Home > Copper Nickel > Copper Nickel 70/30 Tubing
Marsh Nickel Alloys, based in Canberra, Australia, has built a strong reputation for supplying high-performance materials to demanding industries worldwide. As a trusted manufacturer and supplier, we understand the critical need for reliability in every project. That’s why our partnership with the Copper Nickel 7030 Tubing Manufacturer in Canberra, Australia, is so vital. We ensure that this specialized facility receives only the finest raw materials, enabling them to produce tubing that consistently meets the rigorous standards required for challenging marine and industrial applications across the Middle East.
The composition of Copper Nickel 7030, with its 70% copper and 30% nickel blend, is what gives this tubing its exceptional character. The addition of small amounts of iron and manganese creates a material renowned for its superb resistance to corrosion, especially in saltwater environments. This alloy isn’t just about chemical resilience; it also boasts impressive mechanical properties. It offers excellent ductility and formability, making fabrication straightforward, while maintaining good overall strength and thermal conductivity, which is crucial for heat exchanger applications.
| Copper Nickel 70/30 Standard | : | ASTM / ASME SB 111 / 466 |
| 70/30 Copper Nickel Size | : | 1/2″ TO 6′ IN OD & NB IN Various SWG & SCH |
| Copper Nickel 70/30 Outer Diameter | : | 4.00 to 22.00 mm |
| 70/30 Copper Nickel Wall Thickness | : | Between 0.15 mm and 1.50 mm |
| Copper Nickel 70/30 Type | : | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Copper Nickel 70/30 Grade | : | UNS C 71500 (CU -NI- 70/30), UNS NO. C 10100, 10200, 10300, 10800, 12000, 12200 |
| 70/30 Copper Nickel Form | : | Round, Rectangular, Square, Hydraulic. |
| Copper Nickel 70/30 Length | : | Single Random, Double Ranidom & Cut Length |
| 70/30 Copper Nickel End | : | Plain End, Bevelled End, Treaded |
| Cu-Ni 70/30 | Cu | Pb | Mn | Fe | Zn | Ni |
| 65.0 min | 0.05 max | 1.0 max | 0.4-1.0 | 1 max | 29 – 33 |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 0.323 lb/in3 at 68 F | 2260 F | 20000 psi | 50000 psi | 30 % |
The uses for this robust tubing are extensive, particularly in a maritime hub like Dubai. You’ll find it forming the vital arteries of shipbuilding, used for condenser and heat exchanger systems, as well as for critical seawater pipework. Its reliability also makes it a top choice for offshore oil and gas platforms, desalination plants, and power generation facilities throughout the Australia. Essentially, wherever equipment faces the relentless challenge of corrosive seawater, Copper Nickel 7030 tubing provides the durable, long-lasting performance that engineers and project managers depend on.
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Copper nickel 70/30 tubing is widely used in the marine and offshore industries due to its excellent resistance to seawater corrosion and bio-odor. Ideal for seawater cooling systems, heat exchanger systems and cold pipes, where consistent operation in harsh environments is required. This device is used in shipbuilding for piping systems and desalination plants for reliable water supply systems. It also finds advantages in power generation and chemical processing, where its durability and resistance to stress breakdown ensure long-term performance and high efficiency.
