C12200 Copper Plate For Earthing
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of c12200 copper plate for earthing in China, also supports customized service. Welcome to buy discount c12200 copper plate for earthing for sale here from our factory. Quality products and reasonable price are available.
What Is C12200 Copper Plate?
C12200 grounded copper plate, also known as OFHC copper (Oxygen Free High Conductivity Copper), is a high-quality, high-purity copper material obtained by oxygen-free electrolysis with an oxygen content of less than 0.001%, with extremely high electrical conductivity, thermal conductivity, plasticity and weldability, and many other excellent characteristics.
High level of C12200 grounded copper sheet production technology
| Standard | GB/T5231-2001.GB/T1527-2006.JISH3100-2006,JISH3250-2006,
JISH3300-2006,ASTMB152M-06,ASTMB187,ASTMB75M-02,ASTMB42-02,etc |
| Thickness | 0.1mm~500mm or as required |
| Width | 3mm~2800mm or as required |
| Length | 0.5m~15m or as required |
| Hardness | 1/16 hard, 1/8 hard, 3/8 hard, 1/4 hard, 1/2hard, full hard, soft, etc |
| Surface | Mill,Polished,Bright,Mirror,Hair Line,Brush,Checkered,Antique,Sand Blast,etc |
| MOQ | 100 KGS |
| Delivery time | within 7-15 working days |
| Packing | Standard export seaworthy package,suit for all kinds of transport,or as required. |
| Price term | Ex-Work,FOB,CNF,CFR,CIF,etc |
Key Properties of C12200 Earthing Plates
| Property | Value |
|---|---|
| Purity | 99.90% min |
| Phosphorus Content | 0.015 – 0.040% |
| Electrical Conductivity | ~85–90% IACS |
| Resistivity | ~1.91 µΩ·cm (at 20°C) |
| Thermal Conductivity | ~340 W/m·K |
| Density | 8.94 g/cm³ |
| Melting Point | 1083°C |
| Tensile Strength | 220–280 MPa (depending on temper) |
| Corrosion Rate | < 0.025 mm/year in soil |
What Sizes and Thicknesses Are Available for Earthing Plates?
| Thickness | Width | Length | Common Applications |
|---|---|---|---|
| 3 mm | 300 mm | 300 mm | Small substations, telecom towers |
| 6 mm | 600 mm | 600 mm | Industrial facilities, power plants |
| 10 mm | 600 mm | 600 mm | High-voltage substations |
| 12 mm | 600 mm | 600 mm | Heavy industrial, transmission towers |
| Custom | Custom | Custom | Made to your specifications |
The main features of C12200 oxygen-free copper sheet include:
High electrical conductivity: C12200 oxygen-free copper has very high electrical conductivity, low resistivity, can be used for grounding conductivity.
High thermal conductivity: the material has very high thermal conductivity and excellent heat dissipation performance, which can be used to manufacture heat sinks, motors, transformers and other equipment.
Good plasticity: C12200 oxygen-free copper plate is easy to process and molding, suitable for a variety of cold working, hot working and deep stamping molding process.
High strength: the material has high strength, strong tensile ability and good ductility.
C12200 Compare to Other Copper Grades for Earthing
| Grade | Type | Conductivity | Corrosion Resistance | Weldability | Best For |
|---|---|---|---|---|---|
| C12200 (DHP) | Phosphorus-Deoxidized | High | Excellent | Excellent | Earthing plates, grounding systems |
| C11000 (ETP) | Electrolytic Tough Pitch | Very High | Good | Poor (hydrogen risk) | Busbars, general electrical |
| C10100 (OFE) | Oxygen-Free Electronic | Highest | Excellent | Excellent | Ultra-critical applications |
| C12000 (DHP) | Phosphorus-Deoxidized | High | Excellent | Excellent | Similar to C12200 |
Packaging and transportation of C12200 pure copper sheets
Surface protected with anti-tarnish coating or paper
Stacked with interleaving material to prevent scratching
Edge protectors for handling safety
Waterproof wrapping for moisture protection
Reinforced wooden crates or pallets for export
Large-scale factory production of C12200 rectangular copper sheet
Our production capacity:
We have state-of-the-art manufacturing facilities equipped with cutting-edge technology and experienced professionals. This enables us to provide strong production capabilities to meet your piping supply needs.
Below is an overview of our production capabilities:
Annual production: We have the capacity to produce 8,000 tons of copper per year.
Sizes: Our production lines are capable of producing copper products in a variety of sizes.
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