Industrial-Grade C11000 ETP Copper Rod Corrosion Resistant & Highly Conductive
Industrial-Grade C11000 ETP Copper Rod Corrosion Resistant & Highly Conductive
Specification of our copper products
| Product Name | Pure Copper Bar |
| Material | Copper |
| Standard | ASTM, AISI, JIS, DIN, GB, EN |
| Grade |
C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920,C10930, C11000,C11300,C11400,C11500,C11600,C12000,C12200,C12300,C12500,C14200, C14420,C14500,C14510,C14520,C14530,C17200,C19200,C21000,C23000,C26000, C27000,C27400,C28000,C33000,C33200,C37000,C44300,C44400,C44500,C60800, C63020,C65500,C68700,C70400, C70620,C71000,C71500,C71520,C71640,C72200 T1,T2,T3,TU1,TU0,TU2,TP1,TP2,TAg0.1, |
| Shape | Round |
| Temper | O-H112; T3-T8; T351-T851 |
| Diameter | 4 - 300mm |
| Length | custom cutting any length as request |
| Payment terms | T/T,L/C,western union |
| Price terms | CFR,FOB,CIF,Ex-work,CNF |
| Package | Standard export seaworthy package or as required. |
| Contact | If you have any question,please feel free to contact me. |
Industrial-Grade C11000 ETP Copper Rod – Corrosion Resistant & Highly Conductive
Product Summary
The Industrial-Grade C11000 Electrolytic Tough Pitch (ETP) Copper Rod is a premium-quality, high-purity copper product engineered for demanding electrical, thermal, and industrial applications. With a minimum copper content of 99.90%, this rod delivers exceptional electrical conductivity (≥100% IACS), outstanding corrosion resistance, and excellent formability in the annealed condition. Available in diameters from 4 mm to 300 mm, it meets global material standards including ASTM B187, UNS C11000, EN 13601 (Cu-ETP), and ISO 1337.
Designed for reliability in harsh environments—from power substations to marine grounding systems—this industrial-grade copper rod combines performance, durability, and compliance for mission-critical infrastructure.
Key Specifications
| Parameter | Value / Description |
|---|---|
| Material Grade | C11000 (UNS), Cu-ETP (EN) |
| Copper Purity | ≥ 99.90% |
| Oxygen Content | 200–400 ppm |
| Electrical Conductivity | ≥ 100% IACS (at 20°C) |
| Thermal Conductivity | ~398 W/m·K |
| Density | 8.94 g/cm³ |
| Melting Point | 1083–1085°C |
| Condition | Annealed (O60 temper) |
| Diameter Range | 4 mm – 300 mm |
| Standard Lengths | 1000 mm – 6000 mm (custom lengths available) |
| Surface Finish | Bright, clean, oxide-controlled |
Chemical Composition (Per ASTM B187)
| Element | Typical (%) | Max Limit (%) |
|---|---|---|
| Cu + Ag | ≥ 99.90 | — |
| Cu | ≥ 99.85 | — |
| O | 0.02–0.04 | 0.04 |
| Pb | ≤ 0.005 | 0.005 |
| Fe | ≤ 0.005 | 0.005 |
| S | ≤ 0.005 | 0.005 |
| Other (each) | ≤ 0.001 | 0.001 |
| Total Impurities | ≤ 0.03 | 0.03 |
Note: Silver (Ag) is allowed as a residual element and does not degrade conductivity.
Mechanical & Physical Properties (Annealed)
| Property | Typical Value |
|---|---|
| Tensile Strength | 210–250 MPa |
| Yield Strength (0.2% offset) | 60–80 MPa |
| Elongation | 40–50% |
| Hardness (HV) | 40–50 |
| Coefficient of Thermal Expansion | 16.5 × 10⁻⁶ /°C (20–100°C) |
| Modulus of Elasticity | 110–128 GPa |
These properties ensure excellent cold-forming capability—ideal for bending, stamping, drawing, and coiling without cracking.
Key Features
- ✅ Ultra-High Conductivity: Meets or exceeds 100% IACS—ideal for power transmission.
- ✅ Corrosion Resistant: Performs reliably in atmospheric, freshwater, and mildly aggressive chemical environments.
- ✅ Annealed for Ductility: Enables complex shaping and fabrication.
- ✅ Low Impurity Profile: Ensures consistent performance and weldability.
- ✅ Non-Magnetic: Suitable for sensitive electronic and instrumentation applications.
- ✅ Recyclable & Sustainable: Fully recyclable with no loss of properties.
