Home > Copper Nickel > Copper Nickel 70/30 Flanges
Xuan Nickel Alloys is a well-respected manufacturer and supplier of Copper Nickel 70/30 Flanges based in Da Nang, Vietnam. They specialize in crafting high-quality alloy flanges designed for marine, offshore, and industrial uses. Thanks to their state-of-the-art production facilities and rigorous quality control, the company provides Copper Nickel 70/30 Flanges that excel in resisting seawater corrosion, erosion, and biofouling. Renowned for their precision engineering and durability, these flanges guarantee reliable performance and a long lifespan. Industries around the globe trust Xuan Nickel Alloys for delivering top-notch Copper Nickel 70/30 Flanges that can handle the most challenging operational and environmental conditions.
Copper Nickel 70/30 Flanges are made up of 70% copper and 30% nickel, with carefully controlled amounts of iron and manganese to boost their strength and corrosion resistance. They offer remarkable protection against seawater, brackish water, and stress corrosion cracking. This alloy boasts a tensile strength between 275–400 MPa, good ductility, and a Brinell hardness of around 80–100 HB. With excellent weldability, toughness, and resistance to erosion, Copper Nickel 70/30 Flanges maintain consistent mechanical performance even under high temperatures and pressures, making them ideal for demanding marine and industrial environments.
| Size | : | ½” to 12″ |
| Specification | : | ASTM / ASME SB 61 / 62 / 151 / 152. |
| Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Class | : | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS DIN. |
| Dimensions | : | ANSI/ASME B16.5, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Grades | : | UNS C71500 (CU -NI- 70/30) |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Copper Nickel 70/30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 0.323 lb/in3 at 68 F | 0.323 lb/in3 at 68 F | 50000 psi | 20000 psi | 30 % |
At Xuan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Copper Nickel 70/30 Flanges in Da Nang, Vietnam, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Vietnam, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
These flanges are widely utilized in sectors that prioritize durability and exceptional corrosion resistance. They’re commonly found in shipbuilding, offshore oil platforms, desalination plants, and seawater cooling systems, thanks to their ability to resist biofouling and erosion. Additionally, Copper Nickel 70/30 Flanges are used in heat exchangers, condensers, and piping systems for both marine and industrial applications. They’re also essential in chemical processing, power generation, and oil & gas refineries. Valued for their ability to ensure secure connections, long service life, and reliable performance, Copper Nickel 70/30 Flanges thrive even in the harshest operational conditions.
