

UNS CDA 102, SAE J461, ASTM B152, ASTM B187, ASTM B272
High Conductivity (OFHC) Copper characteristics are high ductility, high electrical and thermal conductivity, high impact strength, good creep resistance, ease of welding, and low volatility under high vacuum

| Copper Wire - Technical Specification Sheet | ||
| Alloy / UNS Designation | Diameter Range | Temper / Condition |
| C10100 / C10200 - Oxygen-Free Copper (OFHC) | 0.02 mm - 8.0 mm (0.0008 in - 0.315 in) | Soft (Annealed) – O Hard Drawn – H08 Extra Hard – H10 |
| C11000 - Electrolytic Tough Pitch (ETP) Copper | 0.02 mm - 12.0 mm (0.0008 in - 0.472 in) | Soft (Annealed) – O (ASTM B3) Medium Hard – (ASTM B2) Hard Drawn – H08 (ASTM B1) Extra Hard – H10 |
| C15000 - Zirconium Copper | 0.10 mm - 6.0 mm | Soft (Annealed) Hard Drawn Heat Treated |
| Bare / Uninsulated (All Grades) | Ultra-Fine: < 0.001 in (0.025 mm) Fine Wire: 0.001 in - 0.010 in (0.025 mm - 0.254 mm) Bonding Wire: 0.0005 in - 0.002 in (0.0127 mm - 0.0508 mm) | Annealed (Dead Soft) As-Drawn |
| Standard Manufacturing Parameters & Supply Details | |||
| Purity Grades: | |||
| Grade | Purity (Cu min.) | Conductivity (IACS) | Primary Use |
| C10100 (OFE) | 99.99% | 101% – 102% | Ultra-high purity, semiconductor, vacuum |
| C10200 (OF) | 99.95% | 101% | Oxygen-free, high conductivity, welding |
| C11000 (ETP) | 99.90% | 101% | General electrical, lowest cost |
| Surface Finishes & Coatings: | |||
| Finish | Coating Thickness | Properties | Applications |
| Bare (Bright) | N/A | Maximum conductivity | General wiring, magnet wire base |
| Tinned (Hot Dip/Electroplate) | 2 – 5 μm | Solderability, corrosion resistance | Marine, lead wires, electronics |
| Silver-Plated | 1 – 10 μm | High conductivity surface, RF performance | High-frequency cables, RF connectors |
| Nickel-Plated | 1 – 5 μm | High-temperature resistance | High-heat environments |
| Enameled (Magnet Wire) | 0.5 – 5 mil | Electrical insulation | Motor windings, transformers, coils |
| Packaging Options: | |||
| Package Type | Capacity (Weight) | Spool/Reel Material | Typical Use |
| Plastic Spool | 1 – 50 kg | Polypropylene, Nylon | Electronic wire, fine gauge |
| Wooden Spool | 50 – 500 kg | Hardwood | Medium and heavy gauge wire |
| Steel Spool | 500 – 5,000 kg | Steel | Industrial cable manufacturing |
| Carton Coil (Bunch) | 5 – 50 kg | Cardboard coil | Pay-off for automated lines |
| Pay-off Pack | 10 – 500 kg | Plastic/straw | Continuous feeding |


