Precision Copper Fabrication for
Power & Thermal Applications
High-purity T2 / C11000 / C10100 red copper with superior electrical and thermal conductivity — engineered for busbars, heat sinks, power components and RF shielding.
- 99.9% Purity, 101% IACS Conductivity
- Plating Route Confirmed by RFQ
- Initial Response Target: 24 Working Hours
RFQs Reviewed for Power Electronics, EV & Telecom Applications Worldwide
Material Overview
High-purity red copper offers the second-highest electrical and thermal conductivity of any metal — surpassed only by silver. We process T2 / C11000 ETP, C10100 OFE and C12200 DHP grades for busbars, heat sinks, transformer windings, RF shielding and electrical contacts requiring premium conductivity.
Physical Properties
- Thermal Conductivity
- 401 W/m·K
- Electrical Conductivity
- 101% IACS
- Specific Heat
- 385 J/kg·K
- Young's Modulus
- 117 GPa
- Density
- 8.96 g/cm³
- Thermal Expansion
- 16.5 µm/m·K
Pure Copper Grade Specifications
Mechanical and chemical properties of available grades. All values measured at room temperature (20°C) per ASTM B152 / GB/T 5231 international standards.
| Grade | Standard | Composition | Tensile MPa | Yield MPa | Elong. % | Hardness | Key Characteristics |
|---|---|---|---|---|---|---|---|
| T2 | GB/T 5231 | Cu ≥ 99.90% | 220 | 70 | 45 | HV 50 | General-purpose red copper, electrical use |
| C11000 | ASTM B152 | Cu ≥ 99.90% (ETP) | 220 | 70 | 45 | HV 50 | Electrolytic Tough Pitch, US standard |
| C10100 | ASTM B152 | Cu ≥ 99.99% (OFE) | 220 | 70 | 45 | HV 50 | Oxygen-Free Electronic, vacuum tubes |
| C12200 | ASTM B152 | Cu ≥ 99.90%, P 0.02% | 220 | 70 | 45 | HV 50 | DHP, plumbing & HVAC weldable |
| T3 | GB/T 5231 | Cu ≥ 99.70% | 220 | 70 | 42 | HV 52 | Cost-effective, general industrial |
| TU1 | GB/T 5231 | Cu ≥ 99.97% (Oxygen-Free) | 220 | 70 | 45 | HV 50 | Premium grade, high-frequency components |
Electrical Conductivity by Grade
Visual comparison of electrical conductivity (% IACS) across available copper grades — pure copper's defining property.
RFQ Planning for This Material
Available Surface Treatments
- Tin Plating
- Nickel Plating
- Silver Plating
- Gold Plating
- Polishing
- Anti-Tarnish Coating
- Passivation
Common Applications
- Power Busbars
- Heat Sinks
- EV Battery Connectors
- Transformer Windings
- RF Shielding
- Electrical Contacts
Start Your Copper Fabrication Project
Submit your CAD drawings for RFQ review. The initial response target is within 24 working hours; DFM and quotation timing depend on file completeness and engineering scope. Tin, nickel or silver plating and material-traceability requirements are confirmed before order placement.
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