90/10 Copper Nickel Flanges Manufacturer In India

90/10 Copper Nickel Flanges Manufacturer In India

Standard Dimensions Of ASTM B151 Cu-Ni 90/10 Flanges And Wide Variety Of Bulk 90/10 Copper Nickel Blind Flange In India.

We are one of the largest manufacturers and suppliers of different flanges and pipe fittings in India. Our 90/10 Copper Nickel Flanges have various applications in different industries- they are widely used in condensers, pressure vessels, heat exchanger tubes, etc. We are a renowned Copper Nickel Flange Manufacturer In India who uses pure raw material to manufacture their products. Our UNS C70600 Weld Neck Flange has excellent hot and cold workability, and they can be fabricated readily by bending, welding and forming. The Cu-Ni 90/10 Blind Flange are known for their abilities to resist corrosion in critical environments. The Copper Nickel 90/10 Flanges also have good resistance to impingement outbreak. All of our products are easily customizable and are available to our customers in various dimensions.

We use state-of-the-art technologies to manufacture your 90/10 Cu Ni Slip On Flanges with precision. We understand the importance of accuracy and make sure all of our products are true to their dimensions. We have experienced team members who supervise the manufacturing and testing process of Werkstoff Nr.2.0872 Flanges. We conduct a series of certified tests to ensure the quality and safety of the products. We manufacture C70600 Copper Nickel 90/10 Plate Flange following the national and internal standards, as required.


90/10 Copper Nickel Flanges
90/10 Copper Nickel Flanges

90/10 Copper Nickel Flanges

ASTM B151 Cu-Ni 90/10 Flanges
ASTM B151 Cu-Ni 90/10 Flanges

ASTM B151 Cu-Ni 90/10 Flanges

90/10 Copper Nickel Blind Flange
90/10 Copper Nickel Blind Flange

90/10 Copper Nickel Blind Flange

C70600 90/10 Cu-Ni Slip On Flanges
C70600 90/10 Cu-Ni Slip On Flanges

C70600 90/10 Cu-Ni Slip On Flanges

Copper Nickel 90/10 Weld Neck Flange
Copper Nickel 90/10 Weld Neck Flange

Copper Nickel 90/10 Weld Neck Flange

ASME SB 151 Copper Nickel Socket Weld Flanges
ASME SB 151 Copper Nickel Socket Weld Flanges

