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In Chennai, India, Kunj Sheets and Plates is a top producer and supplier of Copper Nickel 70/30 Angles, offering precisely engineered products to meet a range of industrial needs. Our Copper Nickel 70/30 Angles are renowned for their strong mechanical strength, high thermal stability, and exceptional resistance to seawater corrosion. We are also known for our high standards of quality. Our products are made with high-quality raw materials and cutting-edge technology to guarantee their performance and longevity in the most demanding settings. Serving sectors including chemical processing, power generation, and marine engineering both domestically and internationally, Kunj Sheets and Plates is dedicated to quality, prompt delivery, and client satisfaction.
70% copper and 30% nickel make up Copper Nickel 70/30 Angle, with trace amounts of iron and manganese added for added strength and resistance to corrosion. In marine environments, this alloy offers exceptional resistance to stress corrosion cracking and biofouling. It has an approximate elongation of 30%, a yield strength of 130–200 MPa, and a tensile strength of 320–500 MPa. It has outstanding formability and weldability and retains good mechanical stability at high temperatures. It is appropriate for demanding applications in high-pressure and seawater settings because of these qualities.
| 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 Angle has several advantages. Its exceptional corrosion resistance, especially in seawater, makes it ideal for the marine environment. The alloy’s high resistance to biofouling and scaling ensures long-term performance in marine heat exchanger applications. CuNi 70/30 offers excellent strength, excellent ductility, and is easy to manufacture, including welding and fabrication. It has a lot of thermal expansion, which makes it stable in temperature fluctuations. The alloy is also resistant to pitting, crevice corrosion and stress corrosion cracking, providing reliability in harsh industrial marine environments
Because of their exceptional resistance to saltwater corrosion, copper nickel 70/30 angles are widely used in marine applications, such as seawater piping, condenser plates, heat exchangers, and shipbuilding components. They are also used in power generation systems, desalination facilities, and offshore oil and gas platforms. These angles are also appropriate for chemical processing facilities, particularly those where a high level of corrosion resistance is crucial. They are perfect for high-pressure and high-temperature applications due to their exceptional mechanical strength and thermal conductivity. They also serve as supports in demanding industrial settings and in structural applications due to their good fabrication qualities.
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