C11000 Copper Rod | ETP Copper Round Bar | UNS C11000 CW004A Copper Solid Bar
We are a professional manufacturer, stockist, and exporter of C11000 Copper Rod, ETP Copper Round Bar, Copper Solid Bar, and CW004A Copper Bar in China. Our C11000 copper products are widely used in electrical power systems, switchgear equipment, transformer components, grounding systems, busbars, machining parts, and industrial engineering applications requiring maximum electrical and thermal conductivity.
C11000 copper, also known as Electrolytic Tough Pitch Copper (ETP Copper), contains a minimum of 99.90% copperand offers conductivity of approximately 100% IACS, making it one of the most widely used copper grades worldwide.
What is C11000 Copper Rod?
C11000 Copper Rod is a high-purity electrolytic tough pitch copper alloy with excellent electrical conductivity, thermal conductivity, corrosion resistance, and fabrication characteristics.
Known internationally as:
- UNS C11000
- CDA 110
- Cu-ETP
- EN CW004A
- JIS C1100
C11000 copper bars are widely selected for applications requiring efficient current transmission, superior heat dissipation, and excellent machinability.
Download C11000_Copper_Rod_Cu_ETP_Technical_Data_Sheet
Equivalent Standards
| Standard | Grade |
|---|---|
| UNS | C11000 |
| CDA | 110 |
| ASTM | B152, B187, B49 |
| ASME | SB152 |
| EN | CW004A |
| ISO | Cu-ETP |
| JIS | C1100 |
| DIN | E-Cu58 |
Related Product
- C11000 Copper Bar
- C11000 Copper Rod
- ETP Copper Round Bar
- CW004A Copper Rod
- Electrolytic Tough Pitch Copper
- Copper Solid Bar Manufacturer
- High Conductivity Copper Bar
- UNS C11000 Round Bar
Chemical Composition of C11000 Copper
| Element | Content (%) |
|---|---|
| Copper + Silver (Cu+Ag) | ≥ 99.90 |
| Oxygen (O) | 0.02 – 0.04 |
| Phosphorus (P) | ≤ 0.040 |
| Total Impurities | ≤ 0.10 |
The controlled oxygen content contributes to excellent conductivity while maintaining good mechanical performance.
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 220 – 350 MPa |
| Yield Strength | 70 – 150 MPa |
| Elongation | ≥ 30% |
| Hardness | 40 – 85 HRB |
| Electrical Conductivity | ≥ 100% IACS |
| Thermal Conductivity | 390 W/m·K |
| Density | 8.94 g/cm³ |
Available Forms
We supply:
Copper Round Bar
- Diameter: 6 mm – 500 mm
Copper Flat Bar
- Customized dimensions available
Copper Square Bar
- Precision machined or hot rolled
Copper Hexagonal Bar
- Suitable for CNC machining
Copper Forged Bar
- Large diameter forged copper rods
Manufacturing Standards
Our C11000 copper rods are manufactured according to:
- ASTM B187
- ASTM B152
- ASTM B49
- ASME SB152
- EN 13601
- EN 12163
- JIS H3250
- ISO Standards
Key Features of C11000 Copper Rod
Excellent Electrical Conductivity
C11000 offers conductivity close to pure copper and is the preferred material for electrical applications.
Outstanding Thermal Conductivity
Ideal for heat transfer components, heat sinks, cooling systems, and thermal management equipment.
Good Corrosion Resistance
Performs well in industrial, marine atmosphere, and outdoor environments.
Excellent Machinability
Suitable for CNC machining, turning, milling, drilling, and custom fabrication.
Superior Formability
Can be easily bent, forged, stamped, and fabricated into complex components.
Applications of C11000 Copper Rod
Electrical & Power Industry
- Electrical Busbars
- Switchgear Components
- Transformer Connectors
- Grounding Rods
- Conductors
Renewable Energy
- Solar Power Systems
- Wind Power Equipment
- Energy Storage Systems
Heat Transfer Equipment
- Heat Exchangers
- Heat Sinks
- Cooling Systems
Industrial Manufacturing
- CNC Machined Components
- Precision Electrical Parts
- Fasteners and Connectors
Inspection & Testing
All C11000 copper rods undergo comprehensive quality control:
- Chemical Composition Analysis
- Conductivity Testing
- Tensile Testing
- Hardness Testing
- Ultrasonic Testing (UT)
- Dimensional Inspection
- Surface Quality Inspection
Certificates available:
- EN 10204 3.1
- EN 10204 3.2
- SGS Inspection
- BV Inspection
- TUV Inspection
Packaging
- Wooden Cases
- Export Seaworthy Packing
- Plastic Protection Film
- Palletized Packaging
- Customized Export Packing
How to Order C11000 Copper Rod
Example 1
Product: C11000 Copper Round Bar
Size: Ø50 mm × 3000 mm
Standard: ASTM B187
Quantity: 2 Tons
Example 2
Product: ETP Copper Flat Bar
Material: UNS C11000
Size: 50 mm × 10 mm × 4000 mm
Quantity: 500 Pieces
FAQ
What is C11000 copper?
C11000 is Electrolytic Tough Pitch (ETP) copper containing at least 99.90% copper and offering approximately 100% IACS conductivity.
What is the difference between C11000 and C12200?
C11000 provides higher electrical conductivity, while C12200 (Cu-DHP) offers better weldability and resistance to hydrogen embrittlement.
Is C11000 suitable for electrical applications?
Yes. C11000 is one of the most widely used copper grades for electrical conductors, busbars, grounding systems, and switchgear.
Can C11000 copper bars be machined?
Yes. C11000 can be machined, drilled, milled, and fabricated into precision electrical and industrial components.
Do you provide EN 10204 3.1 certificates?
Yes. EN 10204 3.1 and third-party inspection certificates are available upon request.

C11000 Copper Rod