A Copper Nickel Flange is a vital component in various industrial applications, known for its exceptional corrosion resistance and durability. It is crafted from a combination of copper and nickel, typically in a ratio of 90% copper and 10% nickel, though other ratios are also used depending on the specific application.
One of the primary advantages of using copper nickel for flanges is its remarkable resistance to corrosion, particularly in marine environments. The alloy can withstand the corrosive effects of saltwater, making it an ideal choice for applications such as shipbuilding, offshore oil platforms, and desalination plants. Its resistance to biofouling, the accumulation of marine organisms on surfaces, further enhances its suitability for marine applications.
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Copper nickel flanges are also favored for their excellent thermal conductivity and ductility. These properties make them an excellent choice for heat exchangers, where they can efficiently transfer heat between different fluids. Additionally, the alloy’s malleability allows it to be easily formed and welded, making it a versatile material for various fabrication processes.
Copper nickel flanges come in a range of sizes and pressure ratings to suit specific needs. They can be manufactured to meet various international standards, such as ASTM, DIN, and JIS, ensuring compatibility with a wide range of piping and equipment. The flanges are available in various types, including weld neck, slip-on, blind, and socket weld, to accommodate different installation requirements.
When used in conjunction with copper nickel pipes and fittings, these flanges create a highly reliable and long-lasting piping system that can withstand the harshest conditions. The combination of corrosion resistance, thermal conductivity, and malleability makes copper nickel flanges an integral part of critical infrastructure, such as seawater desalination plants, chemical processing facilities, and power generation plants.
Specifications | ASTM B151M / ASME SB151 |
Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
Size | 1/2″ 36″ |
Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
STOCKIST & SUPPILERS FOR COPPER NICKEL Flanges IN INDIA, CUSTOM SIZES Cu-NI SORF, WNRF, Blind Flanges AS PER CLIENT REQUIREMENT
STANDARD | WERKSTOFF NR. | UNS |
Copper Nickel 90/10 | 2.0872 | C70600 |
Copper Nickel 70/30 | 2.0882 | C71500 |
Size in Inch | RF Dia. | Size in mm | Machine Bolt Length | Flange Thickness | ISO Stud Size | PCD | No of Bolts | Bolt Size UNC | Outer Dia. | RF Height | RF Stud Length | Hole Size | Weight in kg |
C | B | E | A | D | |||||||||
1/2 | 34.9 | 15 | 50 | 9.6 | M14 | 60.3 | 4 | 1/2 | 90 | 2 | 55 | 5/8 | 0.9 |
1 | 50.8 | 25 | 55 | 12.7 | M14 | 79.4 | 4 | 1/2 | 110 | 2 | 65 | 5/8 | 0.9 |
