Cu-Ni 90/10, often known as 90% copper, and 10% nickel, is an alloy grade that demonstrates better resistance to general corrosion such as pitting and attacks from seawater. Even when exposed to water that is moving quickly or at a high velocity, flanges manufactured of 90/10 Cu-Ni have the potential to resist corrosion. An electric resistance at nominal temperature is present in Cupro Nickel 90/10 Weld Neck Flange grade. Because of the high copper content in Copper Nickel 90/10 Flanges, stress-related corrosion cracking, pitting, and crevice corrosion are not a problem. However, 90/10 Cu-Ni BLRF Flange continues to offer unrivalled resistance to soil erosion and abrasive fluids in aqueous environments. In India, Alpha Overseas is the largest producer of copper-nickel flanges.
Cupro Nickel 90-10 Pipe Flanges, CuNi C70600 Flanges, CuNi 2.0872 Flange, Cupro Nickel 90/10 Flange, Cu Ni 90/10 Slip On Flange, 90/10 Copper Nickel Flanges Suppliers, Cupro Nickel 90/10 Weld Neck Flange, Copper Nickel 90-10 Flanges Manufacturers in India.
The material's minimum yield strength is 20 ksi, and its minimum tensile strength is 50 ksi. The Cu-Ni 90/10 Blind Flanges are used to seal off a pipe's termination. No links to additional pipes exist. Bolts or welding could be used to create a temporary or permanent closure. The functioning and face type of Copper Nickel UNS C70600 Pipe Flanges vary. Because of this, applications like condenser tubes, marine hardware, and automobile cooling systems frequently use the 90/10 Cu/Ni Alloy Flange. This copper-based flange has a feature that many manufacturers appreciate: the alloy was created as a less expensive alternative to the more expensive 70-30 Cu Ni alloy. The alloy's good mechanical strength results from roughly 1.4% iron and trace levels of manganese. While a blind flange is used to permanently seal off or shut off a valve or nozzle in a piping system, a grade 90/10 Cupro Nickel Spectacle Flange is a safety device that the worker uses to isolate a section of a line or a piece of equipment when the line or equipment is needed to be inspected or taken out of service.
90/10 Cupronickel Flange Equivalent Grades
STANDARD | WERKSTOFF NR. | UNS |
Cupro Nickel 90/10 | 2.0872 | C70600 |
Cupro Nickel 90/10 Flange Dimensions
NPS (in.) |
Cupro Nickel 90/10 Flange Dimensions | ||||
---|---|---|---|---|---|
Dia. of Flange (in.) |
No. of Bolts |
Dia. of Bolts (in.) |
Dia. of Bolt Holes (in.) |
Bolt Circle (in.) |
|
1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
