Busbars, Battery Connections, Power Distribution
Copper Forms:
Copper Bars, Copper Plates, Copper Strips
Recommended Grades:
C11000, C10100, C10200
High electrical conductivity, excellent current carrying capacity, reliable performance
Battery Thermal Management
Applications:
Battery Cooling Tubes, Cooling Plates, Heat Exchange Systems
Copper Forms:
Copper Tubes, Copper Plates
Recommended Grades:
C12200, C12000, C11000
Excellent thermal conductivity, corrosion resistance, easy fabrication
Electric Motor Systems
Applications:
Motor Windings, Conductive Components, Motor Connections
Copper Forms:
Copper Wires, Copper Rods, Copper Bars
Recommended Grades:
C10100, C10200, C11000
High purity copper, superior conductivity, stable electrical performance
EV Charging Infrastructure
Applications:
Charging Stations, Conductors, Electrical Connectors
Copper Forms:
Copper Bars, Copper Plates, Copper Strips
Recommended Grades:
C11000, C14500, C10100
High conductivity, excellent machinability, long service life
Power Electronics & Heat Dissipation
Applications:
Inverters, Power Modules, Heat Spreaders
Copper Forms:
Copper Plates, Copper Sheets, Copper Bars
Recommended Grades:
C10100, C10200, C11000
Outstanding thermal conductivity and heat dissipation performance
Automotive Electrical Components
Applications:
Connectors, Terminals, Switch Components
Copper Forms:
Copper Strips, Copper Sheets
Recommended Grades:
C26000, C26800, C11000
Excellent formability, strength, corrosion resistance and precision performance
Get Copper Material Recommendation
Copper Grade Comparison for Automotive & EV Applications
Selecting the right copper grade is critical for automotive and electric vehicle components. Different applications require a balance of electrical conductivity, thermal conductivity, mechanical strength, corrosion resistance, and fabrication performance. We supply a wide range of copper grades including C10100, C10200, C11000, C12200, C14500, and C26000 for EV battery systems, thermal management, electrical connections, and automotive components.
Copper Grade Selection Guide
| Copper Grade | Main Characteristics | Recommended Forms | Automotive & EV Applications |
|---|---|---|---|
| C10100 Oxygen-Free Copper | Highest electrical conductivity and excellent thermal conductivity. Suitable for applications requiring maximum electrical efficiency and purity. | Plates, Bars, Strips, Wires | EV battery connections, power electronics, high-performance electrical components |
| C10200 Oxygen-Free Copper | High purity copper with excellent conductivity and reliability. Provides stable performance in demanding electrical applications. | Plates, Bars, Strips | Battery components, electrical conductors, precision electronic parts |
| C11000 Electrolytic Tough Pitch Copper | Excellent conductivity, good ductility, and cost-effective performance. One of the most widely used industrial copper grades. | Busbars, Plates, Bars, Strips | EV battery busbars, power distribution systems, connectors, charging equipment |
| C12200 Phosphorus Deoxidized Copper | Excellent formability, corrosion resistance, and good thermal conductivity. Ideal for tube manufacturing and heat transfer applications. | Tubes, Plates | Battery cooling tubes, heat exchangers, thermal management systems |
| C14500 Tellurium Copper | Excellent machinability while maintaining good electrical conductivity. Suitable for precision machining components. | Bars, Rods, Plates | EV connectors, terminals, electrical components |
| C26000 Cartridge Brass | Higher strength, excellent forming performance, and good wear resistance compared with pure copper. | Strips, Sheets | Automotive terminals, connectors, stamped electrical components |
Equivalent Copper Grades for Automotive & EV Applications
Different countries use different copper designation systems. The following table provides commonly used equivalent grades for automotive and electric vehicle copper material selection.
