


| Copper Wire - Product Specification Table | ||
| Property Category | Specification | Description / Typical Values |
| General Information | Common Names | Copper Wire, Pure Copper Wire, Annealed Copper Wire |
| Material Standards | ASTM B1, B2, B3, B258 (for various wire types and tempers) | |
| Material Composition | Primary Alloys | C11000 (Electrolytic Tough Pitch Copper) |
| Copper Content | 99.90% min (C11000) | |
| Key Characteristics | High purity, excellent electrical conductivity | |
| Physical Properties | Density | 8.89 g/cm³ |
| Melting Point | 1083°C (1981°F) | |
| Electrical Conductivity | 100% IACS (International Annealed Copper Standard) min | |
| Thermal Conductivity | 391 W/m·K | |
| Mechanical Properties | Tensile Strength | 210-380 MPa (30,000-55,000 psi) |
| Yield Strength (0.2% Offset) | 170-350 MPa (25,000-51,000 psi) | |
| Elongation | 15%-40% | |
| Hardness | Rockwell F 40-80 | |
| Key Characteristics | Conductivity | Excellent electrical and thermal conductivity |
| Ductility | Excellent; can be easily drawn and formed | |
| Corrosion Resistance | Excellent; resistant to atmospheric and aqueous corrosion | |
| Solderability | Excellent | |
| Available Forms | Diameter Range | 0.05mm-10mm (0.002"-0.4") |
| Temper | Annealed (Soft), Hard Drawn | |
| Surface Finish | Bright, tinned, oxidized | |
| Common Applications | Electrical | Power transmission, motor windings, cables, magnet wire |
| Electronics | Lead wires, connectors, bonding wire | |
| Industrial | Welding wire, screening, fasteners | |
| Specialty | Jewelry making, crafts, sculpture | |
| Copper Grade / Type | Diameter Range | Temper / Condition | Typical Properties | Primary Applications |
| C11000 - ETP (Electrolytic Tough Pitch) | Imperial: 0.010" - 0.250" Metric: 0.25mm - 6.35mm | Annealed (Soft) | Conductivity: 100% IACS (min) Tensile Strength: 30-40 ksi (207-276 MPa) Elongation: 30-40% | Electrical windings, conductors, general purpose wiring, terminals. |
| Standard Electrical Copper | Imperial: 0.010" - 0.080" Metric: 0.25mm - 2.0mm | Hard Drawn | Conductivity: 98% IACS (min) Tensile Strength: 45-55 ksi (310-380 MPa) Elongation: 1-10% | Springs, leads, pins, structural components requiring higher strength. |
| C10200 / C10100 - OF (Oxygen-Free) | Imperial: 0.005" - 0.125" Metric: 0.13mm - 3.18mm | Annealed (Soft) | Conductivity: 101% IACS (min) High Ductility, Non-Embrittling in reducing atmospheres. | High-vacuum electronics, glass-to-metal seals, high-frequency conductors, sputtering targets |
| OFC (Oxygen-Free Copper) | Imperial: 0.020" - 0.250" Metric: 0.5mm - 6.35mm | Hard Drawn / Quarter-Hard | Conductivity: 100% IACS (min) Superior surface quality, free from internal oxides. | Premium audio cables, magnet wire, fine precision components. |
| Bare / Uninsulated | Fine Wire: 0.001" - 0.039" (0.025mm - 1.0mm) Ultra-Fine: (< 0.001") available | Various: Dead Soft to Full Hard | Custom resistivity and mechanical properties per application. | Bonding wire, superconducting composites, microfabrication, shielding. |