ASME SB 151 Copper Nickel Socket Weld Flanges



copper nickel flanges manufacturer

Table of Content



Copper Nickel Slip On Flanges Dimensional Format

Copper Nickel Slip On Flanges Dimensional Format


Normal Pipe Size (NPS) Outside Daimeter (O.D.) Of Flange Thickness Of Flanges Diameter of Raised Face Hub at Base Diameter Lengtd Tdru Hub Bore And Diameter Hub at Bevel Diameter Radius of Fillet Socket Deptd
Weld Neck (WN) SORF (Slip-On) NPT (Threaded) SWRF (Socket) Loose (Lap Joint) SORF (Slip-on) SWRF (Socket) Loose (Lap Joint)
O Q R X Y Y Y W B H r Z
1/2 3-1/2 7/16 1-3/8 1-3/16 1-7/8 5/8 5/8 .88 .90 .84 1/8 3/8
3/4 3-7/8 1/2 1-11/16 1-1/2 2-1/16 5/8 5/8 1.09 1.11 1.05 1/8 7/16
1 4-1/4 9/16 2 1-15/16 2-3/16 11/16 11/16 1.36 1.38 1.32 1/8 1/2
1-1/4 4-5/8 5/8 2-1/2 2-5/16 2-1/4 13/16 13/16 1.70 1.72 1.66 3/16 9/16
1-1/2 5 11/16 2-7/8 2-9/16 2-7/16 7/8 7/8 1.95 1.97 1.90 1/4 5/8
2 6 3/4 3-5/8 3-1/16 2-1/2 1 1 2.44 2.46 2.38 5/16 11/16
2-1/2 7 7/8 4-1/8 3-9/16 2-3/4 1-1/8 1-1/8 2.94 2.97 2.88 5/16 3/4
3 7-1/2 15/16 5 4-1/4 2-3/4 1-3/16 1-3/16 3.57 3.60 3.50 3/8 13/16
3-1/2 8-1/2 15/16 5-1/2 4-13/16 2-13/16 1-1/4 1-1/4 4.07 4.10 4.00 3/8 7/8
4 9 15/16 6-3/16 5-5/16 3 1-5/16 1-5/16 4.57 4.60 4.50 7/16 15/16
5 10 15/16 7.5/16 6-7/16 3-1/2 1-7/16 1-7/16 5.66 5.69 5.56 7/16 15/16
6 11 1 8-1/2 7-9/16 3-1/2 1-9/16 1-9/16 6.72 6.75 6.63 1/2 1-1/16
8 13-1/2 1-1/8 10-5/8 9-11/16 4 1-3/4 1-3/4 8.72 8.75 8.63 1/2 1-1/4
10 16 1-3/16 12-3/4 12 4 1-15/16 1-15/16 10.88 10.92 10.75 1/2 1-5/16
12 19 1-1/4 15 14-3/8 4-1/2 2-3/16 2-3/16 12.88 12.92 12.75 1/2 1-9/16
14 21 1-3/8 16-1/4 15-3/4 5 2-1/4 3-1/8 14.14 14.18 14.00 1/2 1-5/8
16 23-1/2 1-7/16 18-1/2 18 5 2-1/2 3-7/16 16.16 16.19 16.00 1/2 1-3/4
18 25 1-9/16 21 19-7/8 5-1/2 2-11/16 3-13/16 18.18 18.20 18.00 1/2 1-15/16
20 27-1/2 1-11/16 23 22 5-11/16 2-7/8 4-1/16 20.20 20.25 20.00 1/2 2-1/8
24 32 1-7/8 27-1/4 26-1/8 6 3-1/4 4-3/8 24.25 24.25 24.00 1/2 2-1/2

Specification List Of 90/10 Cu-Ni Slip On Flanges And Since 1997, We Have Been Manufacturer & Supplyed Copper Nickel 90/10 Weld Neck Flange In Mumbai, India.


90 10 Cupro Nickel Specification

Specification List Of : 90/10 Copper Nickel Flanges
Different Type Of Flange For Sale Weld Neck, Blind, Slip-On, Socket-Weld, Lap Joint, Threaded
Application Municipal Pipe Systems
Power Plants Industry
Food Processing And Manufacturing
Fossil Fuel Power Plants
Waterworks Systems
Nuclear Power Application
Oil And Gas Industry
Temperature For Class 150 Above 200° Celsius (400°F) For 150 Class Or Above 400° Celsius (750°F)
Low Temperature Chart Above -29 ° Celsius (−20°F)
Manufacturer Of Japanese Standards 5K, 10K, 40K, 16K 20K 30K, 63K
Bore Diameter Size Chart NPS ≤ 10
Size Format For Flanges 1/2" To 48"
Available Type Plate / Forged/ Threaded
ASTM Standard Materials Copper Nickel, Alloy Steel, Mild Steel, Hastelloy, Stainless Steel, Wrought Iron, Duplex Steel & Super Duplex Steel, Cast Iron, Inconel, Carbon Steel.
Thickness For Pressure Vessel NPS ≤ 18
KOC Approved Manufacturer Of Below Standards ANSI/ASME B16.5, API7S-15, IS 2062, ISO70051, API, API7S-43, ASME B16.48, AWWA C207, B16.47 Series A & B, API605, BS4504, EN1092, UNI, ASME B16.36, DIN, BS1560-3.1, EN-1092, ISO, MSS S44.
Pressure Rating Class Class 150 To Class 2500
Face Type RTJ, Flat Face, Lap-Joint Face, Raised Face, Large Tongue & Groove And Small Tongue Groove, Large Male-Female And Small Male-Female.
Production Technique For Flange
  • Heat Treated/ Machined/ Forged
We Provide Fast Delivery Singapore, Sharjah, Jakarta, Abu Indore, Tehran, Pimpri-Chinchwad, Hazira, City, Kuala Delhi, Oyama, City, Jamshedpur, Johor City, Puchong, Panipat, Visakhapatnam, Jamnagar, Paris, Mumbai, Rajkot, Paulo, Baku, Ambernath, Brisbane, London, Coimbatore, Khobar, Thane, Kolkata, Dombivli, Ahmedabad, Navi Chicago, Mysuru, Perth, Manama, Dammam, Madrid, Faridabad, Hyderabad, Ludhiana, Zhengzhou, Santiago, Beijing, Surat, Dhabi, Chi Vasai Cairo, Milan, Al Bengaluru, Karachi, Mumbai, Ashburn, Hangzhou, Pune, Busan, Vung Kalyan, Al Ghaziabad, Riyadh, Gurgaon, Nashik, Hanoi, Bhopal, Kota, Jubail, Tiruchirappalli, Kochi, Vapi, Melbourne, Guwahati, Amsterdam, Quezon Raipur, Lagos, Alam, Noida, Bogota, Sydney, Shah Minh Bhubaneswar, Dallas, Ajman, Chennai, Alexandria, Dubai, Ankleshwar, Doha, Delhi, Sao Secunderabad, Dhaka, Bangkok, Lucknow, Shanghai, Jeddah, Tau, Jaipur, Calgary, Istanbul, Mexico Houston, Patna, Virar, Chandigarh, Bahru, Vadodara, Surabaya, Lumpur, Seoul, Nagpur, New Ho Batam, Agra.

