Copper Nickel Flanges

Copper Nickel Flanges

Sizes in Stock
Sizes in Stock NPS:1/2" to 48" SCH: Sch 5 to XXS
Flanges Class
Copper Nickel Flanges Class : 150#, 300#, 600#, 900#, 1500#, 2500#
Flanges Pressure
Copper Nickel Alloy Flanges Pressure: PN6, PN10, PN16, PN25, PN40, PN64
Flanges Process
Cupro Nickel Flanges Process: Forging, Rolling, Casting
European & American Standard
European & American Standard: ASTM B151, ASME SB151
Flanges Face
Cunifer Flanges Face: RF, FF, RTJ
Delivery Time
Delivery Time: Brazil : 45-60 Days Argentina : 45 Days
Manufacturing Standard
Cupro Nickel Flanges Manufacturing Standard:MSS SP44, ASME B16.5, B16.47 Series A & B
brand
Brand: SMT
Origin
Origin: Indian, European, Japanese
MTC Certificate
MTC Certificate: EN 10204 3.1 and 3.2
mail
sales@siddhagirimetals.com
Copper Nickel Flanges Specification

 

Cupro Nickel Blind Flange Manufacturer in Mumbai in Various Grades With Custom Size

Cupro Nickel Blind Flange Grades

Grades UNS
Copper Nickel 90/10 C70600
Copper Nickel 70/30 C71500

 

Cupro Nickel Blind Flange

Cupro Nickel Blind Flange

Cuni Weld Neck Flange

Cuni Weld Neck Flange

Cunifer Socket Weld Flange

Cunifer Socket Weld Flange

 

Siddhagiri Metals & Tubes

Table of Content

Copper Nickel Flanges Specification

Standard Sizes

Copper Nickel Flanges Standard Sizes

  • Schedule :Sch 5 to XXS
  • NPS:1/2" to 48"
  • Class:150 to 2500#
Face

Copper Nickel Slip On Flange Face

  • FF
  • RF
  • RTJ
Thread

Cupro Nickel Weld Neck Flange Thread

  • FNPT, NPT
  • BSPT
  • MNPT
  • BSPP
Testing

Cuni Threaded Flange Testing

  • Pressure
  • Tensile
  • PMI
  • Hardness test
Supporting Material

Cunifer Socket Weld Flange Supporting Material

  • Gaskets
  • Flange Bolts
  • Ring Joint
Physical Properties

Cu Ni Lap Joint Flanges Physical Properties

  • Density: ~8.94
  • Melting Point: ~1090 – 1145 °C
  • Temprature Range:Up to 400°C

Standards

Cuni Threaded Flange Standards

  • ASTM B152
  • ASME SB151

Origin

Nickel Copper Alloy Orifice Flanges Origin

  • Japanese
  • Indian, Korean
  • European, American
Fulfill

Cu-Ni Ring Type Joint Flange Fulfill

  • NACE MR0175/ MR0103
  • ISO 15156
  • Sour service
Process

Cuni Alloy Plate Flange Process

  • Forging
  • Casting
  • Rolling
Surface Finish

Copper Nickel Alloy Blind Flanges Surface Finish

  • Spiral/Concentric
  • Mirror, Serrated
  • Smooth
Types

Copper Nickel Flanges Types

  • Blind
  • Weld Neck
  • Slip On etc.

Documentation

Cu-Ni Ring Type Joint Flange Documentation

  • MTC
  • 100% Radiography Test Report
  • Third Party Inspection

Dimensional Standards

Cuni Alloy Plate Flange Dimensional Standards

  • ASME B16.47 Series A & B
  • MSS SP44
  • ASME B16.5
Application

Copper Nickel Slip On Flange Application

  • Marine and Offshore
  • Chemical and Petrochemical
  • Power Generation
  • Oil and Gas
Packaging