| UNS (ASTM) | EN / European Equivalent | JIS Equivalent | Typical EV Applications |
|---|---|---|---|
| C10100 | CW009A / Cu-OFE | C1011 | EV power systems, battery connections, high-performance electrical parts |
| C10200 | CW008A / Cu-OF | C1020 | Battery components, electrical conductors |
| C11000 | CW004A / Cu-ETP | C1100 | Battery busbars, connectors, charging systems |
| C12000 | CW003A / Cu-DLP | C1201 | Heat exchangers, cooling components |
| C12200 | CW024A / Cu-DHP | C1220 | EV cooling tubes, thermal management systems |
| C14500 | CW118C / CuTe | C1450 | EV connectors, terminals, precision parts |
| C26000 | CW505L / CuZn30 | C2600 | Automotive terminals, electrical connectors |
Key Selection Factors
High Electrical Conductivity: C10100 / C10200 / C11000
Thermal Management Applications: C12200 / C11000
Electrical Connectors & Terminals: C14500 / C26000
High Strength Components: C26000 / C26800
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Available Copper Forms & Sizes
We provide a wide range of copper tubes, plates, bars, strips, and wires for automotive and EV applications. Customized dimensions, tempers, surface finishes, and processing options are available according to customer requirements.
| Copper Form | Typical Applications | Recommended Grades | Available Sizes | Supply Options |
|---|---|---|---|---|
| Copper Tubes | EV battery cooling systems, thermal management modules, heat exchangers | C12200, C12000, C11000 | OD: 6mm–76mm Wall Thickness: 0.5mm–3.0mm Custom Length Available |
Seamless Tubes Straight Length Tubes Coiled Tubes Precision Tubes |
| Copper Plates & Sheets | Battery cooling plates, power modules, heat spreaders | C10100, C10200, C11000 | Thickness: 0.5mm–100mm Width & Length Customized |
Copper Plates Copper Sheets Cut-to-Size Plates |
| Copper Bars & Busbars | EV battery connections, high-voltage distribution, charging systems | C10100, C10200, C11000 | Width, thickness, and length customized | Flat Busbars Round Bars Machined Copper Bars |
| Copper Strips | Automotive connectors, battery terminals, electrical contacts | C11000, C14500, C26000, C26800 | Thickness: 0.05mm–10mm Width Customized |
Precision Strips Slit Strip Coils |
| Copper Wires & Rods | EV motor windings, electrical conductors, connection components | C10100, C10200, C11000 | Diameter and length customized | Copper Wires Drawn Wires Copper Rods |
Custom Manufacturing Capability
Custom dimensions & OEM specifications
Different tempers: O (Annealed), H (Hard), Half Hard
Surface treatments: Tin Plating, Nickel Plating, Silver Plating
Processing: Cutting, Bending, CNC Machining
Request Custom Copper Solution
Surface Treatment Options for Automotive & EV Copper Materials
| Surface Treatment | Purpose & Advantages | Typical Copper Products | Automotive & EV Applications |
|---|---|---|---|
| Bare Copper (Mill Finish) | Excellent electrical conductivity, cost-effective, suitable for general applications | Copper Bars, Plates, Tubes, Strips | Battery components, general conductors, heat transfer parts |
| Tin Plating | Improves corrosion resistance, solderability, and oxidation protection | Copper Busbars, Strips, Connectors | EV battery busbars, terminals, electrical connections |
| Nickel Plating | Provides excellent high-temperature resistance and durability | Copper Bars, Strips, Connectors | High-voltage connectors, automotive electrical components |
| Silver Plating | Offers superior electrical conductivity and contact performance | Copper Busbars, Electrical Parts | High-performance electrical contacts, power connection systems |
| Polishing Finish | Improves surface smoothness and appearance, reduces surface defects | Copper Plates, Bars, Tubes | Precision components, decorative and functional applications |
| Cleaning & Degreasing | Removes oil, oxide, and contaminants to improve surface quality | All Copper Products | Electrical components requiring clean surfaces |
Surface Treatment Selection Guide
| Application | Recommended Surface Treatment | Main Benefit |
|---|---|---|
| EV Battery Busbars | Tin Plating / Nickel Plating | Better corrosion resistance and long-term electrical reliability |
| Battery Terminals & Connectors | Tin Plating / Silver Plating | Improved contact performance and oxidation resistance |
| High Voltage Electrical Components | Nickel Plating / Silver Plating | High temperature resistance and stable conductivity |
| Copper Cooling Tubes & Heat Exchangers | Cleaning & Degreasing / Bare Copper | Maintain heat transfer performance and surface cleanliness |
| Precision Copper Parts | Polishing / Custom Finish | Improved surface quality and dimensional requirements |
Heat Treatment & Temper Options for Automotive & EV Copper Materials
| Temper Condition | Characteristics | Typical Copper Products | Automotive & EV Applications |