Cupro Nickel 90/10 Flanges Equivalent

STANDARD WERKSTOFF NR. UNS
90/10 Copper Nickel Flanges 2.0872 C70600

Check ASME SB 151 Copper Nickel Socket Weld Flanges Chemical Composition/ Mechanical Properties And ISO Certified Manufacturer Of C70600 90/10 Orifice Flange In India.


C70600 Copper Nickel "90/10" Chemical Composition

Grade Cu Mn Pb Ni Fe Zn
Copper Nickel Flanges 88.6 minimum 1.0 maximum .05 maximum 9-11 maximum 1.8 maximum 1 maximum

Copper Nickel Flanges Mechanical Properties

Element Density Yield Strength (0.2%Offset) Elongation Melting Point Tensile Strength
90/10 Copper Nickel Flanges 0.323 lb/in3 at 68 F 20000 psi 30 % 2260 F 50000 psi


Refer Cu-Ni 90/10 Spectacle Blind Flanges Schedule Chart/ Equivalent Table And Manufacturer of UNS C70600 Reducing Flange In India.

Copper Nickel 90-10 Weld Neck Flanges Weight Chart

NPS (Nominal Pipe Size) SORF (Slip On) NPT (Threaded) SWRF (Socket Weld) Loose (Lap Joint) BLRF (Blind) WRNR (Weld Neck)
½ 1 1 2 1 2 2
¾ 2 2 2 2 2 2
1 2 2 2 2 2 3
1¼ 3 3 3 3 3 3
1½ 3 3 3 3 4 4
2 5 5 5 5 5 6
2½ 8 8 8 8 7 10
3 9 9 9 9 9 11.5
3½ 11 12 11 11 13 12
4 13 13 13 13 17 16.5
5 15 15 15 15 20 21
6 19 19 19 19 27 26
8 30 30 30 30 47 42
10 43 43 43 43 70 54
12 64 64 64 64 123 88
14 90 90 90 105 140 114
16 106 98 98 140 180 140
18 130 130 130 160 220 165
20 165 165 165 195 285 197
22 185 185 185 245 355 225
24 220 220 220 275 430 268

View Pressure Rating Chart Of Werkstoff Nr. 2.0872 Flat Face Flanges And Cu-Ni 90/10 Raised Face Flanges Thickness Calculation For Pressure Vessel.

Cu-Ni 90/10 Plate Flange Pressure Rating

Copper Nickel Flanges Pressure And Temperature Ratings
Temperature °F Class 150 As Per ASME B16.5 Class 300 As Per ASME B16.5 Class 400 As Per ASME B16.5 Class 600 As Per ASME B16.5 Class 900 As Per ASME B16.5 Class 1500 As Per ASME B16.5 Class 2500 As Per ASME B16.5
-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

