Ninthore Overseas is one of the Leading Manufacturer And Exporter Cupro Nickel 70 Flanges, where we check these products on predefined quality parameters to ensure their defect free design. Cupro Nickel 70 / 30 Slip On Flanges (UNS C71500) are utilized in areas where high temperatures and pressures, combined with high velocities and turbulence are serious problems. Cupro Nickel 70 / 30 Threaded Flanges have good strength and toughness, resistance to bio – fouling, readily weldable and fabricated, etc. Cupro Nickel 70 / 30 Weld Neck Flanges are often used in Welding Backing Rings, Flexible Metal Hose, Weld Wire, Boiler Parts, Condensers, Propeller Sleeves, Heat Exchanger Components, and more.

Temperatures between 927 and 1038 Degree C (1700 and 1900 Degree F) are suitable for Cupro Nickel 70 / 30 Blind Flanges. Meanwhile, Cupro Nickel 70 / 30 Socket Weld Flanges are also being offered in different sizes and shapes to our customers. The product separation depends on the chief completion of Cupro Nickel 70 / 30 Lap Joint Flanges (C71500) with least burr at the edge.

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The offered Cupro Nickel 70 / 30 Ring Joint Type Flanges is created utilizing the finest quality crude material and the most exceptional apparatus under the supervision of skilled experts. These Cupro Nickel 70 / 30 Spectacle Blind Flanges is as well used in Evaporator Tubes, Distiller Tubes, Condenser Plates, Weld Wire, Flexible Metal Hose, Pump Impellers, and Welding Backing Rings.

Cupro Nickel 70/30 Pipe Flanges Specifications
Specifications : ASTM / ASME SB 61 / 62 / 151 / 152
Size : 1/2″ 36″
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Cupro Nickel 70/30 Pipe Flanges Chemical Composition

Grade Cu Mn Pb Ni Fe Zn
Cupro Nickel 70/30 65 min 1.0 max 0.05 max 29-33 max 0.4-1.0 max 1 max

Cupro Nickel 70/30 Plate Flanges Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
0.323 lb/in3 at 68 F 2260 F 50000 psi 20000 psi 30 %

Equivalent Grades for 70/30 Cupro Nickel Industrial Pipe Flanges
Cupro Nickel 70/30 2.0882 C71500

Cupro Nickel 70/30 Flanges 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

Cupro Nickel 70/30 Pipe Flanges 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)