What is the purpose of Monel 400 flanges ?

A combination of nickel and copper makes these flanges sturdy, corrosion-resistant, and suited to various temperatures. Monel 400 flanges display excellent strength and get used in the presence of corrosive media. One of the principal purposes is to resist hydrofluoric acid – an abrasive agent that can be challenging to manage – and saltwater (rapidly moving).

These flanges are customarily used in hydrocarbon processing, marine applications, etc. A Monel 400 reducing flanges can manage extreme pressures and temperatures from cryogenic to 1000°F. flanges work on flow fluctuations, which is imperative for streamlined performance.

We are monel flanges manufacturer in India as per ANSI B16.5

Monel 400 flanges manufacturer in India

How do you choose the best Alloy 400 blind flanges for your needs?

These flanges are indispensable in providing sealing solutions in high-pressure environments. An Alloy 400 blind flanges operates in the presence of corrosive substances and under extreme temperatures. Procuring a high-quality component from a trusted manufacturer will give your project a good head start.

While procuring Alloy 400 flanges, consider the application requirements and specify the dimensions (thickness and diameters) accordingly. A supplier who sources premium raw materials and conducts quality control and testing at every step is a safe bet for critical projects. Other considerations for choosing a blind flanges are the pressure class, gasket compatibility, and the required dimensions for the piping.

As cost-effective and authentic supplier, we offer alloy 400 blind and weld neck flanges in Mumbai, trust us for the best prices

Monel 400 Flanges

Monel 400 flanges

Alloy 400 blind flange

Alloy 400 blind flanges

Monel Flanges

Monel flanges

What are the disadvantages of Monel flanges when it comes to insulation or heat transfer?

This material possesses a high melting point of 1350°C and impressive thermal conductivity. Monel flanges sometimes get used as wire netting for insulation needs. While it displays good high-temperature performance, its primary disadvantage is cost. The high nickel content (67%) makes it anexpensive alloy; the prices are volatile and difficult to predict.

Another disadvantage of a Monel 400 socket weld flanges is its lower workability due to brittleness and galling. However, it is an exceptional choice for marine industries and the chemical processing sector because of its superb thermal and corrosion-handling properties.

As stockist, we can offer you the highest-quality ASTM B564 UNS N04400 socket weld and slip on flanges with EN 10204 3.1 MTR/ NDT testing

Table of Content

Specifications of Monel 400 flanges

Monel 400 flanges specifications

Standards Equipment Sizes Face type
ASME SB-564/ ASTM B564
  • Sand-blasting machine
  • Press machine
  • Pushing Machine
  •  Bending machine
  • Electric bevelling machine
 1/2 to 60 inch NBs
  • flat (FF)
  • raised (RF)
  • ring joint (RTJ)
  • lap joint male and female (M&F)
  • tongue and groove (T&G)
Certificate Production technique Pressure Class Application
  • EN 10204/3.1B
    Raw Materials Certificate
  • 100% Radiography Test Report
  • Third Party Inspection Report etc
 Forged Heat treated and machined 150, 300, 600, 900, 1500, 2500
  • Aerospace and jet engines.
  • Oil and gas extraction.
  • Pollution control and waste processing
  • Automotive
  • Marine industry
Quote now to get outstanding and adaptable nickel alloy 400 lap joint and threaded flanges including threading, welding or bolting connections
Monel flanges types

Monel 400 weld neck flange

Monel 400 weld neck flanges

  • Sizes: 1/2 to 60 inch NB
  • 15 NB to 1200NB
  • Class: 150# to 2500#

Nickel Alloy 400 slip on flange

Nickel Alloy 400 slip on flanges

  • Raised Face (RF)
  • Ring Type Joint (RTJ)
  • Flat Face (FF)

UNS N04400 forged flange

UNS N04400 forged flanges

  • Pressure: PN6 to PN64
  • Standard: ASTM B564 | ASME SB564

Alloy 400 lap joint flanges

Alloy 400 lap joint flanges

  • ASME standard: ANSI/ASME B16.5
  • NACE MR0103/ MR0175
  • Raw Materials Certificate