ASTM B564 Cu-Ni 90/10 Slip On Flanges Thickness Chart

Wall Thickness Of 90/10 Copper Nickel Flanges
Normal Pipe Size (NPS) O.D. (Outside Daimeter) Sch 10 Sch 20 Sch 30 STD Wall Outside Daimeter Sch 40 Sch 60 EXT Hvy Outside Daimeter Schedule 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 XX Hvy
½ 0.84 0.083 ... ... 0.109 0.109 ... 0.147 0.147 ... ... ... 0.188 0.294
¾ 1.05 0.083 ... ... 0.113 0.113 ... 0.154 0.154 ... ... ... 0.219 0.308
1 1.315 0.109 ... ... 0.133 0.133 ... 0.179 0.179 ... ... ... 0.25 0.358
1 ¼ 1.66 0.109 ... ... 0.14 0.14 ... 0.191 0.191 ... ... ... 0.25 0.382
1 ½ 1.9 0.109 ... ... 0.145 0.145 ... 0.2 0.2 ... ... ... 0.281 0.4
2 2.375 0.109 ... ... 0.154 0.154 ... 0.218 0.218 ... ... ... 0.344 0.436
2 ½ 2.875 0.12 ... ... 0.203 0.203 ... 0.276 0.276 ... ... ... 0.375 0.552
3 3.5 0.12 ... ... 0.216 0.216 ... 0.3 0.3 ... ... ... 0.438 0.6
3 ½ 4 0.12 ... ... 0.226 0.226 ... 0.318 0.318 ... ... ... ... 0.636
4 4.5 0.12 ... ... 0.237 0.237 ... 0.337 0.337 ... 0.438 ... 0.531 0.674
5 5.563 0.134 ... ... 0.258 0.258 ... 0.375 0.375 ... 0.5 ... 0.625 0.75
6 6.625 0.134 ... ... 0.28 0.28 ... 0.432 0.432 ... 0.562 ... 0.719 0.864
8 8.625 0.148 0.25 0.277 0.322 0.322 0.406 0.5 0.5 0.594 0.719 0.812 0.906 0.875
10 10.75 0.165 0.25 0.307 0.365 0.365 0.5 0.5 0.594 0.719 0.844 1 1.125 1
12 12.75 0.18 0.25 0.33 0.375 0.406 0.562 0.5 0.688 0.844 1 1.125 1.312 1
14 14 0.25 0.312 0.375 0.375 0.438 0.594 0.5 0.75 0.938 1.094 1.25 1.406 ...
16 16 0.25 0.312 0.375 0.375 0.5 0.656 0.5 0.844 1.031 1.219 1.438 1.594 ...
18 18 0.25 0.312 0.438 0.375 0.562 0.75 0.5 0.938 1.156 1.375 1.562 1.781 ...
20 20 0.25 0.375 0.5 0.375 0.594 0.812 0.5 1.031 1.281 1.5 1.75 1.969 ...
22 22 0.25 ... ... 0.375 ... ... 0.5 ... ... .... .... .... ....
24 24 0.25 0.375 0.562 0.375 0.688 0.969 0.5 1.219 1.531 1.812 2.062 2.344 ....
26 26 .... .... .... 0.375 .... .... 0.5 .... .... .... .... .... ....
30 30 0.312 0.5 0.625 0.375 .... .... 0.5 .... .... .... .... .... ....
36 36 0.312 0.5 0.625 0.375 0.75 .... 0.5 .... .... .... .... .... ....
40 40 .... .... .... 0.375 .... .... 0.5 .... .... .... .... .... ....
42 42 …….. …….. …….. 0.375 …….. …….. 0.5 …….. …….. …….. …….. …….. ……..
48 48 …….. …….. …….. 0.375 …….. …….. 0.5 …….. …….. …….. …….. …….. ……..