Cuni Threaded Flange Packaging

  • Bubble Wrap
  • Plastic Bags
  • Anti-tarnish Paper
  • Plastic Wrap

Stock and Supply Cuni Weld Neck and Slip On Flange With Sch 5 to XXS

Cuni Weld Neck Flange Pressure Rating

Nominal Pipe Size Class #300 Class #150 Class #600 Class #2500 Class #1500 Class #900
Weld Neck Slip on Blind Weld Neck Slip on Blind Weld Neck Slip on Blind Weld Neck Slip on Blind Weld Neck Slip on Blind Weld Neck Slip on Blind
1/2" 2 1 1 2 1 1 2 2 2 7 7 7 5 4 4 1500# WEIGHTS
3/4" 3 3 3 2 2 2 4 3 3 8 8 8 6 5 6
1" 4 3 3 3 2 2 4 4 4 12 11 11 9 8 8
1 1/2" 7 6 6 4 3 3 8 7 8 25 22 23 13 12 13
2" 9 7 8 6 5 5 12 9 10 42 37 39 25 25 25
2 1/2" 12 10 12 8 7 7 18 13 15 52 55 56 36 36 35
3" 15 13 16 10 8 9 23 16 20 94 83 86 48 48 48 31 26 29
4" 25 22 27 15 13 17 42 37 41 145 125 130 73 73 73 53 53 54
5" 32 28 35 19 15 20 68 63 68 245 210 225 130 130 140 86 83 87
14" 180 165 250 110 90 140 280 230 355 NA NA NA 940 NA 975 400 400 520
16" 250 190 295 140 98 180 390 330 495 NA NA NA 1250 NA 1300 495 425 600
20" 400 315 505 180 165 285 590 510 810 NA NA NA 2050 NA 2225 830 730 1075
8" 67 58 81 39 30 45 120 115 140 580 485 530 275 260 300 175 170 200
6" 42 39 50 24 19 26 81 80 86 380 325 345 165 165 160 110 110 115
10" 91 81 124 52 43 70 190 170 230 1075 930 1025 455 435 510 260 245 290
18" 320 250 395 150 130 220 475 400 630 NA NA NA 1625 NA 1750 680 600 850
12" 140 115 185 80 64 110 225 200 295 1525 1100 1300 690 580 690 325 325 415
24" 580 475 790 260 220 430 830 730 1250 NA NA NA 3325 NA 3625 1500 1400 2025
22" 465 370 640 225 185 355 720 590 1000 NA NA NA NA NA NA NA NA NA

Standard of CUNI Flange

Types ASME DIN EEMUA
Solid Socket Welding Flanges B16.5 – –
Threaded Welding Flanges B16.5 – –
Composite Slip On Inner Flanges – DIN 86036 145
Solid Blind Flanges B16.5 – –
Composite Weld Neck Inner Flanges – DIN 86037 145
Solid Weld Neck Flanges B16.5 DIN 2632 145
Solid Slip On Flanges B16.5 DIN 86033 145

Working Pressures of Copper Nickel Plate Flanges

Temp., °C Working Pressures by Classes, bar
- 150 300 400 600 900 1500 2500
-29 ~ 38 20.0 51.7 68.9 103.4 155.1 258.6 430.9
50 19.5 51.7 68.9 103.4 155.1 258.6 430.9
200 13.8 48.6 64.8 97.2 145.8 243.4 405.4
250 12.1 46.30 61.7 92.7 139.0 231.8 386.2
300 10.2 42.9 57.0 85.7 128.6 214.4 357.1
325 9.3 41.4 55.0 82.6 124.0 206.6 344.3
100 17.7 51.5 68.7 103.0 154.6 257.6 429.4
375 7.4 38.9 51.6 77.6 116.5 194.1 323.2
475 3.7 31.7 42.3 63.4 95.1 158.2 263.9
500 2.8 28.2 37.6 56.5 84.7 140.9 235.0
538 1.4 16.5 22.1 33.1 49.6 82.7 137.9
550 - 13.9 18.6 27.9 41.8 69.7 116.2
400 6.5 36.5 48.9 73.3 109.8 183.1 304.9
425 5.5 35.2 46.5 70.0 105.1 175.1 291.6
450 4.6 33.7 45.1 67.7 101.4 169.0 281.8
150 15.8 50.3 66.8 100.3 150.6 250.8 418.2
350 8.4 40.3 53.6 80.4 120.7 201.1 335.3
575 - 9.4 12.6 18.9 28.3 47.2 78.6
600 - 6.6 8.9 13.3 19.9 33.2 55.3
625 - 5.1 6.8 10.3 15.4 25.7 42.8
650 - 4.7 6.3 9.5 14.2 23.6 39.4

