Maximum Copper Cross-Section for High Current
Our solid copper rods have no hollow spaces inside. The entire cross-section consists of solid copper. This simple fact has a direct impact on performance. For the same outer diameter, a solid rod carries more current than a hollow one. The larger copper area means lower electrical resistance. Lower resistance means less heat generation. This is critical in high-current applications. Our customers choose solid rods when they need maximum current-carrying capacity. The solid construction also provides better mechanical strength. The rod resists bending and deformation under load. This is important in applications with vibration or mechanical stress. Our team pays special attention to end face flatness during cutting. A flat end face ensures good contact with mating parts. Poor contact leads to local heating and potential failure.
End Face Quality and Cutting Precision
The cutting process determines end face quality. We use precision cutting equipment for clean, flat ends. Our workers check each end face visually. They also check the cut length. Accurate length is important for assembly. Even small length variations can cause problems. Our cutting equipment holds tight tolerances. We also check for burrs on the cut ends. Burrs can damage mating surfaces during assembly. Our process includes a deburring step. This ensures smooth, safe edges. The end result is a rod that installs easily and performs reliably. Our customers appreciate this attention to detail. It saves them time during assembly.
Size Coverage and Material Data
We stock solid copper rods in Φ6, Φ8, Φ10, Φ18, Φ20, and Φ22. These numbers represent the diameter in millimeters. The material is T2 copper. Production follows GB/T5585.1-2026. Copper purity reaches Cu≥99.90%. Total impurities stay below 0.10%. Conductivity is ≥97.3% IACS. Resistivity at 20°C stays ≤0.0177 Ω·mm²/m. Density is 8.9 g/cm³. Tensile strength ranges from 220 to 260 MPa. Yield strength exceeds 170 MPa. Hardness is 65 to 90 HV. Elongation is 17% or higher.
Where Solid Rods Are Essential
Solid copper rods are specified for heavy-duty electrical connections. Power distribution equipment uses them for busbar connections. Switchgear relies on them for conductive paths. High-current terminal posts and connection bars also use solid rods. The solid construction ensures reliable current flow. There are no internal voids to cause hot spots. The material conducts heat efficiently. This reduces thermal stress on components. Our customers include heavy equipment manufacturers. We also serve power generation and distribution companies. The renewable energy sector also uses solid rods. Solar and wind power systems require high-current connections. Solid rods meet these demands effectively. The product has proven itself in demanding applications.
Order and Production Information
We use CNC programs to control diameter accurately. Every batch has stable dimensions. Standard sizes ship within one week. Custom sizes take one to two weeks. The minimum order is 1000 kilograms. Mixed specifications are allowed in one order. We welcome third-party inspection at our factory. Our raw material inventory stays well-stocked. We accept USD, EUR, and CNY.
Technical Parameters
|
Parameter |
Value |
|
Material Grade |
T2 Copper (C11000) |
|
Copper Purity |
Cu≥99.90% |
|
Standard |
GB/T5585.1-2026 |
|
Electrical Conductivity |
≥97.3% IACS |
|
Resistivity (20°C) |
≤0.0177 Ω·mm²/m |
|
Density |
8.9 g/cm³ |
|
Tensile Strength |
220–260 MPa |
|
Yield Strength |
≥170 MPa |
|
Hardness |
65–90 HV |
|
Elongation |
≥17% |
|
Stock Sizes |
Φ6, Φ8, Φ10, Φ18, Φ20, Φ22 |
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