|---|---|---|---|
| O Temper (Annealed) | Soft condition with excellent ductility and formability. Suitable for bending and complex forming processes. | Copper Tubes, Plates, Wires | EV cooling tubes, heat exchanger components, formed copper parts |
| 1/2H (Half Hard) | Balanced combination of strength and flexibility. Widely used for precision components. | Copper Strips, Plates, Bars | Battery connectors, terminals, electrical components |
| H (Hard) | Higher hardness and mechanical strength with good dimensional stability. | Copper Bars, Busbars, Strips | EV battery busbars, power distribution components |
| H04 / H08 (Extra Hard) | Maximum strength and rigidity for demanding applications. | Precision Strips, Electrical Components | High-strength connector parts and special applications |
Recommended Temper Selection by Application
| Application | Recommended Temper | Reason |
|---|---|---|
| EV Battery Cooling Tubes | O Temper | Excellent bending performance and easy forming |
| Battery Busbars | H / 1/2H | Higher strength and stable dimensions |
| Battery Terminals & Connectors | 1/2H / H | Balance between strength and stamping performance |
| Motor Components | O / H | Depends on winding or structural requirements |
| Electrical Strips | 1/2H / H | Good spring performance and durability |
Request Copper Temper Recommendation
Quality Inspection & Testing for Automotive & EV Copper Materials
We perform strict quality control throughout the manufacturing process to ensure our automotive and EV copper materials meet international standards and customer requirements. Each batch can be inspected for chemical composition, electrical performance, mechanical properties, dimensional accuracy, and surface quality, with complete quality documentation available.
| Inspection Item | Purpose | Applicable Products |
|---|---|---|
| Chemical Composition Analysis | Verify copper purity and alloy composition according to ASTM / EN / JIS standards | All Copper Products |
| Electrical Conductivity Test | Ensure high conductivity performance required for EV electrical systems | Busbars, Plates, Strips, Wires |
| Tensile Test | Evaluate strength, elongation, and mechanical reliability | Tubes, Plates, Bars, Strips |
| Hardness Test | Confirm temper condition and mechanical properties | Copper Strips, Bars, Plates |
| Dimensional Inspection | Check OD, wall thickness, length, width, and thickness tolerance | Tubes, Plates, Bars, Strips |
| Eddy Current Testing | Detect internal defects and ensure tube quality | Copper Tubes |
| Surface Quality Inspection | Check scratches, oxidation, cleanliness, and finish requirements | All Copper Products |
| Metallographic Examination | Analyze grain structure and material condition | Precision Copper Components |
Quality Standards & Documentation
We support products manufactured according to:
ASTM Standards
EN Standards
JIS Standards
Quality documents available:
✓ EN10204 3.1 Material Certificate
✓ Chemical Composition Report
✓ Mechanical Test Report
✓ Electrical Conductivity Report
✓ Third-Party Inspection by SGS / BV / TUV (upon request)
Packaging & Shipping for Automotive & EV Copper Materials
We provide professional copper material packaging solutions to ensure products arrive safely with excellent surface quality and dimensional accuracy. Packaging methods are customized according to copper product forms, transportation requirements, and customer specifications, supporting global shipments for automotive and EV industries.
| Copper Product | Packaging Method | Protection Features |
|---|---|---|
| Copper Tubes | Bundles with protective wrapping, wooden cases, end caps | Prevents scratches, deformation, and surface oxidation |
| Copper Plates & Sheets | Wooden pallets, steel frames, protective film, moisture-proof packaging | Protects flatness, surface finish, and edges |
| Copper Bars & Busbars | Bundled packing, protective film, wooden cases | Maintains dimensional accuracy and prevents impact damage |
| Copper Strips | Coil packaging, waterproof wrapping, wooden cases | Protects coil shape and surface quality |
| Copper Wires & Rods | Coil packing, reels, protective packaging | Prevents contamination and maintains product integrity |
Customized Packaging Options
✓ Export standard wooden cases
✓ Waterproof and moisture-proof packaging
✓ Surface protection film
✓ Customized labels and markings
✓ Batch identification and traceability
Lead Time & Shipping Cost
We provide flexible delivery solutions for automotive and EV copper materials, including production scheduling, export packaging, and international shipping support. Lead time and shipping costs are calculated based on material type, specifications, order quantity, destination, and transportation method.
