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Boikanyo Sheets and Plates, based in Cape Town, South Africa, stands out as a trusted manufacturer and supplier of top-notch Copper Nickel products, including the highly regarded Copper Nickel 70/30 Circles. Renowned for their remarkable corrosion resistance and durability, these circles are meticulously crafted to adhere to strict industry standards. Offered in various diameters and thicknesses, Boikanyo’s Copper Nickel 70/30 Circles deliver impressive strength and formability. Their exceptional resistance to seawater, biofouling, and chemical attacks makes them perfect for marine, offshore, and industrial applications where long-lasting reliability and performance are essential.
| Standard | ASTM B122, ASME SB122 |
| Dimensions | ASTM, ASME and API |
| Standard | JIS, AISI, ASTM, GB, DIN, EN, etc. |
| Thickness | 1 Mm To 100 mm. |
| Diameter | Upto 2000 Mm. |
| Circle Diameter | 3″ DIA up to 38″ DIA 1500 lbs max. |
| Circles Form | Cold Rolled, Small Flat, Industrial, Proof Machined, Perforated, Forged Steel, Hot Rolled Circle. |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cu-Ni 70-30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Copper Nickel 70-30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Copper 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 circle provide exceptional corrosion resistance, especially in marine and saltwater environments, due to their high nickel content. They combine excellent mechanical strength with ductility, making them suitable for demanding applications such as shipbuilding, heat exchangers, offshore platforms etc. Their resistance to biofouling minimizes and extends maintenance requirements service lifetime. Being excellent heaters, they ensure smooth thermal conductivity in industrial systems. Furthermore, these cylinders are easily manufactured and welded, making them versatile for various applications such as desalination, power generation and chemical processing, resulting in long-term reliability and reduced costs.
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Boikanyo Sheets and Plates, located in Cape Town, South Africa, is a reputable manufacturer and supplier of high-quality Copper Nickel products, including Copper Nickel 70/30 Circles. Known for their exceptional corrosion resistance and durability, these circles are precision-crafted to meet rigorous industry standards. Available in a range of diameters and thicknesses, Boikanyo’s Copper Nickel 70/30 Circles offer excellent strength and formability. Their superior resistance to seawater, biofouling, and chemical attack makes them ideal for marine, offshore, and industrial applications where long-term reliability and performance are critical.
Copper Nickel 70/30 Circles are composed of approximately 70% copper and 30% nickel, with small additions of iron and manganese to enhance corrosion resistance and mechanical strength. This alloy provides tensile strengths ranging from 340 to 500 MPa, along with good ductility and toughness. It exhibits outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride-rich and seawater environments. Copper Nickel 70/30 also maintains excellent thermal and electrical conductivity, and is easily weldable and formable, suitable for diverse manufacturing processes.
Copper Nickel 70/30 Circles are widely used in marine engineering for shipbuilding, seawater piping, heat exchangers, and condenser tubes due to their exceptional corrosion resistance in saltwater. They are also utilized in offshore oil and gas platforms, desalination plants, and chemical processing equipment where harsh conditions prevail. Additionally, these circles are used in power generation, cooling systems, and industrial machinery that require corrosion-resistant, durable metal components. Boikanyo’s Copper Nickel 70/30 Circles provide a reliable and long-lasting solution for critical applications in demanding environments.
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