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Help CenterT2 GB Copper Earth Rod High Conductivity Solid Copper Ground Rod for Power Station Lightning Protection Projects
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As a leading manufacturer from Wuxi Yansheng Technology Co., Ltd. (established in 2017, with a factory covering 1,000-3,000 sqm and an annual export value of US$50-100 million), we proudly present the T2 GB Copper Earth Rod — a solid copper grounding rod engineered specifically for power station lightning protection projects. This product combines high-purity T2 copper with strict adherence to Chinese national standards (GB/T), delivering exceptional conductivity and long-term corrosion resistance. Designed to ensure reliable earthing in high-voltage environments, it meets the demanding requirements of substations, transmission towers, and industrial power facilities.
Our T2 copper ground rods are manufactured using advanced extrusion and drawing processes, resulting in a dense, defect-free solid rod. The high conductivity (≥98% IACS) minimizes resistance and improves fault current dissipation. Each rod is tested for straightness, surface finish, and dimensional accuracy, ensuring consistent performance in every installation. With multiple diameter and length options available, our rods can be tailored to your project's specific grounding resistance requirements.
Key Features & Technical Specifications
- Material: 99.9% pure T2 copper (copper content ≥99.9%), ensuring maximum conductivity and resistance to soil corrosion.
- Standard: Conforms to GB/T 23802-2009, with optional compliance to IEC/BS standards upon request.
- Conductivity: ≥98% IACS (International Annealed Copper Standard), significantly reducing grounding resistance.
- Corrosion Resistance: Solid copper structure eliminates bi-metallic corrosion common in copper-clad rods; ideal for acidic, alkaline, or high-chloride soil.
- Mechanical Strength: Tensile strength ≥200 MPa, ensuring the rod can be driven deep without bending or cracking.
- Straightness: Maximum curvature ≤0.1% of length, ensuring easy coupling and driving.
- Surface Finish: Bright, clean, and free of burrs or pits, available with or without threaded ends (coupling options).
- Packaging: Bundled with protective sleeves or wooden crates to prevent damage during transit.
| Parameter | Standard Range | Remarks |
|---|---|---|
| Diameter (mm) | 14, 16, 18, 20 (others available) | Custom diameters on request |
| Length (m) | 1.5, 2.0, 2.5, 3.0 (custom up to 6m) | Can be supplied with threaded ends for coupling |
| Copper Purity (%) | ≥99.9 | Third-party test reports available |
| Conductivity (%IACS) | ≥98 | Measured at 20°C |
| Tensile Strength (MPa) | ≥200 | Suitable for hand or machine driving |
| Weight per meter (kg, for 20mm diameter) | ~2.8 | Varies with diameter |
Application Advantages for Power Station Lightning Protection
Solid copper ground rods offer superior performance in high-fault-current environments. Unlike copper-clad steel rods, our T2 rods have homogeneous copper throughout – no risk of cladding separation or galvanic corrosion. This makes them ideal for permanent earthing in power stations, where long-term reliability is critical. The high conductivity reduces step and touch potentials, enhancing safety for personnel and equipment.
For lightning protection systems, our rods can be easily coupled to achieve deeper grounding in high-resistivity soil. The threaded connection options (available in M12, M16, or custom threads) allow for fast assembly on site. We also provide compatible driving studs and clamps for complete earthing solutions.
Why Choose Wuxi Yansheng Technology?
With a dedicated team of 101-200 employees and a factory size of 1,000-3,000 square meters, we have been manufacturing grounding products since 2017. Our annual export value of US$50-100 million reflects the trust of global clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. We operate under a comprehensive quality management system certified to ISO9001 and other international standards (ISO14000, OHSAS18001, etc.), ensuring consistent product quality and environmental compliance. All rods are tested in-house and by third-party laboratories before shipment.
We offer flexible shipping from Tianjin, Shanghai, Qingdao, and Ningbo ports, with lead times of 15-30 days depending on order volume. Whether you need standard sizes or customized lengths/diameters, our engineering team is ready to support your project from concept to delivery. Contact us today for a quotation or technical datasheet.
Frequently Asked Questions
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Q: What is the difference between T2 copper and C11000?
A: T2 copper is the Chinese standard designation equivalent to C11000 (ASTM). Both have ≥99.9% copper content and similar electrical properties. -
Q: Can these rods be used in high-corrosion soil?
A: Yes. Solid copper is inherently resistant to most soil corrosives. For extremely aggressive environments (e.g., high sulfur or chlorine), we can apply a tinning or additional coating on request. -
Q: Do you provide third-party testing certificates?
A: Absolutely. We provide mill test reports and can arrange SGS, BV, or other third-party inspection at an additional cost. -
Q: What is the maximum length you can produce?
A: Standard maximum length is 6 meters. Longer lengths can be achieved by coupling multiple rods using threaded connectors. -
Q: How do you package the rods for export?
A: Rods are bundled with plastic caps and wrapped in waterproof paper, then packed in wooden crates or steel frames for sea freight. -
Q: Do you offer sample orders?
A: Yes, sample orders are welcome. We can supply 1-2 pieces with freight collect for testing and evaluation. -
Q: What is your minimum order quantity (MOQ)?
A: MOQ varies by size. Typically 500 pieces for standard diameters, but smaller quantities can be negotiated for first orders. -
Q: Can you provide rods with pre-drilled holes for cable connections?
A: Yes, we can drill and tap holes per your drawing. Please specify hole diameter and location when ordering.
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