The copper welded steel grounding rod is made using nano alkaline pre plating technology. A new nanoscale particle deposition model between copper and steel has been constructed. Metal deposition forms a nanoscale alkaline copper particle crystal coating structure. The coating has good compactness and high activation surface, greatly enhancing the affinity between coatings and achieving the best combination of product bonding strength. The finished product has excellent mechanical strength, ductility, and corrosion resistance. It has the characteristics of copper layer thickness (0.25mm or more), good adhesion, and no peeling (wire rolling). It has the advantages of high tensile strength (up to 600 Newton per square millimeter), high corrosion resistance (guaranteed service life exceeding 50 years), constant low resistance, and good plasticity, and has the same performance as copper. Both have the characteristics of steel.
The copper bonded ground rods are highly protective, whether they are naturally corroded or electrochemically reacted. The grounding rod and grounding wire are soldered by the exothermic welding technology, so that the grounding device is completely under the protection of copper and becomes a true maintenance-free grounding device.
The ground rod is equipped with coaxial connectors, drive heads and drill bits. According to different geological and use requirements, the length of the cast copper ground rod can be arbitrarily increased by connecting with brass coaxial connectors (connection bolts). The end of the item is connected by a drive head (connection bolt) for use when the rod is deep. The ends are connected by special drill bits (connecting bolts) to make the rod deeper.