Ninthore Overseas Is One Of The Leading Manufacturer And Exporter Of High Quality Cupro Nickel 90 Nipple, which have only one phase since the copper nickel binary system shows complete solid solubility. These Cu-Ni 90 / 10 Hexagon Reducing Nipple contains 10 percent of nickel with addition of iron and manganese, which are necessary to maintain resistance towards corrosion. Our Cupro Nickel 90 / 10 Hexagon Nipple consists of copper and nickel as the basic elements and with or without other elements such as zinc may be present by less than 1 %. These Copper Nickel 90 / 10 One End Threaded Nipple is used for Heat Exchangers & Condensers which are very important for all Industrial fields.

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Cupro Nickel 90 Nipple

Cupro Nickel 90 Nipple

These Copper Nickel 70 / 30 Nipple is stronger than the more common Cu-Ni 90 / 10 Both End Threaded Nipple and is able to withstand corrosion at higher velocities in marine applications, making it the favorable choice in submarine systems. In addition, commissioning, shut – down and start – up measures of these CU-Ni 90 / 10 Concentric Swaged Nipple are compiled that are necessary for the establishment and re – establishment of the protective layer, where the latter involved copper – nickel granules and slit sheet.

Our Copper Nickel 90 / 10 Eccentric Swaged Nipple is often used in automotive industry, such as for Power Steering Tube, Brake Lines, Screw Lamp Bases, and so on.

Cu-Ni 90/10 Nipple
Specifications : ASTM B466, ASME SB466
Dimensions : ANSI/ASME B16.9, B16.28, MSS-SP-43.
Size : 2 1/16” to 30”
Cu-Ni 90/10 Nipple Chemical Composition
Cu-Ni 90/10 Cu Pb Mn Fe Zn Ni
88.6 min 0.05 max 1.0 max 1.8 max 1 max 9-11 max
Cu-Ni 90/10 Nipple Mechanical Properties
Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
8.1 g/cm3 1443 °C (2430 °F) Psi – 35,000, MPa – 241 Psi -80,000, MPa -551 30 %
Equivalent Grades for Cu-Ni 90/10 Nipple
Cupro Nickel 90/10 C70600 2.0872
Cu-Ni 90/10 Nipple Application Industries
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry
Cu-Ni 90/10 Nipple Test Certificates

We at Ninthore Overseas provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.

• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc

Material Testing

We at Ninthore Overseas ensure that all our materials go through strict quality tests before dispatching them to our clients.

• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test


• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)