Monel 400 socket weld flange

Monel 400 socket weld flanges

  • Chemical Processing
  • Aerospace
  • Power Generation

Nickel Alloy 400 threaded flange

Nickel Alloy 400 threaded flanges

  • Forged
  • Heat treated
  • machined
View our supply range of DIN 2.4360 screwed and reducing flanges, please get in touch with us if you need any help finishing your project.
Alloy 400 blind flanges chemical composition
Grade C Mn Si S Cu Fe Ni Cr
Monel 400 0.30 max 2.00 max 0.50 max 0.24max 28.0-34.0 2.50 max 63.00 min –
DIN 2.4360 weld neck flanges mechanical properties
Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Monel 400 8.8 g/cm3 1350 °C (2460 °F) Psi – 80,000 , MPa – 550 Psi – 35,000 , MPa – 240 40 %
Equivalent grades of Nickel Alloy 400 slip on flanges
STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
Monel 400 2.4360 N04400 NW 4400 NA 13 МНЖМц 28-2,5-1,5 NU-30M NiCu30Fe
Pressure rating of UNS N04400 socketweld flanges

US Customary Unit

flanges Class
Temperature. °F 600 300 150 400 900 1500 2500
-20~100 1500 750 290 1000 2250 3750 6250
200 1500 750 260 1000 2250 3750 6250
300 1455 730 230 970 2185 3640 6070
400 1395 700 200 930 2095 3490 5820
500 1330 665 170 885 1995 3325 5540
600 1210 605 145 805 1815 3025 5040
650 1175 590 125 785 1765 2940 4905
700 1135 570 110 755 1705 2840 4730
750 1065 530 95 710 1595 2660 4430
800 1015 510 80 675 1525 2540 4230

 