See Where You Can Find Material Ex Stock

Tunisia Kenya Gabon Houston Morocco Dubai
Oman South Africa Nigeria Mozambique Abu Dhabi USA
Al Jubail Riyadh Dammam Al-khobar Saudi Arabia UAE
Tanzania Ethiopia Egypt Zambia Angola Ghana
Carolina Indiana Texas California New South Wales Algeria

Copper Nickel Flange Dimensions

NPS Number of Bolts Holes Minimum (Wall Thickness) (T) (O.D.) For Outside Diameter Diameter of Raised Face (RF) (R) Dia. of Holes B.C. For (Bolt Circle) WNRF Bore I.D. (WB) SORF Bore I.D. (SB) Diameter of Hub Top (H.T.) Diameter of Hub Base (H.B.) WNRF Length (W.L.) SORF Length (S.L.)
11⁄4 4 0.56 4.62 2.50 0.62 3.50 1.38 1.70 1.66 2.31 2.19 0.75
11⁄2 4 0.62 5.00 2.88 0.62 3.88 1.61 1.95 1.90 2.56 2.38 0.81
2 4 0.69 6.00 3.62 0.75 4.75 2.07 2.44 2.38 3.06 2.44 0.94
21⁄2 4 0.81 7.00 4.12 0.75 5.50 2.47 2.94 2.88 3.56 2.69 1.06
3 4 0.88 7.50 5.00 0.75 6.00 3.07 3.57 3.50 4.25 2.69 1.12
31⁄2 8 0.88 8.50 5.50 0.75 7.00 3.55 4.07 4.00 4.81 2.75 1.19
1⁄2 4 0.38 3.50 1.38 0.62 2.38 0.62 0.88 0.84 1.19 1.81 0.56
3⁄4 4 0.44 3.88 1.69 0.62 2.75 0.82 1.09 1.05 1.50 2.00 0.56
1 4 0.50 4.25 2.00 0.62 3.12 1.05 1.36 1.32 1.94 2.12 0.62
4 8 0.88 9.00 6.19 0.75 7.50 4.03 4.57 4.50 5.31 2.94 1.25
5 8 0.88 10.00 7.31 0.88 8.50 5.05 5.66 5.56 6.44 3.44 1.38
6 8 0.94 11.00 8.50 0.88 9.50 6.07 6.72 6.63 7.56 3.44 1.50
8 8 1.06 13.50 10.62 0.88 11.75 7.98 8.72 8.63 9.69 3.94 1.69
10 12 1.12 16.00 12.75 1.00 14.25 10.02 10.88 10.75 12.00 3.94 1.88
12 12 1.19 19.00 15.00 1.00 17.00 12.00 12.88 12.75 14.38 4.44 2.12
14 12 1.31 21.00 16.25 1.12 18.75 13.25 14.14 14.00 15.75 4.94 2.19
16 16 1.38 23.50 18.50 1.12 21.25 15.25 16.16 16.00 18.00 4.94 2.44
18 16 1.50 25.00 21.00 1.25 22.75 17.25 18.18 18.00 19.88 5.44 2.62
20 20 1.62 27.50 23.00 1.25 25.00 19.25 20.20 20.00 22.00 5.62 2.81
22 20 1.75 29.50 25.25 1.38 27.25 21.25 22.22 22.00 24.25 5.82 3.07
24 20 1.81 32.00 27.25 1.38 29.50 23.25 24.25 24.00 26.12 5.94 3.19