12 | 19 | 12 | 7/8 | 1 | 17 |
14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |
Cupro Nickel 90/10 Flanges Weight Chart
Pipe Normal Diameter (inch) | Outer diameter Flange | Thicjness Of Flange Minimum | Diameter of Hub |
Diameter of Raised Face | Length Hub.Y | Thread Length | Diameter of Bolt Circle |
Diameter of Bolt Holes |
Number of Bolts |
Diameter of Bolts (inch) |
KG | LB | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1/2" | 15 | 89.00 | 11.20 | 30.20 | 35.10 | 15.70 | 15.70 | 60.50 | 15.80 | 4 | 1/2" | 0.4 | 0.9 |
3/4" | 20 | 98.50 | 12.70 | 38.10 | 42.90 | 15.70 | 15.70 | 69.90 | 15.80 | 4 | 1/2" | 0.7 | 1.5 |
1" | 25 | 108.00 | 14.20 | 49.30 | 50.80 | 17.50 | 17.50 | 79.30 | 15.80 | 4 | 1/2" | 0.8 | 1.8 |
1-1/4" | 32 | 117.50 | 15.70 | 58.70 | 63.50 | 20.60 | 20.60 | 88.90 | 15.80 | 4 | 1/2" | 1.2 | 2.6 |
1-1/2" | 40 | 127.00 | 17.50 | 65.00 | 73.20 | 22.40 | 22.40 | 98.60 | 15.80 | 4 | 1/2" | 1.5 | 3.3 |
2" | 50 | 152.50 | 19.10 | 77.70 | 91.90 | 25.40 | 25.40 | 120.70 | 19.10 | 4 | 5/8" | 2.3 | 5.1 |
2-1/2" | 65 | 178.00 | 22.40 | 90.40 | 104.60 | 28.40 | 28.40 | 139.70 | 19.10 | 4 | 5/8" | 3.7 | 8.1 |
3" | 80 | 190.50 | 23.90 | 108.00 | 127.00 | 30.20 | 30.20 | 152.40 | 19.10 | 4 | 5/8" | 4.1 | 9 |
3-1/2" | 90 | 216.00 | 23.90 | 122.20 | 139.70 | 31.80 | 31.80 | 177.80 | 19.10 | 8 | 5/8" | 5.1 | 11.2 |
4" | 100 | 228.50 | 23.90 | 134.90 | 157.20 | 33.30 | 33.30 | 190.50 | 19.10 | 8 | 5/8" | 5.9 | 13 |
5" | 125 | 254.00 | 23.90 | 163.60 | 185.70 | 36.60 | 36.60 | 215.90 | 22.40 | 8 | 3/4" | 7 | 15.4 |
6" | 150 | 279.50 | 25.40 | 192.00 | 215.90 | 39.60 | 39.60 | 241.30 | 22.40 | 8 | 3/4" | 8.4 | 18.5 |
8" | 200 | 343.00 | 28.40 | 246.10 | 269.70 | 44.50 | 44.50 | 298.50 | 22.40 | 8 | 3/4" | 13 | 28.6 |
10" | 250 | 406.50 | 30.20 | 304.80 | 323.90 | 49.30 | 49.30 | 362.00 | 25.40 | 12 | 7/8" | 18 | 39.5 |
12" | 300 | 482.50 | 31.80 | 365.30 | 381.00 | 55.60 | 55.60 | 431.80 | 25.40 | 12 | 7/8" | 29 | 64 |
14" | 350 | 533.50 | 35.10 | 400.10 | 412.80 | 57.20 | 57.20 | 476.30 | 28.50 | 12 | 1" | 39 | 86 |
16" | 400 | 597.00 | 36.60 | 457.20 | 469.90 | 63.50 | 63.50 | 539.80 | 28.50 | 16 | 1" | 47 | 103 |
18" | 450 | 635.00 | 39.60 | 505.00 | 533.40 | 68.30 | 68.30 | 577.90 | 31.80 | 16 | 1 1/8" | 57 | 126 |
20" | 500 | 698.50 | 42.90 | 558.80 | 584.20 | 73.20 | 73.20 | 635.00 | 31.80 | 20 | 1 1/8" | 76 | 167 |
24" | 600 | 813.00 | 47.80 | 663.40 | 692.20 | 82.60 | 82.60 | 749.30 | 35.10 | 20 | 1 1/4" | 97 | 214 |
Cupro Nickel 90/10 Flanges Types