90/10 Copper Nickel Flanges Size Chart

Normal Sizes In inchDimensionCopper Nickel Flanges Dimensional Sizes 1/2 inch. to 2 1/2 inch.
Class 125
Class 150 		Class 300Class 400Class 600Class 900Class 1500Class 2500
inch.mminch.millimeterinch.mminch.mminch.mminch.mminchmm
1/2A3 1/288.93 3/495.23 3/495.23 3/495.24 3/41214 3/41215 1/4133.4
b7/1611.19/1614.39/1614.39/1614.37/822.27/822.21 3/1630.2
D21 3/834.91 3/834.91 3/834.91 3/834.91 3/834.91 3/834.91 3/834.9
D12 3/860.32 5/866.72 5/866.72 5/866.73 1/482.63 1/482.63 1/288.9
n44444444444-444
d5/815.95/815.95/815.95/815.97/822.27/822.27/822.2
3/4A3 7/898.44 5/8117.54 5/8117.54 5/8117.55 1/81305 1/81305 1/2139.7
b1/212.75/815.95/815.95/815.9125.4125.41 1/431.8
D21 11/1642.91 11/1642.91 11/1642.91 11/1642.91 11/1642.91 11/1642.91 11/1642.9
D12 3/469.83 1/482.53 1/482.53 1/482.53 1/288.93 1/288.93 3/495.2
n44444444444-444
d5/815.93/4193/4193/4197/822.27/822.27/822.2
1A4 1/41084 7/8123.84 7/8123.84 7/8123.85 7/8149.25 7/8149.26 1/4159
b9/1614.311/1617.511/1617.511/1617.51 1/828.61 1/828.61 3/834.9
D2250.8250.8250.8250.8250.8250.8250.8
D13 1/879.43 1/288.93 1/288.93 1/288.9410241024 1/4108
n44444444444444
d5/815.93/4193/4193/419125.4125.4125.4
1 1/4A4 5/8117.55 1/4133.45 1/4133.45 1/4133.46 1/41596 1/41597 1/4184.2
b5/815.93/41913/1620.613/1620.61 1/828.61 1/828.61 1/238.1
D22 1/263.52 1/263.52 1/263.52 1/263.52 1/263.52 1/263.52 1/263.5
D13 1/288.93 7/898.43 7/898.43 7/898.44 3/81114 3/81115 1/8130
n44444444444444
d5/815.93/4193/4193/419125.4125.41 1/828.6
1 1/2A51276 1/8155.66 1/8155.66 1/8155.67177.87177.88203
b11/1617.513/1620.67/822.27/822.21 1/431.81 1/431.81 3/444.5
D22 7/873 982 7/8732 7/8732 7/8732 7/8732 7/8732 7/873
D13 7/844 1/21144 1/21144 1/21144 7/81244 7/81245 3/4146
n44444444444444
d5/8. 15.97/822.27/822.27/822.21 1/828.61 1/828.61 1/431.8
2A6152.46 1/2165.16 1/2165.16 1/2165.18 1/2215.98 1/2215.99 1/4234.9
b3/4197/822.2125.4125.41 1/238.11 1/238.1250.8
D23 5/892.13 5/892.13 5/892.13 5/892.13 5/892.13 5/892.13 5/892.1
D14 3/41215127512751276 1/2165.16 1/2165.16 3/4171
n44888888888888
d3/4193/4193/4193/419125.4125.41 1/828.6
2 1/2A7177.87 1/2190.57 1/2190.57 1/2190.59 5/82449 5/824410 1/2266.7
b7/822.2125.41 1/828.61 1/828.61 5/841.31 5/841.32 1/457.2
D24 1/8104.84 1/8104.84 1/8104.84 1/8104.84 1/81054 1/81054 1/8105
D15 1/2139.75 7/8149.25 7/8149.25 7/8149.27 1/2190.57 1/2190.57 3/4197
n44888888888888
d3/4197/822.27/822.27/822.21 1/828.61 1/828.61 1/431.8

