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Boikanyo Sheets and Plates, located in Cape Town, South Africa, stands out as a premier manufacturer and supplier of top-notch Copper Nickel products, particularly Copper Nickel 70/30 Sheets and Plates. Known for their remarkable corrosion resistance and mechanical strength, these sheets and plates are meticulously crafted to adhere to strict industrial standards. Offered in a variety of thicknesses and sizes, Boikanyo’s Copper Nickel 70/30 Sheets and Plates deliver outstanding durability and formability. Their exceptional resistance to seawater, chemical exposure, and biofouling makes them perfect for marine, offshore, and industrial applications that demand long-lasting reliability and structural integrity in challenging environments.
Copper Nickel 70/30 Sheets and Plates consist of roughly 70% copper and 30% nickel, with small amounts of iron and manganese added to boost corrosion resistance and strength. This alloy boasts tensile strengths between 340 and 500 MPa and offers good elongation, ensuring both toughness and flexibility. It shows remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich and seawater conditions. Plus, Copper Nickel 70/30 maintains excellent thermal and electrical conductivity, weldability, and formability, making it adaptable for a wide array of fabrication processes.
| Specifications | : | ASTM / ASME SB 122 |
| Size | : | 1000 mm x 2000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm |
| Thickness | : | 0.1mm to 12 mm Thk |
| Form | : | Plain Sheet, Shim Sheet |
| Finish | : | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness | : | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cupro Nickel 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 Sheets and Plates offer excellent corrosion resistance, particularly in marine and industrial environments, making them ideal for seawater applications. Their high strength and excellent resistance to biofouling ensure longevity and reliability in harsh conditions. These materials also exhibit good thermal conductivity, making them suitable for heat exchange applications. The 70/30 alloy provides outstanding weldability, formability, and machinability, allowing easy customization and fabrication. Copper Nickel 70/30 Sheets and Plates also offer resistance to pitting, crevice corrosion, and stress corrosion cracking, enhancing durability and performance in diverse industries.
Copper Nickel 70/30 Sheets and Plates find extensive use in marine engineering for seawater piping systems, shipbuilding, heat exchangers, and condenser plates, thanks to their superior corrosion resistance. They are also utilized in offshore oil and gas platforms, desalination plants, and chemical processing equipment that face harsh environments. Additionally, these sheets and plates play a vital role in power generation and cooling systems, showcasing their versatility and reliability in demanding applications.
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