Copper Nickel Flange Weight Chart

Standard Diameter Class Number of Bolts Bolt Circle Diameter Diameter of Bolt Hole Bolt Size
AS4087 Flanges 95 PN14 Flanges 4 67 14 M12
ANSI B16.5 Flanges 89 ANSI 150 Flanges 4 60 16 13
95 ANSI 300 Flanges 4 67 16 13
95 ANSI 600 Flanges 4 67 16 13
121 ANSI 900 Flanges 4 83 22 19
121 ANSI 1500 Flanges 4 83 22 19
AS 2129 Flange 95 Table C Flanges 4 67 14 13
95 Table D Flanges 4 67 14 13
95 Table E Flanges 4 67 14 13
95 Table F Flanges 4 67 14 13
114 Table H Flanges 4 83 17 16
114 Table J Flanges 4 83 17 16
ISO 7005 (DIN) Flange 80 PN6 Flanges 4 55 11 M10
95 PN10 Flanges 4 65 14 M12
95 PN16 Flanges 4 65 14 M12
90 PN20 Flanges 4 60.5 16 M14
95 PN25 Flanges 4 65 14 M12
95 PN40 Flanges 4 65 14 M12

How are Cu-Ni flanges typically joined to piping systems?

  • Welded Joint
  • Stub End with Lap Joint Flange
  • Brazed Joint
  • Mechanical Joints

 

Offer Cunifer Socket Weld Flange With Array Of Pressure Class 150 to 2500 At Fair Price

Cunifer Socket Weld Flange Price

The best deal on ASTM-certified Copper Nickel Flanges, Find Out More Here

 

Get BSPP and NPT Thread Cu Ni Threaded Flange With Mirror and Spiral Surface Finish

Cu Ni Threaded Flange Surface Finish

Surface Finish Roughness (Ra) µm AARH Equivalent
Smooth Machined ~3.2 ~125 AARH
Serrated (Spiral/Concentric) 3.2–6.3 125–250 AARH
Mirror Polished <0.8 <32 AARH

A Copper Nickel Flanges Supplier of excellence—delivering consistent quality across every shipment.

Copper Nickel Flanges Types

Cuni Lap Joint Flanges

Cuni Lap Joint Flanges

Cuni Alloy Threaded Flanges

Cuni Alloy Threaded Flanges

Cu Ni Tongue and Groove Flanges

Cu Ni Tongue and Groove Flanges

Nickel Copper Alloy Spectacle Flanges

Nickel Copper Alloy Spectacle Flanges

 

Cu-Ni Orifice Flanges

Cu-Ni Orifice Flanges

Copper Nickel Slip On Flanges

Copper Nickel Slip On Flanges

Copper Nickel Alloy Plate Flange

Copper Nickel Alloy Plate Flange

Cupro Nickel Ring Type Joint Flange

Cupro Nickel Ring Type Joint Flange

 

Copper Nickel Lap Joint Flange Temperature

Temperature (in F°) Class 150 Class 300
< 100 285 740
200 260 680
300 230 655
400 200 635
500 170 605
600 140 570
650 125 550
700 110 530
750 95 505
800 80 410
850 65 320
900 50 230
950 35 135
1000 20 85

What gasket materials are compatible with Cu-Ni flange surfaces?

Gasket Materials are Compatible with Cu-Ni Flange

 

What precautions should be taken when welding Cu-Ni flanges?