Cu-Ni 90/10 Flanges Bolting Length

150# Flange As Per ANSI B16.5 300# Flange As Per ANSI B16.5 600# Flange As Per ANSI B16.5
Normal Pipe Size # Studs And Bolts Diameter of Studs And Bolts Length Of Studs # Studs And Bolts Diameter of Studs And Bolts Stud Length # Studs And Bolts Diameter of Studs And Bolts Length Of Studs
1/16 RF RTJ 1/16 RF RTJ 1/4 RF RTJ
1/2 4 0.50 2-1/4 – 4 0.50 2-1/2 3 4 0.50 3 3
3/4 4 0.50 2-1/2 – 4 0.63 3 3-1/2 4 0.63 3-1/2 3-1/2
1 4 0.50 2-1/2 3 4 0.63 3 3-1/2 4 0.63 3-1/2 3-1/2
1-1/4 4 0.50 2-3/4 3-1/4 4 0.63 3-1/4 3-3/4 4 0.63 3-3/4 3-3/4
1-1/2 4 0.50 2-3/4 3-1/4 4 0.75 3-1/2 4 4 0.75 4-1/4 4-1/4
2 4 0.63 3-1/4 3-3/4 8 0.63 3-1/2 4 8 0.63 4-1/4 4-1/4
2-1/2 4 0.63 3-1/2 4 8 0.75 4 4-1/2 8 0.75 4-3/4 4-3/4
3 4 0.63 3-1/2 4 8 0.75 4-1/4 4-3/4 8 0.75 5 5
3-1/2 8 0.63 3-1/2 4 8 0.75 4-1/4 5 8 0.88 5-1/2 5-1/2
4 8 0.63 3-1/2 4 8 0.75 4-1/2 5 8 0.88 5-3/4 5-3/4
5 8 0.75 3-3/4 4-1/4 8 0.75 4-3/4 5-1/4 8 1.00 6-1/2 6-1/2
6 8 0.75 4 4-1/2 12 0.75 4-3/4 5-1/2 12 1.00 6-3/4 6-3/4
8 8 0.75 4-1/4 4-3/4 12 0.88 5-1/2 6 12 1.13 7-1/2 7-3/4
10 12 0.88 4-1/2 5 16 1.00 6-1/4 6-3/4 16 1.25 8-1/2 8-1/2
12 12 0.88 4-3/4 5-1/4 16 1.13 6-3/4 7-1/4 20 1.25 8-3/4 8-3/4
14 12 1.00 5-1/4 5-3/4 20 1.13 7 7-1/2 20 1.38 9-1/4 9-1/4
16 16 1.00 5-1/4 5-3/4 20 1.25 7-1/2 8 20 1.50 10 10
18 16 1.13 5-3/4 6-1/4 24 1.25 7-3/4 8-1/4 20 1.63 10-3/4 10-3/4
20 20 1.13 6-1/4 6-3/4 24 1.25 8 8-3/4 24 1.63 11-1/4 11-1/2
24 20 1.25 6-3/4 7-1/4 24 1.50 9 10 24 1.88 13 13-1/4

 

900# Flange As Per ANSI B16.5 1500# Flange As Per ANSI B16.5 2500# Flange As Per ANSI B16.5
Normal Pipe Size # Studs And Bolts Diameter of Bolts And Studs Stud Length # Studs And Bolts Diameter of Studs And Bolts Length Of Studs # Studs And Bolts Diameter of Studs And Bolts Length Of Studs
1/4 RF RTJ 1/4 RF RTJ 1/4 RF RTJ
1/2 4 0.75 4-1/4 4-1/4 4 0.75 4-1/4 4-1/4 4 0.75 4-3/4 4-3/4
3/4 4 0.75 4-1/2 4-1/2 4 0.75 4-1/2 4-1/2 4 0.75 5 5
1 4 0.88 5 5 4 0.88 5 5 4 0.88 5-1/2 5-1/2
1-1/4 4 0.88 5 5 4 0.88 5 5 4 1.00 6 6
1-1/2 4 1.00 5-1/2 5-1/2 4 1.00 5-1/2 5-1/2 4 1.13 6-3/4 6-3/4
2 8 0.88 5-3/4 5-3/4 8 0.88 5-3/4 5-3/4 8 1.00 7 7
2-1/2 8 1.00 6-1/4 6-1/4 8 1.00 6-1/4 6-1/4 8 1.13 7-3/4 8
3 8 0.88 5-3/4 5-3/4 8 1.13 7 7 8 1.25 8-3/4 9
4 8 1.13 6-3/4 6-3/4 8 1.25 7-3/4 7-3/4 8 1.50 10 10-1/4
5 8 1.25 7-1/2 7-1/2 8 1.50 9-3/4 9-3/4 8 1.75 11-3/4 12-1/4
6 12 1.13 7-1/2 7-3/4 12 1.38 10-1/4 10-1/2 8 2.00 13-1/2 14
8 12 1.38 8-3/4 8-3/4 12 1.63 11-1/2 11-3/4 12 2.00 15 15-1/2
10 16 1.38 9-1/4 9-1/4 12 1.88 13-1/4 13-1/2 12 2.50 19-1/4 20
12 20 1.38 10 10 16 2.00 14-3/4 15-1/4 12 2.75 21-1/4 22
14 20 1.50 10-3/4 11 16 2.25 16 16-3/4 – – – –
16 20 1.63 11-1/4 11-1/2 16 2.50 17-1/2 18-1/2 – – – –
18 20 1.88 12-3/4 13-1/4 16 2.75 19-1/2 20-3/4 – – – –
20 20 2.00 13-3/4 14-1/4 16 3.00 21-1/4 22-1/4 – – – –
24 20 2.50 17-1/4 18 16 3.50 24-1/4 25-1/2 – – – –

