C10200 Oxygen Free Copper (CDA 102)
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
Product Description
| Copper Wire - Detailed Technical Specifications | |||
| Common Copper Wire Types and Classifications | |||
| Wire Type | Designation | Standard | Key Characteristics |
| Single Wire Copper | 99.99% Pure Cu | ASTM B1, B2, B3 | Bare, solid, single copper strand conductor; high conductivity; 100% copper core |
| Hard Drawn Copper Wire | HDC | ASTM B1 | High tensile strength; minimal ductility; high electrical conductivity |
| Medium Hard Drawn Copper | MHDC | ASTM B1 | Moderate tensile strength and elongation |
| Annealed Copper Wire | Soft Drawn | ASTM B3 | Maximum ductility; low tensile strength; excellent bendability |
| Tin-Coated Copper Wire | Tinned Cu | ASTM B33 | Copper core with tin coating; excellent corrosion resistance; good solderability |
| Silver-Coated Copper Wire | Ag-Cu | ASTM B298 | Copper core with silver coating; excellent high-frequency performance; corrosion resistant |
| Nickel-Coated Copper Wire | Ni-Cu | ASTM B355 | Copper core with nickel coating; high temperature resistance; oxidation resistant |
| Enameled Copper Wire | Magnet Wire | IEC 60317 | Copper with insulating enamel coating; self-bonding; various temperature classes |
| Electrical Properties of Copper Wire | |||
| Property | Hard-Drawn Copper | Medium-Hard Drawn | Annealed Copper |
| Electrical Conductivity (% IACS) | 97.0 min. | 97.5 min. | 100.0 min. |
| Resistivity (Ω·mm²/m) at 20°C | 0.01777 | 0.01758 | 0.017241 |
| Resistivity (Ω·m) at 20°C | 1.770×10⁻⁸ | / | 1.724×10⁻⁸ |
| Temperature Coefficient of Resistance (K⁻¹) | 0.0039 | / | 0.00393 |
| Specific Heat (J/g·K) | 0.385 | / | 0.385 |
| Delivery Specifications - Copper Wire Coils | |||
| Parameter | Specification | Notes | |
| Coil Weight | 50 – 250 kg | Standard for drawn wire | |
| Coil Weight | 10 – 50 kg | For fine and ultra-fine wire | |
| Spool/Carrier | Spools, reels, coils | Various material types available | |
| Core Size | Customized | Matches customer winding equipment | |
| Packaging | Wrapped, palletized | Protect from moisture and mechanical damage | |
| Length per Weight | Varies | Dependent on wire diameter | |
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