1 1/4 | 63.5 | 32 | 55 | 14.3 | M14 | 88.9 | 4 | 1/2 | 115 | 2 | 70 | 5/8 | 1.4 |
3/4 | 42.9 | 20 | 50 | 11.2 | M14 | 69.9 | 4 | 1/2 | 100 | 2 | 65 | 5/8 | 0.9 |
1 1/2 | 73 | 40 | 65 | 15.9 | M14 | 98.4 | 4 | 1/2 | 125 | 2 | 70 | 5/8 | 1.8 |
2 | 92.1 | 50 | 70 | 17.5 | M16 | 120.7 | 4 | 5/8 | 150 | 2 | 85 | 3/4 | 2.3 |
3 | 127 | 80 | 75 | 22.3 | M16 | 152.4 | 4 | 5/8 | 190 | 2 | 90 | 3/4 | 4.1 |
3 1/2 | 139.7 | 90 | 75 | 22.3 | M16 | 177.8 | 8 | 5/8 | 215 | 2 | 90 | 3/4 | 5.9 |
4 | 157.2 | 100 | 75 | 22.3 | M16 | 190.5 | 8 | 5/8 | 230 | 2 | 90 | 3/4 | 7.7 |
5 | 185.7 | 125 | 85 | 22.3 | M20 | 215.9 | 8 | 3/4 | 255 | 2 | 95 | 7/8 | 9.1 |
2 1/2 | 104.8 | 65 | 75 | 20.7 | M16 | 139.7 | 4 | 5/8 | 180 | 2 | 90 | 3/4 | 3.2 |
6 | 215.9 | 150 | 85 | 23.9 | M20 | 241.3 | 8 | 3/4 | 280 | 2 | 100 | 7/8 | 11.8 |
8 | 269.9 | 200 | 90 | 27 | M20 | 298.5 | 8 | 3/4 | 345 | 2 | 110 | 7/8 | 20.5 |
10 | 323.8 | 250 | 100 | 28.6 | M24 | 362 | 12 | 7/8 | 405 | 2 | 115 | 1 | 32 |
12 | 381 | 300 | 100 | 30.2 | M24 | 431.8 | 12 | 7/8 | 485 | 2 | 120 | 1 | 50 |
14 | 412.8 | 350 | 115 | 33.4 | M27 | 476.3 | 12 | 1 | 535 | 2 | 135 | 1 1/8 | 64 |
16 | 469.9 | 400 | 115 | 35 | M27 | 539.8 | 16 | 1 | 595 | 2 | 135 | 1 1/8 | 82 |
18 | 533.4 | 450 | 125 | 38.1 | M30 | 577.9 | 16 | 1 1/8 | 635 | 2 | 145 | 1 1/4 | 100 |
20 | 584.2 | 500 | 140 | 41.3 | M30 | 635 | 20 | 1 1/8 | 700 | 2 | 160 | 1 1/4 | 130 |
24 | 692.2 | 600 | 150 | 46.1 | M33 | 749.3 | 20 | 1 1/4 | 815 | 2 | 170 | 1 3/8 | 196 |
Size (in) | Number of Bolt Holes | Flange Diameter (in) | Bolt Circle Diameter (in) | Flange Thickness (in) | Bolt Hole Diameter (in) | Approx Weight (lbs) | Bore |
---|---|---|---|---|---|---|---|
1/2 | 4 | 3.5 | 2.38 | 0.44 | 0.63 | 1.2 | Sch 40 (Std) |
3/4 | 4 | 3.88 | 2.75 | 0.5 | 0.63 | 1.7 | Sch 40 (Std) |
1 | 4 | 4.25 | 3.13 | 0.56 | 0.63 | 2.2 | Sch 40 (Std) |
1-1/4 | 4 | 4.63 | 3.5 | 0.63 | 0.63 | 2.9 | Sch 40 (Std) |
1-1/2 | 4 | 5 | 3.88 | 0.69 | 0.63 | 3.7 | Sch 40 (Std) |
2 | 4 | 6 | 4.75 | 0.75 | 0.75 | 5.7 | Sch 40 (Std) |
2-1/2 | 4 | 7 | 5.5 | 0.88 | 0.75 | 9 | Sch 40 (Std) |
3 | 4 | 7.5 | 6 | 0.94 | 0.75 | 10.5 | Sch 40 (Std) |
3-1/2 | 8 | 8.5 | 7 | 0.94 | 0.75 | 13 | Sch 40 (Std) |
4 | 8 | 9 | 7.5 | 0.94 | 0.75 | 14.2 | Sch 40 (Std) |
5 | 8 | 10 | 8.5 | 0.94 | 0.88 | 16 | Sch 40 (Std) |
6 | 8 | 11 | 9.5 | 1 | 0.88 | 19.4 | Sch 40 (Std) |
8 | 8 | 13.5 | 11.75 | 1.13 | 0.88 | 31.3 | Sch 40 (Std) |
10 | 12 | 16 | 14.25 | 1.19 | 1 | 42.3 | Sch 40 (Std) |
12 | 12 | 19 | 17 | 12.88 | 1 | 69.6 | Sch 40 (Std) |
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 |
Cu-Ni 70-30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Copper Nickel 90-10 / 70-30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
We Serve Application Industry
Flanges applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
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