W75Cu25 Tungsten-Copper Alloy Bar
Tungsten Copper Electrodes are WIDELY used, mainly used in the manufacture of high voltage switch contacts, rocket nozzle throat liner, tail rudder and other high temperature parts, can also be used as electrical processing electrode, high temperature mold and other occasions requiring high conductivity and high temperature.
Product Description
| Copper Rods (Purple Copper) - Detailed Technical Specifications | ||||
| Common Copper Rod Grades, Standards, and Applications | ||||
| UNS No. | Designation | Standard | Key Characteristics | Typical Applications |
| C11000 | ETP (Electrolytic Tough-Pitch) | ASTM B5, B124, B187 | High conductivity (≥100% IACS annealed); Cu+Ag ≥ 99.90%; contains oxygen (≤0.04%); excellent electrical and thermal conductivity | Electrical bus bars, connectors, transformer components, general electrical applications |
| C10100 | OFE (Oxygen-Free Electronic) | ASTM B187 | Cu ≥ 99.99%; exceptionally high conductivity; no oxygen; suitable for critical electronic applications | High-end electronics, vacuum components, semiconductor manufacturing |
| C10200 | OF (Oxygen-Free) | ASTM B187 | Cu ≥ 99.95%; good conductivity; reduced embrittlement risk | Electrical applications requiring high purity |
| C12200 | DHP (Phosphorus-Deoxidized) | ASTM B124 | Cu ≥ 99.85%; P 0.013-0.040%; good weldability and corrosion resistance; conductivity ~79% IACS | Plumbing, heating systems, welded components, automotive brake lines |
| C10300 | Oxygen-Free Copper | ASTM B187 | Cu ≥ 99.95%; excellent mechanical properties; available in H04 temper with 310MPa tensile strength | Forging applications, high-strength electrical components |
| T1 / TU1 | Chinese Standard | GB/T 3952 | High purity; Cu ≥ 99.97%; oxygen content ≤ 0.040% | Electrical copper rods for wire drawing |
| T2 | Chinese Standard | GB/T 5231 | Cu+Ag ≥ 99.90%; similar to C11000; contains minor impurities (Bi≤0.001%, Sb≤0.002%, As≤0.002%, Fe≤0.005%) | General-purpose copper bars and rods |
| Dimensional Specifications for Copper Rods | ||||
| Shape | Diameter / Size Range (mm) | Length Range (mm) | Standard | Temper |
| Round Rod (Cold Drawn) | 5 – 80 | Up to 6000 | EN 12165/13601 | M (extruded), D (drawn) |
| Round Rod (Hot Extruded) | 80 – 140 | Up to 6000 | EN 12165/13601 | M (hot extruded) |
| Round Rod (General) | 6 – 200 | Up to 6000 | ASTM B187 | Soft, 1/4 Hard, 1/2 Hard, Hard |
| Square Rod (Cold Drawn) | 5 – 60 (across flats) | Up to 6000 | EN 12165/13601 | D (drawn) |
| Square Rod (Hot Extruded) | 60 – 100 (across flats) | Up to 6000 | EN 12165/13601 | M (hot extruded) |
| Rectangular Bar (Cold Drawn) | Width: 5 – 125; Thickness: 2.5 – 30 | Up to 6000 | EN 12165/13601 | D (drawn) |
| Rectangular Bar (Hot Extruded) | Width: 60 – 130; Thickness: 30 – 70 | Up to 6000 | EN 12165/13601 | M (hot extruded) |
| Round Rod (Chinese Standard) | 6.0 – 35.0 (hot rolled) / 6.0 – 12.0 (hard) | Variable | GB/T 3952 | R (hot rolled), Y (hard) |
| Electrical Properties of Copper Rods | ||||
| Grade | Temper | Electrical Conductivity (% IACS) | Volume Resistivity (Ω·mm²/m) max | Mass Resistivity (Ω·g/m²) |
| C11000 | Annealed | ≥ 100 | 0.01707 (T1) | 0.15176 (T1) |
| C11000 | Hard / 1/4H / 1/2H / 3/4H | ≥ 97 | / | / |
| T2 / TU2 | Various | / | 0.01724 | 0.15328 |
| C12200 | All | ~79 | / | / |
| TU2 (Oxygen-Free) | Various | / | 0.01777 | 0.15798 |