Compliance & Standards
Our C11000 copper rods are manufactured and tested in accordance with:
- ASTM B187: Standard Specification for Copper Bus Bar, Rod, and Shapes
- UNS C11000: Unified Numbering System designation
- EN 13601: Copper and copper alloys – Rod for electrical purposes (Cu-ETP)
- ISO 1337: Wrought copper – Chemical composition
- IEC 60193: Methods for measuring electrical resistivity of copper
All products are RoHS and REACH compliant. Mill Test Reports (MTRs) per EN 10204 3.1 are provided upon request.
Typical Applications
| Industry | Application Examples |
|---|---|
| Electrical Power | Busbars, transformer windings, switchgear components |
| Renewables | Solar inverter conductors, EV charging infrastructure |
| Electronics | Connectors, terminals, lead frames, PCB through-holes |
| Industrial | Grounding rods, lightning protection systems |
| Transportation | Railway electrification, battery interconnects (EVs) |
| Construction | Building grounding networks, architectural shielding |
| Marine | Cathodic protection anodes, shipboard electrical systems |
Due to its corrosion resistance and conductivity, C11000 is especially favored in coastal and high-humidity environments where long-term reliability is critical.
Related Products
We also supply complementary copper and copper alloy products for integrated system design:
| Product Type | Grades Available | Key Use Cases |
|---|---|---|
| C10100 Oxygen-Free Copper Rod | >99.99% Cu, hydrogen-safe | Vacuum electronics, aerospace |
| C12200 Phosphorus-Deoxidized Copper | Lead-free plumbing, HVAC | Potable water systems |
| C26000 Cartridge Brass Rod | 70% Cu, 30% Zn | Valves, fittings, fasteners |
| C36000 Free-Cutting Brass | High machinability | Precision screws, gears |
| C11000 Copper Wire | Annealed or hard-drawn | Magnet wire, building wire |
Custom alloys and tempers available upon engineering consultation.
Packaging & Transportation
To ensure product integrity during shipping and storage:
- Straight Rods (4–300 mm): Bundled with steel straps, wrapped in moisture-resistant VCI paper, and placed on wooden pallets.
- Coiled Rods (≤20 mm): Neatly coiled on wooden spools or plastic reels, shrink-wrapped.
- Surface Protection: Ends capped or deburred; optional anti-tarnish coating available.
- Marking: Each bundle labeled with grade, diameter, heat number, length, weight, and compliance info.
- Shipping: Export-ready packaging compliant with ISPM 15 (for wooden materials). Suitable for ocean, air, and land freight.
Storage: Keep in dry, low-humidity environments. Avoid contact with acidic or sulfur-containing atmospheres to prevent tarnishing.
Frequently Asked Questions (FAQ)
Q1: Is C11000 suitable for welding?
A: C11000 can be welded using TIG or MIG with inert gas shielding, but porosity may occur due to oxygen content. For critical welded joints, consider oxygen-free copper (C10100/C10200).
Q2: Can this copper rod be used in hydrogen-rich environments?
A: No. The oxygen in ETP copper reacts with hydrogen at elevated temperatures (>200°C), causing steam formation and internal cracking (hydrogen embrittlement). Use deoxidized or oxygen-free copper instead.
Q3: What’s the difference between C11000 and C10100?
A: C11000 contains 200–400 ppm oxygen for improved castability and conductivity; C10100 is oxygen-free (<0.001% O), making it safer for high-temperature reducing atmospheres.
Q4: How is conductivity verified?
A: We use eddy current testing per ASTM E1004 to non-destructively confirm ≥100% IACS conductivity on every production batch.
Q5: Do you offer cut-to-length services?
A: Yes. Precision saw-cutting with ±0.5 mm tolerance is available for diameters up to 150 mm.
Q6: Is this product RoHS compliant?
A: Yes. All C11000 rods meet EU RoHS Directive 2011/65/EU and contain no restricted substances above threshold limits.
Q7: What is the typical lead time?
A: Standard sizes: 2–3 weeks. Custom diameters or large-volume orders: 4–6 weeks.
Why Choose Our Industrial-Grade C11000 Copper Rod?
- Consistent Quality: Produced in ISO 9001 & ISO 14001 certified facilities.
- Global Traceability: Full heat traceability from cathode to finished rod.
- Technical Support: Metallurgists available for application-specific guidance.
- Scalable Supply: From prototype quantities to multi-ton contracts.
- Sustainability Focus: Sourced from responsibly mined and recycled copper feedstocks.
Contact & Ordering
Ready to specify or order? Provide the following details for a rapid quote:
- Diameter (mm)
- Length (mm)
- Quantity (kg or pieces)
- Required certifications (e.g., MTR, RoHS)
- Special requirements (e.g., ultrasonic testing, polished finish)
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.