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Nestled in the industrial heart of Manila, Diaz Sheetsandplates has built a trusted reputation as a dedicated supplier of high-grade materials. We are proud to offer the Copper Nickel 7030 Channel, a premium solution engineered for the most demanding marine and industrial environments. For projects where failure is not an option, our team ensures you receive not just a product, but a durable, reliable component that stands up to the test of time and the elements.
The alloy is composed of 70% copper and 30% nickel, which gives it its foundational name and exceptional corrosion resistance. This composition is further enhanced with carefully balanced additions of iron and manganese, boosting its overall strength and durability. The material delivers excellent mechanical properties, including high tensile strength and impressive fatigue resistance, allowing it to perform reliably under constant stress and in challenging conditions over the long term.
| 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.
You’ll often find this robust channel hard at work in offshore platforms, desalination plants, and shipbuilding, where its resilience to saltwater is paramount. It’s the ideal choice for structural supports, frames, and fixtures in these aggressive settings. Beyond the water’s edge, it also serves critical roles in power generation facilities and chemical processing plants, providing a dependable backbone for equipment and structures that must withstand corrosive fumes and high-stress operations.
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