Copper Nickel 90/10 Fittings Manufacturer, Supplier & Exporter

Copper Nickel 90/10 Pipe Fittings

Copper Nickel 90/10 Fittings Manufacturer, Supplier & Exporter

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.




Copper Nickel 90/10 Pipe Fittings Specifications

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)

Types of Copper Nickel 90/10 Pipe Fittings

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)

Chemical Composition – Copper Nickel 90/10 (UNS C70600)

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%

Mechanical Properties – CuNi 90/10 Pipe Fittings

Property Value
Tensile Strength275 MPa (40 ksi) min
Yield Strength (0.2%)105 MPa (15 ksi) min
Elongation30% min
Density8.9 g/cm³
Melting Point1100–1145°C
Thermal Conductivity40 W/m·K

Equivalent Grades – Cupro Nickel 90/10 Fittings

Grade UNS CDA DIN / Werkstoff BS EN
Copper Nickel 90/10 C70600 706 2.0872 CN 102 CuNi10Fe1Mn

Price List – Copper Nickel 90/10 Fittings

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

Application Industries – CuNi 90/10 Pipe Fittings

Industry Application
Marine & NavalSeawater piping, cooling water systems, desalination plants
Oil & GasOffshore pipelines, platform cooling systems
Power GenerationCondenser and heat exchanger tubes
Chemical ProcessingCorrosion-resistant pipework, reaction vessels
ShipbuildingSeawater intake, ballast systems, pump components
ArchitecturalCladding, roofing, decorative marine structures

Why Choose Solitaire Overseas?

  • Trusted manufacturer, supplier, and exporter with global reach
  • Mill test certificates and third-party inspection available
  • Strict quality control as per ASTM, ASME, and ISO standards
  • Competitive pricing with prompt delivery worldwide
  • Wide stock availability for urgent and bulk requirements
  • Custom sizes, grades, and specifications on request
  • Experienced team ensuring dimensional accuracy and traceability

Frequently Asked Questions (FAQs)

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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