Monel 400 Flanges

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Monel 400 flanges
How should Monel 400 flanges be stored?

Proper storage guidelines should be followed to maintain the quality and longevity of the flange:

  • Monel 400 flange should be stored in a clean, dry and well ventilated area.
  • They should be protected from dirt, dust, debris and other contaminants affecting their surface or integrity.
  • Monel 400 pipe flange should be kept in a horizontal position on racks to prevent deformation.
  • The flanges must be properly supported to prevent any bending or sagging.
  • Make sure to store different types and sizes of flanges separately. Proper identification should be done to avoid any confusion.
Table of content

Find an authentic manufacturer of alloy 400 blind and slip on flanges in India who complies with ASTM B564

How do you torque alloy 400 flange ? What is the purpose of torquing?

Torque is the rotational force applied to tighten the alloy 400 flange bolts to a specified level. The general process will include:

  • The flange faces and bolt threads must be clean and free of contaminants.
  • Apply an appropriate lubricant to the bolt threads and nut faces to reduce friction during tightening.
  • Insert the bolts through the holes and thread the nuts to ensure proper alignment.
  • Refer to the manufacturer's specifications or industry standards for the recommended torque values.
  • Start tightening the bolts in a crisscross pattern to ensure uniform distribution of the torque.
  • Gradually tighten each bolt until the desired torque value is achieved.

The purpose of torquing the alloy 400 blind flange is to achieve the appropriate clamping force on the gasket. It will ensure a reliable and leak free joint. The seal helps the system to withstand the pressure and temperature conditions.

As a supplier, to fulfil your individual needs we specialise in custom-sized ASTM B564 UNS N04400 weld neck and forged flange in accordance with ANSI/ASME B16.5.

Alloy 400 blind flange

Alloy 400 blind flange

UNS N04400 slip on flange

UNS N04400 slip on flange

DIN 2.4360 weld neck flange

DIN 2.4360 weld neck flange

Where exactly UNS N04400 flange use?

ASTM B564 UNS N04400 flange are used in applications that require excellent corrosion resistance and high strength.

  • They are used in chemical processing industries for the manufacturing of acids, alkalis and other chemicals.
  • UNS N04400 socket weld flange is used in the marine industry in shipbuilding, offshore platforms, seawater desalination plants, etc.
  • They are found in the oil & gas sector like offshore drilling rigs, pipelines and subsea equipment.
  • UNS 4400 forged flange are found in power generation facilities which include power plants and steam turbine systems.
  • They are also used in the aerospace and pharmaceutical industries.

As a dependable stockist, we provide ASME SB564 DIN 2.4360 lap joint and socket weld flanges in Mumbai in sizes ranging from 12" to 36" with various face types at competitive prices. see the full spec.

Monel 400 flanges specification
Specification Size Pressure class
ASTM B564 | ASME SB564 1⁄₂ to 48 " DN10~DN5000 15 to 1200NB 150 to 2500 LBS
Pressure calculation Face type PN
6 to 40 Bar Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ), PN6 to PN64
With the highest standards and quality of finish, we can produce bespoke nickel alloy 400 reducing flange in practically any pressure rating.
What are types of alloy 400 flanges ?
Monel alloy 400 socket weld flange

Monel alloy 400 socket weld flange

  • Size: 1/2" to 48"
  • Class 150 to 2500
  • PN6 to PN64
WNR 2.4360 lap joint flange

WNR 2.4360 lap joint flange

  • 100% Radiography Test Report
  • EN 10204/3.1B
  • Third Party Inspection Report
Monel alloy 400 forged flanges