  • Use the Correct Filler Metal
  • Cleanliness is Critical
  • Preheat and Interpass Temperature Control
  • Use Proper Shielding Gas
  • Back Purging
  • Use Stringer Beads
  • Avoid Fast Cooling
  • Inspect Welds Properly

Cu Ni Flanges Gasket Chart

NPS Gasket (I.D.) Gasket (O.D.)
#150LB #300LB #400LB #600LB #900LB
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
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
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 1/2" 1.91 3.375 3.75 3.75 3.75 3.875
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
2 1/2" 2.88 4.875 5.125 5.125 5.125 6.50
2" 2.38 4.125 4.375 4.375 4.375 5.625
10" 10.75 13.375 14.25 14.125 15.75 17.125
5" 5.56 7.75 8.50 8.375 9.50 9.75
12" 12.75 16.125 16.625 16.50 18.00 19.625

Reliable Copper Nickel Flanges Supplier with a commitment to innovation and product integrity.

Fabrication Properties of Nickel Copper Alloy Plate Flange

Joining Technique Suitability
Soldering Excellent
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Good
Gas Shielded Arc Welding Excellent
Coated Metal Arc Welding Good
Spot Weld Good
Butt Weld Excellent
Machinability Rating 20
Seam Weld Good
Brazing Excellent
Oxyacetylene Welding Fair

Copper-Nickel Socket Weld Commercial Flange Dimensions

Copper-Nickel Socket Weld Commercial Flange Dimensions

 

 

Nominal Pipe Size A d F Bolt Circle Hole Diameter Number of Holes Weight 70-30 Part Number 90-10 Part Number
1/2 3.50 0.438 0.880 2.375 5/8 4 1 58 1242 580945
3/4 3.875 0.500 1.090 2.75 5/8 4 2 58 1250 581145
1 4.25 0.563 1.355 3.125 5/8 4 2 58 1349 581153
1 1/4 4.625 0.625 1.700 3.50 5/8 4 3 58 1357 581161
1 1/1 5.00 0.688 1.950 3.875 3/4 4 4 58 1365 581179
2 6.00 0.750 2.440 4.75 3/4 4 6 58 1373 581187
2 1/2 7.00 0.875 2.940 5.50 3/4 4 9 58 1381 581195
3 7.50 0.938 3.570 6.0 3/4 4 11 58 1399 581200
4 9.00 0.938 4.570 7.5 3/4 8 14.5 58 1404 581218
5 10.0 0.938 5.660 8.5 7/8 8 17 58 1412 581226
6 11.0 1.0 6.720 9.5 7/8 8 20 58 1420 581234

Cupro Nickel Flanges Bolting Length

Size in (Inches) Number of Bolts Size in (mm) Bolt (UNC) Size Stud (ISO) Size RF (Raised Face) Stud Length Machine Flange Bolt Length
1 4 25 1/2 M14 65 55
1 1/4 4 32 1/2 M14 70 55
1 1/2 4 40 1/2 M14 70 65
2 4 50 5/8 M16 85 70
2 1/2 4 65 5/8 M16 90 75
3 4 80 5/8 M16 90 75
1/2 4 15 1/2 M14 55 50
14 12 350 1 M27 135 115
3/4 4 20 1/2 M14 65 50
4 8 100 5/8 M16 90 75
5 8 125 3/4 M20 95 85
6 8 150 3/4 M20 100 85
16 16 400 1 M27 135 115
18 16 450 1 1/8 M30 145 125
20 20 500 1 1/8 M30 160 140
24 20 600 1 1/4 M33 170 150
8 8 200 3/4 M20 110 90
10 12 250 7/8 M24 115 100
3 1/2 8 90 5/8 M16 90 75
12 12 300 7/8 M24 120 100

Top-quality Copper Nickel Flanges Supplier in India, ensuring seamless delivery and superior product resistance.

