W70Cu30 Tungsten-Copper Alloy Bar
Tungsten Copper Bar has a wide range of uses, mainly used to manufacture the contact of high voltage electric switch and high temperature components such as rocket nozzle throat liner and tail rudder, and also used as electrodes for electrical processing, high temperature mold and other occasions requiring high conductivity and high temperature.
Product Description
| Copper Rod - Product Specification Table | ||
| Property Category | Specification | Description / Typical Values |
| General Information | Common Names | Copper Rod, Copper Bar, Copper Round Bar |
| Material Standards | ASTM B187, ASTM B152, C11000, C10200 | |
| Material Composition | Primary Alloys | C11000 (Electrolytic Tough Pitch Copper) |
| Copper Content | 99.90% min (C11000) | |
| Oxygen Content | 0.02%-0.04% (ETP copper) | |
| Physical Properties | Density | 8.94 g/cm³ |
| Melting Point | 1083°C (1981°F) | |
| Electrical Conductivity | 100% IACS min | |
| Thermal Conductivity | 391 W/m·K | |
| Mechanical Properties | Tensile Strength | 250-380 MPa (36,000-55,000 psi) |
| Yield Strength (0.2% Offset) | 200-350 MPa (29,000-51,000 psi) | |
| Elongation | 12%-45% | |
| Hardness | Rockwell B 40-85 | |
| Key Characteristics | Conductivity | Excellent electrical and thermal conductivity |
| Corrosion Resistance | Excellent; resistant to atmospheric and aqueous environments | |
| Machinability | Fair (20% of free-cutting brass) | |
| Formability | Excellent; can be hot and cold worked | |
| Available Forms | Diameter Range | 3mm-300mm (0.125"-12") |
| Length | 1m-6m (3ft-20ft) | |
| Temper | Annealed (soft), Half-hard, Hard | |
| Shape | Round, Square, Hexagonal | |
| Common Applications | Electrical | Bus bars, switchgear components, electrical contacts |
| Industrial | Heat exchangers, welding electrodes, machinery parts | |
| Construction | Plumbing fittings, roofing elements, architectural details | |
| Manufacturing | Base material for forged and machined parts | |
| Alloy & Standard Designation | Diameter Range (in / mm) | Temper / Condition | Key Mechanical & Electrical Properties | Common Industry Applications |
| C11000 - Electrolytic Tough Pitch (ETP) Copper | 1/8" (3.18mm) – 6" (152.4mm) 3mm – 150mm (Precision Ground) | H04 (Hard Drawn) H00 (Hot Rolled) O60 (Annealed) | Conductivity: 100% IACS (min) Tensile: 45-55 ksi (Hard) Yield: 40-50 ksi (Hard) | Electrical Conductors, Bus Bars, Heat Exchangers, General Fabrication |
| ASTM B187, ASTM B152 | ||||
| C10100 / C10200 - Oxygen-Free Copper (OFC) | 0.125" (3.18mm) – 4" (101.6mm) 5mm – 100mm | Annealed (O60) Hard (H04) | Conductivity: 101%+ IACS Non-Embrittling at high temp Excellent thermal conductivity | High-Vacuum Components, RF/Microwave Waveguides, Sputtering Targets, Premium Audio |
| ASTM B187, UNS C10100 | ||||
| C14500 - Tellurium Copper (Free-Machining) | 1/4" (6.35mm) – 3" (76.2mm) 8mm – 80mm | H04 (Hard) H02 (Half-Hard) | Conductivity: 95% IACS (min) Machinability: 90% (C360=100%) Excellent thermal & electrical | Screw Machine Parts, Electrical Fittings, Switches, Welding Nozzles |
| ASTM B301 | ||||
| C14700 - Sulfur-Bearing Free-Machining Copper | 0.25" (6.35mm) – 2" (50.8mm) 5mm – 50mm | H04 (Hard Drawn) | Conductivity: 98% IACS (typ) Machinability: 85% (C360=100%) Superior hot-working properties | Hot Forging Stock, Electrical Connectors, Plumbing Fittings |
| ASTM B124 | ||||
| C15760 - Zirconium Copper (High Strength) | 0.375" (9.5mm) – 2" (50.8mm) 10mm – 60mm | Solution Annealed & Aged Cold Worked & Aged | Conductivity: 80-90% IACS Tensile: 65-75 ksi (Aged) High Temp Stability to 400°C | Resistance Welding Electrodes, Heavy Duty Switches, High Temp Conductors |
