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{"title":"Red Copper Wire Pure Red 0.03-7.5mm Diameter 0.44 Resistivity Soft Annealed","imgUrl":"https:\/\/img.chinax.com\/nimg\/e0\/15\/1d710955d72720e9999cdc19f128-200x200-1\/red_copper_wire_pure_red_0_03_7_5mm_diameter_0_44_resistivity_soft_annealed.jpg","attrs":{"Ultimate Strength (\u2265 MPa)":"\u2265200","Alloy Or Not":"Non-Alloy","Conductivity":"Standard (%IACS)","Cu (Min)":"99.9"}}
{"title":"ZL114A Aluminum Casting Alloys Alu Material High Precision EB9147 Red Color","imgUrl":"https:\/\/img.chinax.com\/nimg\/60\/31\/cac379ccfb9d1cea4f7532681509-200x200-1\/zl114a_aluminum_casting_alloys_alu_material_high_precision_eb9147_red_color.jpg","attrs":{"Brand Name":"Eternal Bliss","Model Number":"EB9147","Certification":"ISO9001-2008","Place of Origin":"China"}}
{"title":"Precision Brass Forging Investment Die Manufacturer's Bronze Castings with","imgUrl":"https:\/\/img.chinax.com\/nimg\/db\/7e\/2b90fd358bd8bcaced2b1f56a818-200x200-1\/precision_brass_forging_investment_die_manufacturer_27s_bronze_castings_with_forging_services.jpg","attrs":{"Type":"Sleeve\/Bushing","Material":"ZCuAl10Fe3\/C95400","Features":"High load capability,Low weight , Good corrosion resistance.","Color":"Customized Color"}}
{"title":"Tensile Strength 420 N\/mm2 Corrosion Resistant Castings with Module Of Gear 8-60","imgUrl":"https:\/\/img.chinax.com\/nimg\/cb\/e9\/e1aee9b2dda0575a1ae62ecb896c-200x200-1\/tensile_strength_420_n_2fmm2_corrosion_resistant_castings_with_module_of_gear_8_60_for_400_e2_84_83_1200_e2_84_83_industrial_appli.jpg","attrs":{"Brand Name":"EB China","Module Of Gear":"8-60","Working Temperature":"400\u2103-1200\u2103","Machining":"CNC"}}
{"title":"Intelligent Face Recognition Equipment's Aluminum Alloy Zinc Alloy Precision","imgUrl":"https:\/\/img.chinax.com\/nimg\/23\/e2\/9b5557dd2bc236c7663d960ea3a0-200x200-1\/intelligent_face_recognition_equipment_27s_aluminum_alloy_zinc_alloy_precision_electronic_housing_custom_die_casting_services.jpg","attrs":{"Model Number":"EB1253","Surface Treament":"Mill-Finished, Powder Coating,Polishing, Brushing, etc.","Colour":"Shinning Polishing , powder coated as customer demand","Place of Origin":"Jiangsu, China"}}
{"title":"Wall Thickness WT0.5mm-22mm Corrosion Resistant Castings with Temperature","imgUrl":"https:\/\/img.chinax.com\/nimg\/c1\/79\/dfab00f7acb30fa3c816532fa03f-200x200-1\/wall_thickness_wt0_5mm_22mm_corrosion_resistant_castings_with_temperature_resistance_up_to_1000_c2_b0c_and_module_of_gear_8_60.jpg","attrs":{"Brand Name":"EB China","Tensile Strength":"420 Min (N\/mm2)","Diameter":"1-500mm","Corrosion Type":"Anti-corrosive"}}
{"title":"EB Copper Gold Tin Plated Brass Balls HRC 62-66 Smooth & Shiny 1-25mm Hardware","imgUrl":"https:\/\/img.chinax.com\/nimg\/8b\/e5\/1428196c9cad04bb4905a77834e8-200x200-1\/eb_copper_gold_tin_plated_brass_balls_hrc_62_66_smooth_26_shiny_1_25mm_hardware_parts.jpg","attrs":{"Application":"Hardware parts","Place of Origin":"Jiangsu, China","Color":"brass color","Brand Name":"EB"}}
Our premium copper wire features exceptional purity of ≥99.9% with ultra-low resistivity of 0.0172 μΩ*m, making it the ideal core material for power cables, motor windings, and electrical connectors.
With excellent ductility and cold-forming capabilities, this copper wire is perfect for precision electronic components, heat dissipation parts, and thermocouple extension wire substrates. Available in diameters from 0.1mm to 10mm with custom lengths and surface treatments.
Technical Specifications
Performance / Selection Item
Details
Core Composition
Cu≥99.9%, Pure Copper
Resistivity (20°C)
0.0172 μΩ*m
Temperature Coefficient of Resistance
+4300 ×10⁻⁶/°C
Thermoelectric Potential vs Copper
≈0 μV/℃ (self); ≈45 μV/℃ when paired with Constantan
Applicable Operating Temperature
-200~250°C (for electrical conduction scenarios)
Microstructure / Magnetic Property
Non-magnetic, face-centered cubic lattice
Thermal Conductivity (20°C)
401 W/m*K (extremely high)
Ductility (Elongation)
≥40% (excellent, easy to cold work)
Core Performance Advantages
Excellent electrical and thermal conductivity, high ductility, low cost, easy to process
Main Limitations
Resistance changes significantly with temperature, general wear resistance
Key Industrial Applications
Power cables, motor windings, connectors, heat dissipation components, base material for thermocouple extension wires, busbars
Priority Selection Scenarios
High electrical/thermal conductivity requirements, general electrical connections, heat dissipation design
Product Features
Pure red copper wire with 0.03-7.5mm diameter range
Soft annealed for optimal workability
ISO9001 certified quality assurance
EB brand reliability and consistency
Suitable for cutting and welding applications
Direct factory supply with competitive pricing
Quality Assurance & Manufacturing
Frequently Asked Questions
Q: Are you trading company or manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5~10 days if the goods are in stock. Or it is 45 days if the goods are not in stock, depending on quantity.
Q: What is your terms of payment?
A: Payment ≤ 1000USD: 100% in advance. Payment ≥ 1000USD: 50% T/T in advance, balance before shipment. Irrevocable LC at sight accepted.
EB China makes metal better.
EB China is a professional manufacturer of high alloy castings and forgings with 22-year history!!Our main products include corrosion, wear & heat-resistant castings & forgings.
Our foundry & forging plant have passed ISO9001,ISO14001,ISO45001 Management Syst... EB China makes metal better.
EB China is a professional manufacturer of high alloy castings and forgings with 22-year history!!Our main products include corrosion, wear & heat-resistant castings & forgings.
Our foundry & forging plant have passed ISO9001,ISO14001,ISO45001 Management Syst...