90/10 Copper Nickel Blind Flange Tolerance Formula

90/10 Copper Nickel FlangesTolerance Table
A O.D. (Outside Diameter)
  • When O.D. (Outside Diameter) is 24" or less: ±1/16" (1.6 millimeter)
  • When O.D. (Outside Diameter) is over 24": ±1/8" (3.2 millimeter)
D Inside Diameter (I.D.)
  • 10" and smaller: ±1/32" (0.8 mm)
  • 12" thru 18": +1/8" (3.2 mm)
  • 20" and larger: -1/16" (1.6 mm)
B Diameter of contact face
  • 1/16" raised face: ±1/32" (0.8 mm)
  • 1/4" RF (Raised Face), T/G (Tongue & Groove), (male & female), (m/f): ±1/64" (0.4 millimeter)
J Diameter of hub at base
  • When hub base is 24" or smaller: ±1/16" (1.6 millimeter)
  • When hub base is over 24": ±1/8" (3.2 millimeter)
H Diameter of hub at point of welding
  • 5" and smaller: +3/32" (2.4 mm), -1/32" (0.8 mm)
  • 6" and larger: +5/32" (4.0 mm), -1/32 (0.8 mm)
P Drilling
  • Circle Bolts: ±1/16" (1.6 mm)
  • Bolts hole spacing: ±1/32" (0.8 mm)
  Eccentricity of bolt circle with respect to facing
  • 2 1/2" and smaller ±1/32" (0.8 mm) maximum
  • 3" and larger ±1/16" (1.6 mm) maximum
C Thickness
  • 18" and smaller: ±1/8" (3.2 mm), -0"
  • 20" and larger: ±3/16" (4.8 mm), -0"
K Length of hub
  • 10" and smaller: ±1/16" (1.6 mm)
  • 12" and larger: ±1/8" (3.2 mm)

Copper Nickel Pipe Flanges Gasket Chart

Normal Pipe Size Gasket I.D. (Inside Daimeter)
 Gasket O.D. (Outside Daimeter)
150 LB 300 LB 400 LB 600 LB 900 LB
1/2 0.84 1.875 2.125 2.125 2.125 2.50
3/4 1.06 2.25 2.625 2.625 2.625 2.75
1 1.31 2.625 2.875 2.875 2.875 3.125
1 1/4 1.66 3 3.25 3.25 3.25 3.50
1 1/2 1.91 3.375 3.75 3.75 3.75 3.875
2 2.38 4.125 4.375 4.375 4.375 5.625
2 1/2 2.88 4.875 5.125 5.125 5.125 6.50
3 3.50 5.375 5.875 5.875 5.875 6.625
4 4.50 6.875 7.125 7.00 7.625 8.125
5 5.56 7.75 8.50 8.375 9.50 9.75
6 6.62 8.75 9.875 9.75 10.50 11.375
8 8.62 11 12.125 12.00 12.625 14.125
10 10.75 13.375 14.25 14.125 15.75 17.125
12 12.75 16.125 16.625 16.50 18.00 19.625


We Are Supplying Types Of 90/10 Copper Nickel Flanges To More Than 20 Locations Worldwide