Metic Unit

flanges Class
Temperature. °C 600 300 150 400 900 1500 2500
−29~38 103.4 51.7 20.0 68.9 155.1 258.6 430.9
50 103.4 51.7 19.5 68.9 155.1 258.6 430.9
100 103.0 51.5 17.7 68.7 154.6 257.6 429.4
150 100.3 50.3 15.8 66.8 150.6 250.8 418.2
200 96.7 48.3 13.8 64.5 145.0 241.7 402.8
250 92.7 46.3 12.1 61.7 139.0 231.8 386.2
300 85.7 42.9 10.2 57.0 128.6 214.4 357.1
325 82.6 41.4 9.3 55.0 124.0 206.6 344.3
350 80.4 40.3 8.4 53.6 120.7 201.1 335.3
375 77.6 38.9 7.4 51.6 116.5 194.1 323.2
400 73.3 36.5 6.5 48.9 109.8 183.1 304.9
425 70.0 35.2 5.5 46.5 105.1 175.1 291.6
Tolerance of monel alloy 400 flanges
Tolerance Monel 400 Weld Neck flanges
  • 12″ thru 18″: +1/8″
  • 10″ and smaller: ±1/32″
  • 20″ and larger: -1/16″
 D Inside Diameter (ID)
  • When OD is over 24″: ±1/8″
  • When OD is 24″ or less: ±1/16″
 A OD
  • 20″ and larger: ±3/16″, -0″
  • 18″ and smaller: ±1/8″, -0″
 C Thickness
  • When hub base is over 24″: ±1/8″
  • When hub base is 24″ or smaller: ±1/16″
 J hub at base Diameter
  • 1/4″ T/G (Tongue & Groove), RF (Raised Face), (male & female), (m/f): ±1/64″
  • 1/16″ raised face: ±1/32″
 B contact face Diameter
  • Bolts hole spacing: ±1/32″
  • Circle Bolts: ±1/16″
 P Drilling
  • 3″ and larger ±1/16″ max
  • 2 1/2″ and smaller ±1/32″ max
 with respect to facing eccentricity of bolt circle
  • 6″ and larger: +5/32″ , -1/32
  • 5″ and smaller: +3/32″ , -1/32″
 H at point of welding diameter of hub
  • 12″ and larger: ±1/8″
  • 10″ and smaller: ±1/16″
 K hub length
Stock list of nickel 400 forged flanges
Type Of Connection flanges Size Range flanges Class and Schedule Maximum Pressure
Slip On 1/2″ ASME B16.5 Class 300 720 psi
Socket Weld 1/2″ ASME B16.5 Class 150 275 psi
Slip On 1/2″ ASME B16.5 Class 300 720 psi
FNPT 3/4″ ASME B16.5 Class 150 150 psi
Slip On 4″ ASME B16.5 Class 300 720 psi
Welded 1/2″ ASME B16.5 Class 150 150 psi
Slip On 1″ ASME B16.5 Class 300 720 psi
FNPT 1/2″ ASME B16.5 Class 150 150 psi
FNPT 1-1/4″ ASME B16.5 Class 300 720 psi
Socket Weld 3/4″ ASME B16.5 Class 150 275 psi
Slip On 1″ ASME B16.5 Class 300 720 psi
Socket Weld 1-1/4″ ASME B16.5 Class 150 275 psi
Slip On 1-1/4″ ASME B16.5 Class 300 720 psi
FNPT 2″ ASME B16.5 Class 150 150 psi
Slip On 1-1/2″ ASME B16.5 Class 300 720 psi
Socket Weld 1-1/2″ ASME B16.5 Class 150 275 psi
Slip On 2″ ASME B16.5 Class 300 720 psi
Socket Weld 2″ ASME B16.5 Class 150 275 psi
Slip On 1-1/2″ ASME B16.5 Class 300 720 psi
Slip On 2″ ASME B16.5 Class 300 720 psi
Socket Weld 3″ ASME B16.5 Class 150 275 psi
Slip On 2-1/2″ ASME B16.5 Class 300 720 psi
Socket Weld 2-1/2″ ASME B16.5 Class 150 275 psi
Slip On 2-1/2″ ASME B16.5 Class 300 720 psi
Socket Weld 4″ ASME B16.5 Class 150 275 psi
Slip On 3″ ASME B16.5 Class 300 720 psi
FNPT 4″ ASME B16.5 Class 150 150 psi
Slip On 3″ ASME B16.5 Class 300 720 psi
Slip On 4″ ASME B16.5 Class 300 720 psi
Alloy 400 flanges weight chart
Standards Sizes of Bolt Class Bolt Hole Dia Diameters of Bolt Circle Dia Bolts Number
ISO 7005 (DIN) M12 PN10 14 65 95 4
M10 PN6 11 55 80 4
M12 PN40 14 65 95 4
M14 PN20 16 60.5 90 4
M12 PN16 14 65 95 4
M12 PN25 14 65 95 4
AS 2129
13 Table D 14 67 95 4
13 Table C 14 67 95 4
16 Table J 17 83 114 4
13 Table F 14 67 95 4
13 Table E 14 67 95 4
16 Table H 17 83 114 4
ANSI B16.5 13 ANSI 150 16 60 89 4
M12 PN14 14 67 95 4
19 ANSI 1500 22 83 121 4
13 ANSI 600 16 67 95 4
13 ANSI 300 16 67 95 4
19 ANSI 900 22 83 121 4
Monel 400 socket weld flanges sizes
Dimension Standards Ratings Size Range in inch
ASME/ANSI B16.5 150# to 2500# 1/2 to 24
ASME/ANSI/B16.36 300# TO 2500# 1 TO 24
BS 3293 150# TO 600# 26 TO 48
MSS SP 44 150# to 900# 12 TO 60
ASME/B16.47/API 605 26 TO 60
ASME B16.48 / API 590 150# TO 2500# 1/2 TO 24
API 6A API 6B 2000 PSI TO 20000 PSI 2 1/6 TO 30
DIN PN6 TO PN160 DN10 TO DN3600
Face type of DIN 2.4360 lap joint flanges
Type Face Type of Monel 400 flanges
E Spigot
D Grooved Face
B Raised Face
A Flat Face
C Tongue Face
G Ring Recess
F Recess
H O-Ring Groove
Monel 400 reducing flanges standards
Dimension Standards Product Category Material Specification as per ASME/ASTM
ASME B16.5,ANSI B16.5, MSS SP-44, API 605, ASME B16.47, ASME B16.36, BS 3293, ASME B16.48, ANSI B16.36, API 590, API 6A, JIS B2220, API 6B, DIN 2573, DIN 2642, DIN 2631, DIN 2576, DIN 2632, DIN 2634, DIN 2633, DIN 2635, DIN 2565, DIN 2527, UNI 2276, DIN 2566, UNI 2277, UNI 6089, UNI 2278, UNI 6090, UNI 2283, UNI 2280, UNI 2284, UNI 2254, UNI 2253, UNI 6092, UNI 6093, EN 1092-1 TYPE 2, EN 1092-1 TYPE 11, EN 1092-1 TYPE 1, EN 1092-1 TYPE 13, EN 1092-1 TYPE 5 ( PN10, PN6, PN25, PN16,PN40) Forged flanges ASME SB564/ ASTM 564 Monel 400
Nickel Alloy 400 threaded flanges dimensions