Monel alloy 400 forged flanges

  • Heat treated
  • Forged
  • Machined
Delivering the most affordable pricing for Monel alloy 400 plate and threaded flange with Mill TC, evaluate their mechanical and chemical compatibility
ASTM B564 UNS N04400 flange equivalent
STANDARD UNS AFNOR WERKSTOFF NR. EN JIS GOST BS
Monel 400 N04400 NU-30M 2.4360 NiCu30Fe NW 4400 МНЖМц 28-2,5-1,5 NA 13
Monel 400 pipe flange mechanical properties
Element Tensile Strength Melting Point Yield Strength (0.2%Offset) Density Elongation
Monel 400 Psi – 80,000 , MPa – 550 1350 °C (2460 °F) Psi – 35,000 , MPa – 240 8.8 g/cm3 40 %
DIN 2.4360 lap joint flange chemical properties
Grade S Mn Ni Si C Cu Fe
Monel 400 0.024 max 2.00 max 63.00 min 0.50 max 0.30 max 28.00 – 34.00 2.50 max
Physical properties of alloy 400 blind flange
Property Metric Imperial
Modulus of rigidity 65.3 kN/mm2 9471 ksi
Density 8.8 g/cm3 0.318lb/in3
Co-Efficient of Expansion 13.9µm/m.°C
(20-100°C)
7.7x10-6 in/in.°F
(70-212°F)
Melting point 1350°C 2460°F
Modulus of elasticity 105-120 kN/mm2 15230-17405 ksi
Size chart of UNS N04400 socket weld flange
Normal Sizes In inch Dimension Sizes
Class 125
Class 150
Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
mm inch. millimeter inch. mm inch. mm inch. mm inch. mm inch. mm inch
3/4 D1 69.8 2 3/4 82.5 3 1/4 82.5 3 1/4 82.5 3 1/4 88.9 3 1/2 88.9 3 1/2 95.2 3 3/4
b 12.7 1/2 15.9 5/8 15.9 5/8 15.9 5/8 25.4 1 25.4 1 31.8 1 1/4
A 98.4 3 7/8 117.5 4 5/8 117.5 4 5/8 117.5 4 5/8 130 5 1/8 130 5 1/8 139.7 5 1/2
D2 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16
d 15.9 5/8 19 3/4 19 3/4 19 3/4 22.2 7/8 22.2 7/8 22.2 7/8
n 4 4 4 4 4 4 4 4 4 4 - 4 44 4
1/2 D1 60.3 2 3/8 66.7 2 5/8 66.7 2 5/8 66.7 2 5/8 82.6 3 1/4 82.6 3 1/4 88.9 3 1/2
b 11.1 7/16 14.3 9/16 14.3 9/16 14.3 9/16 22.2 7/8 22.2 7/8 30.2 1 3/16
A 88.9 3 1/2 95.2 3 3/4 95.2 3 3/4 95.2 3 3/4 121 4 3/4 121 4 3/4 133.4 5 1/4
D2 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8
d 15.9 5/8 15.9 5/8 15.9 5/8 15.9 5/8 22.2 7/8 22.2 7/8 22.2 7/8
n 4 4 4 4 4 4 4 4 4 4 - 4 44 4
1 1/4 D1 88.9 3 1/2 98.4 3 7/8 98.4 3 7/8 98.4 3 7/8 111 4 3/8 111 4 3/8 130 5 1/8
b 15.9 5/8 19 3/4 20.6 13/16 20.6 13/16 28.6 1 1/8 28.6 1 1/8 38.1 1 1/2
A 117.5 4 5/8 133.4 5 1/4 133.4 5 1/4 133.4 5 1/4 159 6 1/4 159 6 1/4 184.2 7 1/4
D2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2