Production Lead Time
| Order Type | Typical Lead Time | Details |
|---|---|---|
| Standard Copper Materials | 7–15 Working Days | Common grades and standard sizes with stable production capacity |
| Customized Copper Products | 15–30 Working Days | Custom sizes, tempers, surface treatments, and machining requirements |
| Large OEM Projects | 30–60 Working Days | Dedicated production planning and scheduled batch delivery |
Shipping Cost Calculation
Shipping costs are mainly determined by:
| Factor | Details |
|---|---|
| Product Weight | Copper density and order quantity directly affect freight cost |
| Package Dimensions | Wooden cases, pallets, coils, and bundles impact volume weight |
| Shipping Method | Sea freight, air freight, or express delivery |
| Destination | Shipping distance and local delivery conditions |
| Delivery Terms | EXW, FOB, CIF, DDP and other Incoterms |
Available Shipping Methods
| Shipping Method | Suitable For | Advantage |
|---|---|---|
| Sea Freight | Large volume copper materials | Most economical for bulk orders |
| Air Freight | Urgent samples and small orders | Fast delivery |
| Express Delivery | Samples and small quantities | Convenient door-to-door service |
Manufacturing Equipment for Automotive & EV Copper Materials
| Equipment | Main Function | Applicable Products |
|---|---|---|
| Copper Melting & Casting Furnace | Produce high-purity copper billets and ensure stable chemical composition | All Copper Materials |
| Hot Extrusion Machine | Form copper tubes, bars, and profiles with excellent mechanical properties | Copper Tubes, Bars |
| Cold Drawing Machine | Improve dimensional accuracy and surface finish | Precision Copper Tubes, Copper Wires |
| Cold Rolling Mill | Manufacture precision copper plates, sheets, and strips with tight tolerances | Copper Plates, Sheets, Strips |
| Annealing Furnace | Control temper and improve ductility and mechanical properties | Tubes, Plates, Bars, Strips, Wires |
| CNC Machining Center | Precision cutting, drilling, milling, and custom fabrication | Busbars, Plates, Bars, Custom Parts |
| Cutting & Shearing Equipment | Cut products to customer-specified dimensions | All Copper Products |
| Surface Treatment Line | Tin plating, nickel plating, polishing, and surface cleaning | Busbars, Strips, Plates |
| Straightening Machine | Ensure straightness and dimensional consistency | Copper Tubes, Bars |
| Automatic Packaging Line | Export packaging and product protection | All Copper Products |
FAQ
1. What copper grades are commonly used in automotive and EV applications?
The most commonly used grades include C10100, C10200, C11000, C12200, C14500, and C26000. The selection depends on electrical conductivity, thermal performance, mechanical strength, and the specific application.
2. Which copper materials are recommended for EV battery busbars?
C11000, C10100, and C10200 are widely used for EV battery busbars due to their excellent electrical conductivity, high current-carrying capacity, and reliable long-term performance.
3. What copper materials are suitable for battery cooling systems?
C12200 and C12000 copper tubes are commonly used for battery cooling and thermal management because they offer excellent thermal conductivity, corrosion resistance, and good formability.
4. Can you manufacture custom copper products for automotive projects?
Yes. We provide custom dimensions, tempers, surface treatments, machining, and OEM manufacturing according to customer drawings or technical specifications.
5. Which international standards do your copper materials comply with?
Our products are manufactured according to ASTM, EN, and JIS standards, depending on customer requirements and product specifications.
6. What surface treatments are available for automotive copper materials?
Available options include Bare Copper, Tin Plating, Nickel Plating, Silver Plating, Polishing, and Cleaning & Degreasing, depending on the application and performance requirements.
7. What inspection reports can you provide?
We can provide EN 10204 3.1 Material Certificate (MTC), Chemical Composition Reports, Electrical Conductivity Reports, Mechanical Test Reports, Dimensional Inspection Reports, and third-party inspection reports (SGS, BV, or TÜV) upon request.
8. What is your typical production lead time?
Standard products are generally delivered within 7–15 working days, while customized orders usually require 15–30 working days, depending on specifications and order quantity.
9. Do you support international shipping?
Yes. We export worldwide and support EXW, FOB, CFR, CIF, DDP, and other Incoterms. Sea freight, air freight, and express delivery options are available based on your project requirements.
10. How can I choose the right copper grade for my application?
Simply send us your application, product type, dimensions, operating conditions, and technical requirements. Our engineering team will recommend the most suitable copper grade, temper, surface treatment, and manufacturing solution.