Cupro Nickel 90/10 Slip On Flange
- 90/10 Copper Nickel SOFF Flange
- Cu Ni 90/10 RFSO Flanges
- PN16 Slip On Flange Cupro Nickel 90/10
- Cupro Nickel 90/10 Raised Face Slip On Flange
- Cu-Ni 90/10 Flat Face Slip On Flanges
- Copper Nickel UNS C70600 Slip-On Flange
- Copper Nickel 2.0872 Slip On Raised Face Flange
- Gr.90-10 Cupro Nickel Slip On Pipe Flange
- Copper Nickel 90/10 FFSO Flanges
- 90/10 Cupro Nickel SORF Flange
- CuNi 90/10 SO Flanges

Cupro Nickel 90/10 Weld Neck Flange
- Cupro Nickel 90-10 Weld Neck Flanges ANSI B16.5
- CuNi 90/10 RFWN Flange
- 2.0872 WNRF Flanges
- Cu Ni 90/10 Welding Neck Flanges
- 90/10 Copper Nickel Weld Neck Flange 300
- Cupro Nickel 90/10 WNRTJ Flange
- 90/10 Cupro Nickel Raised Face Weld Neck Flange
- Cu-Ni 90/10 WNFF Flangs
- Copper Nickel 90/10 Flat Face Weld Neck Flange
- 90-10 Copper Nickel Welding Neck Flanges 150#

Cupro Nickel Alloy 90/10 Blind Flange
- 90/10 Copper Nickel BLRTJ Flange
- Cupro Nickel UNS C70600 BLFF Flanges
- Copper Nickel 90/10 Blind Flange
- ASME B16.5 Cupro Nickel 90-10 Blind Raised Face Flange
- Copper Nickel 2.0872 RTJ Blind Flange
- Cu Ni 90/10 Blind Flanges
- Cupro Nickel 90/10 Blind Plate Flanges
- Copper Nickel 90/10 Blind Pipe Flanges
- 90/10 Cupro Nickel BLRTJ Flange
- Cupro Nickel 90/10 BLRF Flange
- Cu-Ni 90/10 Pipe Blind Flange

Cupro Nickel 90/10 Threaded Flange
- 90/10 Cupro Nickel Raised Face Threaded Flange
- UNS C70600 Reducing Threaded Flange
- Cupro Nickel 90/10 BSP Threaded Flange
- 90/10 Copper Nickel Thread Flange
- Cupro Nickel 90/10 3 inch Threaded Pipe Flanges
- Copper Nickel 90/10 BSP Threaded Flanges
- Cu Ni 90/10 Threaded Pipe Flange
- Copper Nickel 2.0872 Male Threaded Flange
- Copper Nickel 90/10 Threaded Flanges
- Cupro Nickel 90/10 NPT Threaded Flange
- Cu-Ni 90/10 Thread Flange
- CuNi 90/10 Female Threaded Flange

Cupro Nickel 90/10 Socket weld Flange
- UNS C70600 Socket Weld Raised Face Flange
- 90/10 Copper Nickel 90/10 Flange sw rf
- Cupro Nickel 2.0872 SWFF Flanges
- CuNi 90/10 Flat Face Socket Weld Flange
- Cupro Nickel 90/10 SWRF Flanges
- ASME B16.5 Cupro Nickel 90/10 SW Flange
- 90/10 Cupro Nickel RFSW Flanges
- Cu Ni 90/10 Raised Face Socket Weld Flanges
- Cu-Ni 90/10 Socket Weld Pipe Flange
- Cupro Nickel 90-10 300# Socket Weld Flange
- Copper Nickel Grade 90-10 Socket Welding Flange

Cupro Nickel 90/10 Long Weld Neck Flange
- 90/10 Cupro Nickel LWN Flanges
- 90/10 Copper Nickel Long Welding Neck Flange
- Cu-Ni 90/10 Long Weld Neck Flange
- Cupro Nickel UNS C70600 LWN Flange
- ASME B16.5 Cupro Nickel 90/10 Long Weld Neck Flanges
- CuNi 90/10 Long Weld Neck Raised Face Flange
- 90-10 Copper Nickel LWNRF Flanges
- Cu Ni 90/10 Raised Face Long Weld Neck Flange
- Cupro Nickel 90/10 RFLWN Flange
- Copper Nickel 90/10 Long Welding Neck Flanges

CuNi 90/10 Lap Joint Flange
- Cupro Nickel 90/10 Flange Lap Joint Stub End
- Cu Ni 90/10 Lap Joint Flange with stub end
- Cu-Ni 90/10 Raised Face Lap Joint Flange
- Copper Nickel 90/10 LJRF Flanges
- 2.0872 Lap Joint Pipe Flanges
- 90/10 Copper Nickel Lap Joint Flange
- Copper Nickel C70600 Lap Joint Pipe Flange
- Cupro Nickel 90/10 LJ Flanges
- ANSI B16.5 Cupro Nickel 90/10 Lapped Joint Flange
- 90/10 Cupro Nickel LJFF Flange
- CuNi 90/10 Flat Face Lap Joint Flange