90/10 Copper Nickel Reducing Flanges
90/10 Copper Nickel Reducing Flanges
B151 Cu-Ni 90/10 Orifice Flanges
B151 Cu-Ni 90/10 Orifice Flanges
Copper Nickel 90/10 Socket Weld Flange
Copper Nickel 90/10 Socket Weld Flange
90/10 Cu-Ni Spectacle Blind Flanges
90/10 Cu-Ni Spectacle Blind Flanges
ASME SB 151 Copper Nickel Blind Flange
ASME SB 151 Copper Nickel Blind Flange
UNS C70600 90/10 BLRF Flange
UNS C70600 90/10 BLRF Flange
Cu-Ni 90/10 Blind RTJ Flanges
Cu-Ni 90/10 Blind RTJ Flanges
Werkstoff Nr. 2.0872 Blind Slip Flange
Werkstoff Nr. 2.0872 Blind Slip Flange
C70600 Copper Nickel 90/10 Weld Neck Flange
C70600 Copper Nickel 90/10 Weld Neck Flange
C706 Copper Nickel Alloy WNRF Flange
C706 Copper Nickel Alloy WNRF Flange
ASTM B564 Cu-Ni 90/10 WN Flange
ASTM B564 Cu-Ni 90/10 WN Flange
90/10 Copper Nickel Long Neck Flange
90/10 Copper Nickel Long Neck Flange
B151 Cu-Ni 90/10 Slip On Flange
B151 Cu-Ni 90/10 Slip On Flange
Copper Nickel 90/10 SO Flange
Copper Nickel 90/10 SO Flange
90/10 Cu-Ni SORF Flange
90/10 Cu-Ni SORF Flange
ASME SB 151 Copper Nickel Slip On Blind Flange
ASME SB 151 Copper Nickel Slip On Blind Flange


An Oldest 90/10 Copper Nickel Flanges Manufacturer In India, Recently Shipped To The Following Countries:

Class 150, 4 Inch, SCH 10, Copper Nickel Flanges Singapore, South Africa, Bahrain
PN16, DN80, EN1092-2, RF, Copper Nickel Slip On Flanges Iran, Chile, Singapore, Italy
Class 600, RF, STD, DN 200, Forged, Copper Nickel Pipe Flanges Norway, Turkey, United Arab Emirates (UAE), Malaysia
AMSE B16.5, SCH 30S, 2 Inch, ASTM B151 Cu-Ni 90/10 Flanges Malaysia, Europe, United Kingdom -UK, UAE
ASME B16.5, 900LB, 90/10 Copper Nickel Blind Flange Belgium, Philippines, Dammam -KSA, Indonesia.
BS 10 Class D, 16 Inch, STD Bore, 90/10 Cu-Ni Slip On Flanges Thailand, Europe, Qatar, France.
Class 1500, ANSI B16.5, 2 Inch, RF, Copper Nickel 90/10 Weld Neck Flange Thailand, Germany, Malaysia, Czechia
300LB, SCH 20, 4 Inch, Raised Face, ASME SB 151 Copper Nickel Socket Weld Flanges Bangladesh, Malaysia, Finland, USA
8 Inch, Class 300, C70600 90/10 Orifice Flange UK, Australia, Philippines, Nigeria
SCH 120, RF, 12 Inch, Class 2500, Cu-Ni 90/10 Spectacle Blind Flanges UK, Mexico, Egypt, Spain
2500 LB, ASA B16.5, RF, 6 Inch, UNS C70600 Reducing Flanges Ellington -United States, Poland, UK, Canada
16 Inch, RF, ASME B16.47, Werkstoff Nr. 2.0872 Flat Face Flanges Malaysia, Philippines, Canada, Singapore
Class 150 To 2500, 18 Inch, RF, Cu-Ni 90/10 Raised Face Flanges Romania, Europe, Japan, Malaysia
RF, STD, API 6, DN 200, 20 Inch, 600#, Cupro Nickel 90/10 Flanges China, Malaysia, Sweden, Colombia
150 LB, 10 Inch, SCH 20, RF, C70600 Copper Nickel "90/10" Flanges UAE, Hong Kong, Oman, Malaysia
Class 150, 4 Inch, SCH 10, Cupro Nickel Flanges Singapore, South Africa, Bahrain
8 Inch, Class 300, Copper Nickel Pipe Flanges UK, Australia, Philippines, Nigeria
150 LB, 10 Inch, SCH 20, RF, Cu-Ni Flanges UAE, Hong Kong, Oman, Malaysia
PN16, DN80, EN1092-2, RF, Cu-Ni 90/10 Plate Flange Iran, Chile, Singapore, Italy
Class 600, RF, STD, DN 200, Copper Nickel 90-10 Long Weld Neck Flanges Norway, Turkey, United Arab Emirates (UAE), Malaysia