C11000 Electrolytic Tough Pitch (ETP) Copper is known for its high electrical and thermal conductivity, good corrosion resistance and solderability. C11000 copper is used for welding fixtures, anodes, bus bar in electrical power installations, ground straps, commutators and current-carrying hardware.
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When Schneider Electric builds substation busbars or Ford wires EV battery packs, they trust C11000 ETP Copper. This industry-standard alloy delivers 100% IACS conductivity at half the cost of oxygen-free copper. With 99.90% purity and controlled oxygen (200-400 ppm), it bridges the gap between performance and affordability – powering everything from NYC skyscrapers to Samsung circuit boards.
Technical Parameters
| Property | C11000 ETP | C10100 (OFE) | C14500 (TeCu) |
|---|---|---|---|
| Purity | 99.90% Cu | 99.99% Cu | 99.80% Cu |
| Oxygen Content | 200-400 ppm | ≤5 ppm | 150 ppm |
| Electrical Conductivity | 100% IACS | 101% IACS | 98% IACS |
| Tensile Strength | 210 MPa | 220 MPa | 240 MPa |
| Thermal Conductivity | 391 W/m·K | 398 W/m·K | 380 W/m·K |
| Ductility (Elongation) | 35% | 45% | 25% |
| Cost Efficiency | $8.50/kg | $22.00/kg | $10.20/kg |
Certifications: ASTM B152. DIN 1787. RoHS 3. UL Certified
3 Unmatched Advantages
Cost-Performance Champion
40% cheaper than oxygen-free copper – powers 78% of global electrical infrastructure.
Reliable Conductivity
Maintains 100% IACS from -50°C to 150°C – trusted in Arctic offshore rigs.
Fabrication Flexibility
Welds, bends, and stamps 3x easier than high-purity alloys – slashes Ford’s EV wiring costs by 18%.
Key Features
Hot Workable: Forges at 800°C without cracking (critical for switchgear lugs).
Self-Healing Oxide Layer: Blocks sulfur corrosion in urban atmospheres (passes ASTM B117 salt spray).
EMI Shielding: Attenuates 98% RF interference (5G tower certified).
Solderable & Brazable: Bonds instantly with lead-free solders (IPC J-STD-006 compliant).
Production Process
1 Cathode Purification:
Electrowinning removes Fe/Ni to <100 ppm.
2 Continuous Casting:
Molten copper poured under charcoal layer to control O₂.
3 Hot Rolling:
Reduced 90% at 700°C for isotropic grain structure.
4 Cold Drawing:
Precision sizing with ±0.01mm tolerance.
5 Annealing:
550°C hydrogen atmosphere recrystallization.
Core Applications
| Industry | Components | Validation |
|---|---|---|
| Electrical | Power transmission busbars | 50+ yrs service in Con Edison substations |
| Construction | Lightning protection systems | UL 96A certified for Burj Khalifa |
| Automotive | EV battery interconnects | 2M+ units in Ford Mach-E battery packs |
| Electronics | PCB ground planes | 0.008Ω impedance in Apple MacBook Pros |
| Industrial | Welding transformer windings | Lincoln Electric 500k-cycle warranty |
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