Cupro Nickel 90/10 Plate Flange
- 90-10 Copper Nickel Plate Flange en 1092
- 90/10 Copper Nickel Plate Flange
- Copper Nickel 2.0872 Plate Flanges
- Copper Nickel 90/10 Plate Flanges
- UNS C70600 Plate Flanges
- Cupro Nickel 90/10 ANSI B16.5 Plate Flanges
- Cu-Ni 90/10 Plate Flanges
- CuNi 90/10 Plate Flanges Class 150

Cu Ni 90/10 Orifice Flange
- CuNi 90/10 Raised Face Orifice Flanges
- Copper Nickel 90/10 Orifice Flanges
- Cupro Nickel 90-10 Orifice Flanges
- Cu-Ni 90/10 Orifice Flanges
- 90-10 Copper Nickel RTJ Orifice Flange
- ANSI B16.36 Cupro Nickel 90/10 Orifice Flanges
- 90/10 Cupro Nickel ASME B16.36 Orifice Flange
- Cupro Nickel 90/10 Class 150 Orifice Flange
- Cupro Nickel 2.0872 Orifice Flanges
- UNS C70600 Orifice Flanges
- 90/10 Copper Nickel Orifice Pipe Flange
Specialized in Following 90-10 Cupro Nickel Flanges
- Copper Nickel 90/10 Flange Suppliers
- Copper Nickel 90/10 Flanges Manufacturers in India
- Cu-Ni 90/10 Large Tongue Flange Stock
- Grade 90/10 Cupro Nickel Slip On Plate Flange
- 90/10 Copper Nickel Flange Manufacturer in Mumbai
- Manufacturer of Cupro Nickel 90/10 Flanges
- UNS C70600 Large Diameter Flange
- Copper Nickel 2.0872 Spacer Ring Flanges
- ASME B16.5 Cupro Nickel 90/10 Pipe Flange Spacer Ring
- Copper Nickel 90/10 Flat Face Flanges
- CuNi 90/10 Forged Flanges
- Cupro Nickel 90/10 Flanges Suppliers in India
- Copper Nickel 90-10 Industrial Pipe Flange
- 90/10 Cupro Nickel High Hub Blind Flange
- Type 90/10 Copper Nickel Loose Plate Flange
- Cu Ni 90/10 Flange Manufacturer
- Cupro Nickel 90/10 Pipe Flanges
- ANSI/ASME B16.5 90-10 CuNi Flange Supplier in Mumbai
- Cupro Nickel 90-10 Groove Flange
- Cupro Nickel 90/10 Flange Pressure Rating
- Cupro Nickel 90/10 Reducing Flange
- Cupro Nickel 90/10 Flanges Stockist
- Copper Nickel Grade 90-10 Blind Spectacle Flange
- Supplier of Cu Ni 90-10 Slip On Flat Face Flange
- Cupro Nickel 90/10 Ring Type Joint Flanges
- Copper Nickel 90/10 Paddle flange
- 90/10 Cupro Nickel Ring Joint Flange
- 90-10 Copper Nickel Paddle Blank and Spacer
- CuNi 90/10 Exhaust Flanges
- Cupro Nickel 90/10 Paddle Blind Flange
- Copper Nickel 90-10 Flanges at Best Price List In India
- Cupro Nickel 90-10 Flangeolet
- Cu-Ni 90/10 Tongue and Groove Flanges Dealers
- 90/10 Copper Nickel Raised Face Flange
- Cu Ni 90/10 RTJ Flange Exporter
- 90/10 Cupro Nickel Spectacle Blind Flanges
- 90/10 Cupro Nickel Custom Flanges
- Cupro Nickel 90/10 Nipoflange
UNS C70600 Flange Pressure Rating Chart
ASME | Pressure Temperature Ratings For Cupro Nickel 90/10 Flanges | ||||||
Temperature °F | Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 |
-20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
1050 | 20 | 310 | 410 | 615 | 925 | 1545 | 2570 |
1100 | 20 | 255 | 345 | 515 | 770 | 1285 | 2145 |
1150 | 20 | 200 | 265 | 400 | 595 | 995 | 1655 |
