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Copper nickel flanges

Copper nickel flanges specifications

CUNI blind flanges supplier in Mumbai, to check benefits browse with us

Cupro nickel flange

Cupro nickel flange

Copper nickel blind flange

Copper nickel blind flange

Cuni slip on flange

Cuni slip on flange

Cunifer weld neck flange

Cunifer weld neck flange


Copper nickel flanges specification

Material Size Pressure class
  • CuNi10Fe1
  • 6Mn
  • EEMUA 145 UNS 7060X
  • 1/2" - 48"
  • 150 to 2500
Standard Pressure ratings ASME standard
  • DIN 86036
  • EEMUA 145
  • DIN 86037
  • 10bar
  • 14bar
  • 16bar
  • 20bar
  • ASME B16.5
  • ASME B16.47
Face types Test certificates Origin
  • Raised Face
  • Flat Face
  • Ring Type Joint
  • EN 10204/3.1B
  • 100% Radiography
  • Raw Materials
  • Third Party Inspection
  • Indian
  • West Europe
  • Japan
  • USA
  • Korean
Production technique Coating methods Types
  • Forged
  • Heat treated
  • machined
  • Anti rust painting
  • Oil varnished
  • Electric zinc coated
  • Alloy material caoted
  • Blind flanges
  • Weld neck flanges
  • Slip on flanges
  • Socket weld flanges
  • Threaded flanges
  • Lap joint flanges
  • Spectacle blind flanges
  • Forged flanges
  • Plate flanges

We offer high quality copper nickel weld neck flange for your applications, also check varoius surface finishes of cuni slip on flanges

Cunifer slip on flange surface options


Stock Finish Smooth Finish
Spiral Serrated Concentric Serrated

Cuni flange types


Copper Nickel Threaded Flange

Copper Nickel Threaded Flange

Cuni Blind Flange

Cuni Blind Flange

Cuni Stub End Flange

Cuni Stub End Flange

Cunifer weld neck flange

Cunifer weld neck flange

Looking for premium quality of cupro nickel socket weld flanges? visit us and get free sample of cunifer flanges, view testing methods here

Copper nickel socket weld flanges testing methods


Copper nickel socket weld flanges testing methods

We are reliable copper nickel threaded flanges manufacturer in India, check manufacturing process of cuni forged flanges below

Cupro nickel forged flange manufacturing process


Cupro nickel forged flange manufacturing process

Cuni blind flange chemical composition


Grade Mn Cu Pb Fe Ni Zn
90/10 1.0 max 88.6 min 0.5 max 1.8 max 9-11 max 1 max
70/30 1 max 65.0 min 0.5 max 0.4-1.0 29-33 1 max

Copper nickel slip on flanges mechanical properties


Grade Melting point Density Tensilestrength Elongation Yieldstrength(0.2%Offset)
90/10 2260°F 8.8g/cm3 50000 PSi 30% 20000PSi
70/30 2260°F 0.323 lb/in3 at 68°F 50000 PSi 30% 20000PSi
View equivalent grades and applications of cunifer forged flanges, call us anytime!

Cuni forged ring applications

  • Marine environment
  • Power plants
  • Aerospace industries
  • Offshore units
  • Desalination plants
  • Automotive
  • Oil platforms
  • Electric

Copper nickel weld neck flange equivalent grade


Grade UNS Werkstoff Nr.
90/10 C70600 2.0872
70/30 C71500 2.0882


CUNI flanges weight chart

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

Cupro stub end flange physical properties


Values Density (20°C) Thermal Conductivity (upto 200°C) Electrical Resistivity (20°C annealed) Modulus of Elasticity (20°C annealed) Coefficient of Expansion (up to 200°C) Annealing Temperature Magnetic Permeability (20°C annealed) Melting Interval
Units kg/m3 W/m.°K μΩ.cm Mpa C x 10-6 °C   °C
CuNi 90/10 8900 50 19 126 000 17 760 – 800 1.08 – 1.80 1100 – 1150
CuNi 70/30 8900 30 34 126 000 16 760 – 820 < 1.05 1180 -1240

Copper nickel forged flange joining techniques


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

Cunifer weld neck flange dimensions


Cunifer weld neck flange dimensions

CLass DIA A DIA D THK B DIA G DIA K H NO. L DIA L
150 30 90 11.2 35.1 60.3 47.6 4 15.9
300 38 95 14.3 35.1 66.7 52.6 4 15.9
600 38 95 20.7 35.1 66.7 58.4 4 15.9
900 38 120 28.7 35.1 82.6 66.4 4 22.2
1500 38 120 28.7 35.1 82.6 66.4 4 22.2
2500 43 135 36.6 35.1 88.9 79.4 4 22.2