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Based in Hamilton, New Zealand, Will Sheetsandplates has built a reputation as a trusted local source for high-performance industrial materials. We are proud to supply the robust and highly specialised Copper Nickel 7030 Channel, a product engineered for demanding environments. Our team understands the critical nature of your projects, which is why we ensure reliable access to this exceptional alloy, backed by knowledgeable support to help you select the right material for strength, longevity, and superior corrosion resistance in even the toughest conditions.
The exceptional quality of Copper Nickel 7030 Channel comes from its precise composition, primarily a blend of around 70% copper and 30% nickel, with carefully controlled additions of iron and manganese. This specific formula gives the channel its remarkable mechanical properties, offering an excellent balance of high tensile strength and good ductility. It is also known for its outstanding resistance to stress corrosion cracking, making it a reliably tough and formable material that stands up to significant physical demands 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.
The unique properties of this channel make it a preferred choice for challenging marine and industrial settings. You will often find it specified for critical offshore structures, shipbuilding, and in the construction of condensers and heat exchangers within power generation and desalination plants. Its excellent resistance to saltwater corrosion and biofouling makes it ideal for piping systems, pump frames, and other support structures that are constantly exposed to harsh seawater, ensuring long-lasting performance and reduced maintenance costs where failure is not an option.
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