Ninthore Overseas is one of the Leading Manufacturer And Exporter Of High Quality Cupro Nickel 70 Buttweld Fittings, which has some best features to offer such as optimum tensile strength, corrosion resistant, abrasion resistant and more. These Cu-Ni 70 / 30 Elbow Butt Weld Pipe Fittings (UNS C71500) is readily cold worked, fabricated and welded without any special material considerations. Cupro Nickel 70 / 30 Tee Butt Weld Pipe Fittings also have important additions of iron and manganese which are necessary to maintain good corrosion resistance.

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Cupro Nickel 70 Buttweld Fittings

Cupro Nickel 70 Buttweld Fittings

These Copper Nickel 70 / 30 Reducer finds its greatest application in areas of high temperatures and pressures combined with high velocity and destructive turbulence. Meanwhile, Cu-Ni 70 / 30 Cross Butt Weld Pipe Fittings are also being offered in different sizes and shapes to our customers. We are also one of the dominating the Manufacturers, Exporters and Supplier of these high quality Cupro Nickel 70 / 30 Pipe Bend, which is a copper nickel alloy with excellent resistance to corrosion and erosion it is strong and ductile.

Cupro Nickel 70 / 30 Stub End Butt Weld Pipe Fittings may be known colloquially and is used for the manufacture of tubing for fresh water and for hot water cylinders. These Cu-Ni 70 / 30 End Cap Butt Weld Pipe Fittings are manufactured from quality proven raw materials to ensure excellent performance, high conductivity and longer operational life.

Cupro Nickel 70/30 Pipe Fittings Specifications
Specifications : ASTM B366 / ASME SB366
Size : 1/2″ to 24″ NB to 24″NB in
: ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Thickness : 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75
Type : Seamless / Welded / Fabricated
Cupro Nickel 70/30 Pipe Fittings Chemical Composition
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
Cupro Nickel 70/30 Buttweld Fittings Mechanical Properties
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 %
Equivalent Grades for 70/30 Cupro Nickel Pipe Fitting
Cupro Nickel 70/30 C71500 2.0882
Copper Nickel Alloy 70/30 Buttweld Pipe Fittings 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
Copper Nickel 70/30 Buttweld Fitting 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)