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Boikanyo Sheets and Plates, located in Cape Town, South Africa, stands out as a top manufacturer and supplier of premium Copper Nickel products, including the highly regarded Copper Nickel 70/30 Channels. Known for their remarkable corrosion resistance and robust mechanical properties, these channels are meticulously engineered to meet the rigorous demands of various industries. Offered in a range of sizes and thicknesses, Boikanyo’s Copper Nickel 70/30 Channels are perfect for marine, offshore, and chemical applications where durability and resistance to seawater corrosion are essential. Their exceptional strength and longevity make them a dependable choice for structural and fluid handling tasks in challenging environments.
| Specifications | : | ASTM B151 / ASME SB151 |
| Dimensions | : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Cu-Ni 70/30 Angle | : | 5mm to 9mm |
| Cu-Ni 70/30 Channel | : | 40mm*20mm~300mm*300mm |
| Cu-Ni 70/30 Beam | : | 3″ thru 12.31″ |
| Cu-Ni 70/30 Chain | : | 1/8 inch – 1/2 inch Diameter |
| Thickness | : | 3.0mm – 120mm |
| Length | : | 3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Sizes |
| Type | : | Angle, C Channel, U Channel, H Beam, I Beam, T Beam, W Beam, Chain |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cu-Ni 70/30 | 65 min | 1.0 max | 0.05 max | 29-33 max | 0.4-1.0 max | 1 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Cupro Nickel 70/30 | 2.0882 | C71500 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Copper Nickel 70/30 Channel offer several advantages. They are insoluble, especially in ambient seawater, making them ideal for marine applications. The alloy also provides excellent resistance to biofouling, providing durability under extreme conditions. Its strength and compression durability make it suitable for high-pressure environments. In addition, CuNi 70/30 has excellent thermal conductivity and is easy to weld, providing versatility in manufacturing. Its low maintenance requirements and high resistance to scaling and pitting further enhance its industrial appeal.
These channels find extensive use in marine engineering for seawater piping, shipbuilding frameworks, and heat exchanger supports, thanks to their exceptional resistance to corrosion in saltwater. They are also utilized in offshore oil and gas platforms, desalination facilities, and chemical processing equipment where corrosive environments are prevalent. Furthermore, these channels are employed in power plants and cooling systems, ensuring durability and performance in demanding applications.
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