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Kunj Sheets and Plates has built a solid reputation as a reliable manufacturer and supplier of Copper Nickel 70/30 Channels in Chennai, India. This alloy, made up of 70% copper and 30% nickel, is renowned for its outstanding resistance to corrosion, erosion, and biofouling, making it perfect for both marine and industrial settings. Our Copper Nickel 70/30 channels boast impressive mechanical strength, thermal stability, and excellent workability. Crafted to meet international standards, these channels are perfect for structural and piping support in challenging environments. At Kunj, we pride ourselves on precision engineering, timely delivery, and tailored sizing to cater to the unique needs of industries around the globe.
Copper Nickel 70/30 Channel consists of approximately 70% copper and 30% nickel, with small amounts of iron and manganese added to boost strength and corrosion resistance. It features a tensile strength of about 340–400 MPa, a yield strength of around 150 MPa, and exceptional elongation and impact resistance. This alloy performs reliably in high-temperature and high-pressure systems, particularly in seawater conditions. It effectively resists biofouling, stress corrosion cracking, and hydrogen embrittlement, making it an excellent choice for offshore and marine applications. Plus, it retains its mechanical properties even after extended use.
| 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.
Copper Nickel 70/30 Channels find extensive applications in marine engineering, including shipbuilding, offshore platforms, seawater piping systems, and heat exchangers. In the power generation and desalination sectors, they are utilized in condenser tubing supports, cooling systems, and evaporators. Their remarkable corrosion resistance also makes them ideal for chemical processing, oil refineries, and instrumentation systems. Additionally, these channels are employed in architectural and structural applications, providing robust support where it’s needed most.
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