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Vipul Sheets and Plates is a reputable manufacturer and supplier located in Delhi, India, specializing in durable and corrosion-resistant Copper Nickel 70/30 Angles. These angles are designed for use in demanding marine, chemical, and industrial settings. Made up of 70% copper and 30% nickel (UNS C71500), this alloy is known for its exceptional resistance to seawater corrosion, biofouling, and high-velocity brine or steam. Vipul offers these angles in various sizes and custom specifications, catering to applications in shipbuilding, offshore platforms, heat exchangers, and water treatment systems, all while ensuring consistent quality, precise dimensions, and timely delivery.
The Copper Nickel 70/30 Angles are primarily composed of 70% Copper and 30% Nickel, with small amounts of Iron and Manganese added to enhance strength and corrosion resistance. This alloy boasts greater mechanical strength compared to the 90/10 Cu-Ni variant, typically achieving a tensile strength of 310–380 MPa. It also shows remarkable resistance to pitting, crevice corrosion, and erosion, especially in fast-moving seawater. The material is non-magnetic, can be welded, and maintains its mechanical integrity even under thermal cycling and pressure changes.
| 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
These Copper Nickel 70/30 Angles find extensive use in harsh marine and industrial environments. In shipbuilding, they are utilized for hulls, deck structures, and supports for seawater piping. Offshore oil and gas platforms incorporate them in risers, splash zone structures, and firewater systems. In power and desalination plants, they are essential for supporting heat exchangers, condensers, and water intake systems. Additionally, these angles are used in chemical processing for structural framing that is exposed to corrosive solutions. With their outstanding durability, corrosion resistance, and strength, Copper Nickel 70/30 Angles are a reliable choice for long-term performance in challenging conditions.
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Delhi, India
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