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Custom Flexible Copper Stranded Connectors from China Suppliers - Precision Cut & Weld Solutions by Our Factory
Structural Composition
Conductor
High-purity electrolytic copper wire (T1/T2 red copper, ≥99.9% purity).
Structure
Precision-twisted multi-strand fine copper wires (0.05–0.3 mm), forming circular, rectangular, or custom cross-sections. Compact, flexible, and highly tensile.
Surface Treatment (Optional)
Bare, tin-plated, or silver-plated for enhanced oxidation resistance, corrosion resistance, and weldability.
Protection (Optional)
PVC/silicone insulation or metal shielding for insulation, EMI resistance, or high-temp performance.
Applications
Key Features
High Flexibility
Twisted structure enables tight bending and vibration resistance.
Excellent Conductivity
Low resistance for stable high-current/signaling.
Mechanical Strength
Withstands tension, compression, and fatigue.
Fatigue Resistance
Reliable under repeated motion.
Customizable
Adjustable cross-section, length, shape, and surface finish.
Protective Options
Insulation, shielding, and high-temp materials available.
Product Specifications
| Nominal CSA (mm²) |
Calculated Cross-sectional Area (mm²) |
Structure | Nominal Outer Diameter (mm) |
|
|---|---|---|---|---|
| Total Number of Wires | Number of Strands * Number of Wires * Number of Cores / Nominal Diameter of Individual Wire | |||
| 0.65 | 0.659 | 336 | 6*56/0.05 | 1.2 |
| 0.75 | 0.765 | 390 | 6*65/0.05 | 1.4 |
| 1.00 | 0.989 | 504 | 7*72/0.05 | 1.7 |
| 1.50 | 1.484 | 756 | 7*108/0.05 | 2.1 |
| 2.50 | 2.307 | 1176 | 7*3*56/0.05 | 2.3 |
| 3.00 | 2.967 | 1512 | 7*3*72/0.05 | 2.5 |
| 4.00 | 3.956 | 2016 | 12*3*56/0.05 | 2.8 |
| 5.00 | 4.946 | 2520 | 15*3*56/0.05 | 3.1 |
| 6.00 | 6.264 | 3192 | 19*3*56/0.05 | 3.5 |
| 8.00 | 8.054 | 4104 | 19*3*72/0.05 | 4 |
| 10.00 | 10.067 | 5130 | 19*3*90/0.05 | 4.6 |
| 1.50 | 1.480 | 203 | 7*29/0.1 | 1.8 |
| 2.00 | 1.979 | 252 | 7*36/0.1 | 2.2 |
| 2.50 | 2.530 | 322 | 7*46/0.1 | 2.4 |
| 3.00 | 2.970 | 378 | 7*54/0.1 | 2.7 |
| 4.00 | 3.960 | 504 | 7*72/0.1 | 2.8 |
| 5.00 | 4.940 | 630 | 7*90/0.1 | 3.2 |
| 6.00 | 5.930 | 756 | 12*63/0.1 | 3.7 |
| 8.00 | 7.910 | 1008 | 12*84/0.1 | 4.2 |
| 9.00 | 8.950 | 1140 | 12*95/0.1 | 4.4 |
| 10.00 | 8.890 | 1260 | 12*105/0.1 | 4.8 |
| 12.00 | 12.011 | 1530 | 15*102/0.1 | 5.4 |
| 16.00 | 16.014 | 2040 | 15*136/0.1 | 6.2 |
| 25.00 | 25.057 | 3192 | 7*3*152/0.1 | 8 |
| 2.50 | 2.596 | 147 | 7*21*0.15 | 2.2 |
| 4.00 | 4.080 | 231 | 7*33/0.15 | 3.2 |
| 6.00 | 6.182 | 350 | 7*50/0.15 | 3.7 |
| 10.00 | 10.02 | 567 | 7*3*27/0.15 | 4.5 |
| 16.00 | 16.691 | 945 | 7*3*45/0.15 | 6.5 |
| 25.00 | 24.728 | 1400 | 7*5*40/0.15 | 8.5 |
| 50.00 | 49.013 | 2775 | 15*5*37/0.15 | 12 |
Xingma Copper Industry Co., Ltd. Cross-sectional area and monofilament diameter are tailored to customer needs (0.05mm——0.15mm). Length is precision-cut as per your drawings or specifications.
Frequently Asked Questions (FAQ)
What material is used for the copper conductor?
The conductor is made of high-purity electrolytic copper wire (T1/T2 red copper) with a purity level of ≥99.9%, ensuring low electrical resistance and maximum conductivity.
What optional surface treatments and protective coatings are available?
Surface treatments include bare, tin-plated, or silver-plated finishes for improved oxidation/corrosion resistance and weldability. For outer protection, PVC/silicone insulation and metal shielding are available for EMI resistance and high-temperature performance.
What are the main advantages of the twisted multi-strand structure?
The precision-twisted design allows for tight bending, high vibration resistance, superior mechanical strength under tension/compression, and excellent fatigue resistance under continuous repeated motion.
What industries and applications are suitable for this product?
This product is widely utilized in power systems, rail traction, robotics and automation, welding and electrolysis equipment, marine engineering, new energy systems (photovoltaic/wind), and building/construction applications such as slip rings and lighting.
Can the wire dimensions and monofilament diameter be customized?
Yes, Xingma Copper Industry customizes cross-sectional areas, shapes (circular, rectangular, or custom), and monofilament diameters (ranging from 0.05mm to 0.15mm), with precision-cut lengths according to your technical drawings or project specifications.