Nickel Alloy 400 threaded flange dimensions

flanges
NPS in inch		 Outside
Dia in Inch		 Inside
Dia in Inch		 Bolt Circle (BC) in Inch Raised Face (RF) in Inch Raised Face (R) in Inch H in Inch T1 in Inch Raised Face Thickness (T) in Inch Bolt Hole (B) in Inch Flat Face Thickness (T2) in Inch No. of Bolt Holes
1/2 3.50 0.93 2.38 .063 1.38 1.19 .38 .62 .62 .56 4
3/4 3.88 1.14 2.75 .063 1.69 1.50 .44 .62 .62 .56 4
1 4.25 1.41 3.12 .063 2.00 1.94 .50 .69 .62 .63 4
1-1/4 4.62 1.75 3.50 .063 2.50 2.31 .56 .81 .62 .75 4
1-1/2 5.00 1.99 3.88 .063 2.88 2.56 .62 .88 .62 .82 4
2 6.00 2.50 4.75 .063 3.62 3.06 .69 1.00 .75 .94 4
2-1/2 7.00 3.00 5.50 .063 4.12 3.56 .82 1.12 .75 1.06 4
3 7.50 3.63 6.00 .063 5.00 4.25 .88 1.19 .75 1.13 4
3-1/2 8.50 4.13 7.00 .063 5.50 4.81 .88 1.25 .75 1.19 8
4 9.00 4.63 7.50 .063 6.19 5.31 .88 1.31 .75 1.25 8
5 10.00 5.69 8.50 .063 7.31 6.44 .88 1.44 .88 1.38 8
6 11.00 6.75 9.50 .063 8.50 7.56 .94 1.56 .88 1.50 8
8 13.50 8.75 11.75 .063 10.62 9.69 1.06 1.75 .88 1.69 8
10 16.00 10.88 14.25 .063 12.75 12.00 1.13 1.94 1.00 1.88 12
12 19.00 12.94 17.00 .063 15.00 14.38 1.19 2.19 1.00 2.13 12
14 21.00 14.19 18.75 .063 16.25 15.75 1.32 2.25 1.12 2.19 12
16 23.50 16.19 21.25 .063 18.50 18.00 1.38 2.50 1.12 2.44 16
18 25.00 18.19 22.75 .063 21.00 19.88 1.50 2.69 1.25 2.63 16
20 27.50 20.19 25.00 .063 23.00 22.00 1.63 2.88 1.25 2.83 20
22 29.50 22.19 27.25 .063 25.25 24.25 1.75 3.13 1.38 3.07 20
24 32.00 24.19 29.50 .063 27.25 26.12 1.82 3.25 1.38 3.19 20
How does the size range of Monel 400 weld neck flanges correspond to their pressure class and ratings?

The pressure class of these products corresponds to the maximum pressure they can handle at increasing temperatures. Buyers can order a Monel 400 weld neck flanges in sizes from 1/2″ to 48″. Thicker flanges generally tolerate higher pressures. The typical pressure classes for these components are 150 to 2500.

Can the face dimensions of Nickel Alloy 400 slip on flanges be customized for specific applications?

Customers need to specify necessary dimensions while ordering to meet application needs. For instance, the essential metrics for a nickel Alloy 400 threaded flanges are pipe size, pressure class, the height of the raised face, and the bolt hole diameter.

Mills usually follow internationally accepted standards for manufacture – in this case, DIN 2.4360. However, a nickel Alloy 400 slip on flanges can also be produced in customised face dimensions. These tailored flanges fulfil unique project needs.

Are there different hardness testing methods available for UNS N04400 forged flanges?

These flanges are among the toughest for handling extreme conditions and impact. A UNS N04400 forged flanges has even undergone testing at liquefied hydrogen and helium temperatures.The hardness of these components is a vital property that manufacturers examine through appropriate testing.

The standard testing processes of a DIN 2.4360 lap joint flanges are the Brinell hardness test, Vickers, and Rockwell. The hardness of this material is approximately 125 to 215 on the Rockwell B scale and 70 to 96 on Brinell. The basic premise of these tests is pressingthe surface, holding, and releasing. The indentation gets measured to indicate the hardness.

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