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Solitaire Overseas is a leading producer, distributor, and exporter of Copper Nickel 90/10 Fittings (also referred to as Cupro Nickel 90/10 Tube Fittings or CuNi 90/10 Fittings) that has been produced according to ASTM B466 / ASME SB466, UNS C70600. It is an alloy of 90 percent copper, 10 percent nickel with minor amounts of iron and manganese with high levels of corrosion resistance in the seawater and brackish water environments.
Our Copper Nickel 90/10 Pipe Fittings are popularly used together with Copper Nickel 90/10 Flanges, Copper Nickel 70/30 Fittings and Copper Nickel 90/10 Pipes. Ask a fair price nowadays.
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Copper Nickel 90/10 Flanges
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| Parameter | Details |
|---|---|
| Grade | Copper Nickel 90/10 | UNS C70600 | CDA 706 | DIN 2.0872 |
| Standard | ASTM B466 / ASME SB466 (Seamless); ASTM B467 / ASME SB467 (Welded) |
| Dimensions | ASME/ANSI B16.9, B16.28, MSS-SP-43, BS 4504, BS 10 |
| Size | 1/2" NB to 48" NB (Seamless up to 10"; Welded up to 48") |
| Thickness | Sch 5, 10, 40, 80, STD, XS, XXS |
| Form | Elbow, Tee, Reducer (Concentric & Eccentric), Cap, Stub End, Cross, Bend |
| Type | Seamless / Welded / Fabricated |
| Bending Radius | R = 1D, 2D, 3D, 5D, 6D, 8D, 10D or custom |
| End Type | Butt Weld, Socket Weld, Threaded (NPT/BSPT/BSPP) |
| Type | Description |
|---|---|
| Cupro Nickel 90/10 90° Elbow | Long & short radius; for directional changes in piping |
| CuNi 90/10 Equal Tee | Connects three pipe sections; equal and reducing available |
| Copper Nickel 90/10 Concentric Reducer | Smooth flow transition; centre-aligned |
| CuNi 90/10 Eccentric Reducer | Maintains bottom of pipe level; horizontal runs |
| Cupro Nickel 90/10 End Cap | Seals pipe end to block flow |
| CuNi 90/10 Stub End | Used with lap joint flanges for easy maintenance |
| Copper Nickel 90/10 Cross | Four-way pipe connection fitting |
| Cupro Nickel 90/10 Pipe Bend | Custom radius bends (3D, 5D, 10D) |
| Element | Cu | Ni + Co | Fe | Mn | Zn max | Pb max | S max |
|---|---|---|---|---|---|---|---|
| C70600 | Balance | 9.0–11.0% | 1.0–1.8% | 1.0% max | 1.0% | 0.02% | 0.02% |
| Property | Value |
|---|---|
| Tensile Strength | 275 MPa (40 ksi) min |
| Yield Strength (0.2%) | 105 MPa (15 ksi) min |
| Elongation | 30% min |
| Density | 8.9 g/cm³ |
| Melting Point | 1100–1145°C |
| Thermal Conductivity | 40 W/m·K |
| Grade | UNS | CDA | DIN / Werkstoff | BS | EN |
|---|---|---|---|---|---|
| Copper Nickel 90/10 | C70600 | 706 | 2.0872 | CN 102 | CuNi10Fe1Mn |
| Product | Size | Grade / UNS | Price |
|---|---|---|---|
| Copper Nickel 90/10 Pipe Fittings | 1/2" – 48"NB | As Per Requirement | Request a Quote |
| Copper Nickel 90/10 Pipe Fittings | Custom Size | As Per Requirement | Request a Quote |
| Industry | Application |
|---|---|
| Marine & Naval | Seawater piping, cooling water systems, desalination plants |
| Oil & Gas | Offshore pipelines, platform cooling systems |
| Power Generation | Condenser and heat exchanger tubes |
| Chemical Processing | Corrosion-resistant pipework, reaction vessels |
| Shipbuilding | Seawater intake, ballast systems, pump components |
| Architectural | Cladding, roofing, decorative marine structures |
CuNi 90/10 Pipe Fittings are made of 90 percent copper and 10 percent nickel containing 1.0 to 1.8 percent of iron and 1.0 percent maximum manganese.The UNS designation is C70600 and DIN designation is 2.0872.The iron additions in the specifics enhance the resistance to impingement and erosion corrosion in the high flow seawater conditions.
Cupro Nickel 90/10 Pipe Fittings are applied in marine cooling systems, seawater piping, offshore platforms, condensers in power stations, desalination plants, shipbuilding, as well as chemical processing.Their anti-fouling property and anti-seawater corrosion sustain them in the best piping systems across the globe.
CuNi 90/10 Pipe Fittings It is produced in compliance with the ASTM B466 and ASME SB466 (seamless) and ASTM B467 (welded).Dimensions are in compliance with ASME/ANSI B16.9, B16.28 and MSS SP43.EN 10204 3.1 and 3.2 Material test certificates are provided on request.
Copper Nickel 90 10 Fittings are provided between 1/2 inch NB and 48 inch NB.Types up to 10 inch are covered with seamless types, and up to 48 inch with welded or fabricated types.The choices of Bend radium include 1D, 2D, 3D, 5D, 6D, 8D, and 10D.Special sizes and timeframes can be ordered.
Yes. Copper Nickel 90/10 Pipe Fittings have a high level of resistance to hydrogen embrittment and have mechanical properties at cryogenic temperatures.They are also resistant to stress corrosion cracking, to erosion in seawater and brackish water, thus they are reliable in highly required service environments.
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