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Situated in the heart of Hamilton’s industrial landscape, Will Sheetsandplates takes pride in being a trusted local source for high-performance materials. We specialise in supplying robust and corrosion-resistant metals, including the exceptionally durable Copper Nickel 70/30 Angle. This specific alloy is a cornerstone for projects demanding resilience against harsh environments, particularly saltwater. Our team is dedicated to providing not just the product, but the expert guidance needed to ensure your fabrication or construction project is built on a foundation of quality and longevity.
This 70/30 Copper Nickel alloy is defined by its impressive composition, primarily a blend of approximately 70% copper and 30% nickel, with small but crucial additions of iron and manganese. These elements work in concert to give the material its signature strength and outstanding resistance to corrosion, especially in seawater where it performs exceptionally well. Mechanically, this translates into an angle that is strong, ductile, and easy to fabricate, offering excellent thermal conductivity and remaining non-magnetic, which is vital for many specialised marine and industrial applications.
| 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
The unique properties of Copper Nickel 70/30 Angle make it an indispensable choice for challenging environments. Its most prominent use is throughout the marine industry, forming essential parts of ship hulls, offshore platforms, and piping systems that constantly battle seawater corrosion. Beyond the sea, you’ll find it in power generation plants, particularly in condenser tubes and heat exchangers, and in desalination facilities where reliability is paramount. Its strength and durability also make it a reliable option for architectural features and custom fabrication projects that require both longevity and a distinctive aesthetic appeal.
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