1200 | 20 | 155 | 205 | 310 | 465 | 770 | 1285 |
1250 | 20 | 115 | 150 | 225 | 340 | 565 | 945 |
1300 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
1350 | 20 | 60 | 80 | 125 | 185 | 310 | 515 |
1400 | 20 | 50 | 65 | 95 | 145 | 240 | 400 |
1450 | 15 | 35 | 45 | 70 | 105 | 170 | 285 |
1500 | 10 | 25 | 35 | 55 | 80 | 135 | 230 |
Cupro Nickel 90/10 Flange Price List India
Check out the Cupro Nickel 90/10 Flange Price List.
Cupro Nickel 90/10 Flange in India | Cupro Nickel 90/10 Flange Price in INR | |
Cupro Nickel Flanges 90/10, 150, 300, 600 LBS, 900 LBS, 1500#, Class 2500 | Rs. 2,248 | |
Copper Nickel Flanges 90/10 B16.5 | Rs. 3,167 | |
Cupro Nickel 90/10 Class 150 Flanges as per ASME B 16.5 | Rs. 3,3518 | |
Pn16 Dn65 Dn80 Cupro Nickel 90/10 Flange | Rs. 179 | |
Cupro Nickel 90/10 Plate Flange | Rs. 5,198 | |
90/10 Copper Nickel 300# Flange, B16.5 | Rs. 4,901 |
Copper Nickel Alloy 90/10 Flanges Standard
For more information on flange standards, or to learn more about custom flanges for particular specifications, contact us today.
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Chemical Composition of 90/10 Cupro Nickel Flanges
Grade | Cu | Mn | Pb | Ni | Fe | Zn |
Cu-Ni 90-10 | 88.6 min | 1.0 max | .05 max | 9-11 max | 1.8 max | 1 max |
Cupro Nickel 90/10 Flanges Mechanical Properties
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Cu Ni 90/10 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
Applications of Cupro Nickel 90/10 Flanges
We Export Cupro Nickel 90/10 Flanges Across the Globe
Mongolia, Thailand, India, Saudi Arabia, Mexico, Croatia, Algiera, Angola, Kazakhstan, Germany, United Arab Emirates, Colombia, Nepal, Finland, Estonia, Lithuania, Greece, France, Tunisia, Israel, Zimbabwe, Vietnam, Taiwan, South Korea, Canada, Slovakia, Denmark, Spain, Bulgaria, Chile, Austria, Russia, Netherlands, Lahore, Bangladesh, Ukraine, Ghana, Ecuador, Belarus, Bhutan, Hong Kong, United Kingdom, Azerbaijan, Pakistan, Serbia, Sweden, China, Turkey, Egypt, columbia, Trinidad & Tobago, Czech Republic, Brazil, Kenya, Puerto Rico, Japan, Libya, South Africa, Poland, Iraq, Yemen, Gambia, Morocco, Bolivia, Macau, Nigeria, Philippines, Ireland, United States, Norway, Afghanistan, Bahrain, Switzerland, Oman, Indonesia, Costa Rica, Gabon, Italy, Malaysia, Belgium, Argentina, Peru, Iran, Romania, Namibia, Singapore, Sri Lanka, Algeria, Australia, Portugal, Venezuela, New Zealand, Jordan, Kuwait, Hungary, Lebanon, Tibet, Qatar.
Domestic Supply Cupro Nickel 90/10 Flanges
Rajkot, Indore, Chennai, Kolkata, Nagpur, Pimpri-Chinchwad, Pune, Ernakulam , Gurgaon, Jaipur, Visakhapatnam, Chandigarh, Navi Mumbai, Bhopal, Noida, mumbai, Surat, Faridabad, Secunderabad, Thane, Bengaluru, Kanpur, Ahmedabad, Howrah, Thiruvananthapuram, Jamshedpur, Nashik, Ranchi, Hyderabad, New Delhi, Ludhiana, Haryana.