Cu-Ni Flanges Torque Values

Flanges Size in (Inches) Flanges Size in (mm) Radial Projection (Maximum)
No Deeper Than the Bottom In mm Deeper Than the Bottom In mm
2 50 3.0 1.5
8 200 8.0 4.5
10 250 8.0 4.5
1 25 3.0 1.5
1 1/4 32 3.0 1.5
1 1/2 40 3.0 1.5
6 150 6.0 3.0
5 125 6.0 3.0
12 300 8.0 4.5
3 1/2 90 6.0 3.0
4 100 6.0 3.0
2 1/2 65 3.0 1.5
3 80 4.5 1.5
1/2 15 3.0 1.5
3/4 20 3.0 1.5
14 350 8.0 4.5
16 400 10.0 4.5
18 450 12.0 6.0
20 500 12.0 6.0
24 600 12.0 6.0

Features of Copper Flange

  • Corrosion Resistance
  • High Strength
  • Versatility
  • Longevity
  • Compatibility

 

Buy Copper Nickel Alloy Plate Flange With RF, RTJ, FF Face Ideal For Corrosive Environments

Face Types of Copper Nickel Flanges

Types of Flanges Faces DIN And EN 1092-1
DIN2512 Tongue Flanges Form C
(RF) For Raised Face Form B1
(RF) For Raised Fac Form B2
Without (RF) Raised Face Form A
DIN 2512 Groove Flanges Form D
(RF) For Raised Face Form B1
DIN 2513 Female Flanges Form F
DIN 2513 Male Flanges Form E

Applications of Copper-Nickel Plate Flanges

Siddhagiri Metals is a leading Copper Nickel Flanges Manufacturer in India, supplying high-quality components for various applications.

 

Applications of Copper-Nickel Plate Flanges

 

Copper Nickel Flanges Equivalent Grades

STANDARD UNS WERKSTOFF NR.
Copper Nickel 90/10 C70600 2.0872
Copper Nickel 70/30 C71500 2.0882

Chemical Composition of Copper Nickel Pipe Flanges

Grade Ni Fe Mn Pb Cu Zn
Cu-Ni 90-10 9-11 max 1.8 max 1.0 max .05 max 88.6 min 1 max
Cu-Ni 70-30 29-33 0.4-1.0 1 max .05 max 65.0 min 1 max

Mechanical Properties of ASTM B152 Copper Nickel Plate Flanges

Element Yield Strength (0.2%Offset) Tensile Strength Elongation
Copper Nickel 90-10 / 70-30 20000 psi 50000 psi 30 %

Cupro Nickel Threaded Flange Physical Properties

Element Density Melting Point
Copper Nickel 90-10 / 70-30 0.323 lb/in3 at 68 F 2260 F

Weekly Delivery of Copper Nickel Flanges in below countries:

Export to Continent Shipping time
Oman
Oman		 Asia 5 Days
USA
USA		 North America 40-60 Days
UAE
UAE		 Asia 5 Days
Italy
Italy		 Europe 30 Days

Monthly Delivery of Copper Nickel Flanges in below countries:

Export to Continent Shipping time
Morocco
Morocco		 Africa 45 Days
Peru
Peru		 South America 45 Days
Algeria
Algeria		 Africa 45 Days
Bahrain
Bahrain		 Asia 9 Days

 

Additional service : Small quantity | Custom order | hard to find items | Sourcing from other countries

Siddhagiri Metals & Tubes

Why Siddhagiri Metals & Tubes ?

  • PED 2014/68/ EU Approved Manufacturer for Steel Forgings.
  • Stockist, Wholesaler, Retailer and Trader of Steel Bars, Bolts and Nuts, Machined Components in Nickel Alloys, High Temperature Alloys, Super Alloys
  • Rank in Top 5 Exporter of Nickel Alloy Forgings in India and 73rd Position in Asia As Per Import and Export data of 2022
  • Supplying Oil and Gas Piping Products As Per Standard NACE MR0175 / ISO 15156 to the Netherlands, Tunisia, South Africa, Azerbaijan, Saudi Arabia, Alzeria, Morocco and Egypt Since 2002.
  • India's Largest Importer and Stockholder of Bolting Accessories in Ferrous and Non Ferrous Metals.

 

Let Us Know What You Need

We Cherish All Your Requirements

Contact Us