d 15.9 5/8 19 3/4 19 3/4 19 3/4 25.4 1 25.4 1 28.6 1 1/8
n 4 4 4 4 4 4 4 4 4 4 4 4 4 4
1 D1 79.4 3 1/8 88.9 3 1/2 88.9 3 1/2 88.9 3 1/2 102 4 102 4 108 4 1/4
b 14.3 9/16 17.5 11/16 17.5 11/16 17.5 11/16 28.6 1 1/8 28.6 1 1/8 34.9 1 3/8
A 108 4 1/4 123.8 4 7/8 123.8 4 7/8 123.8 4 7/8 149.2 5 7/8 149.2 5 7/8 159 6 1/4
D2 50.8 2 50.8 2 50.8 2 50.8 2 50.8 2 50.8 2 50.8 2
d 15.9 5/8 19 3/4 19 3/4 19 3/4 25.4 1 25.4 1 25.4 1
n 4 4 4 4 4 4 4 4 4 4 4 4 4 4
2 D1 121 4 3/4 127 5 127 5 127 5 165.1 6 1/2 165.1 6 1/2 171 6 3/4
b 19 3/4 22.2 7/8 25.4 1 25.4 1 38.1 1 1/2 38.1 1 1/2 50.8 2
A 152.4 6 165.1 6 1/2 165.1 6 1/2 165.1 6 1/2 215.9 8 1/2 215.9 8 1/2 234.9 9 1/4
D2 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8
d 19 3/4 19 3/4 19 3/4 19 3/4 25.4 1 25.4 1 28.6 1 1/8
n 4 4 8 8 8 8 8 8 8 8 8 8 8 8
1 1/2 D1 4 3 7/8 114 4 1/2 114 4 1/2 114 4 1/2 124 4 7/8 124 4 7/8 146 5 3/4
b 17.5 11/16 20.6 13/16 22.2 7/8 22.2 7/8 31.8 1 1/4 31.8 1 1/4 44.5 1 3/4
A 127 5 155.6 6 1/8 155.6 6 1/8 155.6 6 1/8 177.8 7 177.8 7 203 8
D2 73 98 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8
d . 15.9 5/8 22.2 7/8 22.2 7/8 22.2 7/8 28.6 1 1/8 28.6 1 1/8 31.8 1 1/4
n 4 4 4 4 4 4 4 4 4 4 4 4 4 4
2 1/2 D1 139.7 5 1/2 149.2 5 7/8 149.2 5 7/8 149.2 5 7/8 190.5 7 1/2 190.5 7 1/2 197 7 3/4
b 22.2 7/8 25.4 1 28.6 1 1/8 28.6 1 1/8 41.3 1 5/8 41.3 1 5/8 57.2 2 1/4
A 177.8 7 190.5 7 1/2 190.5 7 1/2 190.5 7 1/2 244 9 5/8 244 9 5/8 266.7 10 1/2
D2 104.8 4 1/8 104.8 4 1/8 104.8 4 1/8 104.8 4 1/8 105 4 1/8 105 4 1/8 105 4 1/8
d 19 3/4 22.2 7/8 22.2 7/8 22.2 7/8 28.6 1 1/8 28.6 1 1/8 31.8 1 1/4
n 4 4 8 8 8 8 8 8 8 8 8 8 8 8
Face types of nickel alloy 400 slip on flange
Type Face Type
H O-Ring Groove
B Raised Face
A Flat Face
D Grooved Face
C Tongue Face
F Recess
E Spigot
G Ring Recess
Dimension chart of WNR 2.4360 threaded flange
Dimensions
‘DN’ (Nominal Diameter) in mm
DN INCH DN INCH
20 3/4 350 14
15 1/2 300 12
25 1 375 15
40 1 1/2 450 18
32 1 1/4 400 16
65 2 1/2 600 24
50 2 500 20
80 3 700 28
250 10
125 5 800 32
100 4 750 30
200 8 900 36
Pressure rating of UNS 4400 forged flange
Nominal Diameter Pressure Rating (PN)
**Nominal BSP Pipe Size PN25 PN10 PN6 PN16 PN40
DN 15 95 95 80 95 95
1/2" 65 65 55 65 65 Bolt circle (PCD)
4 x 14 4 x 14 4 x 11 4 x 14 4 x 14 *
DN 10 90 90 75 90 90
3/8" 60 60 50 60 60 Bolt circle (PCD)
4 x 14 4 x 14 4 x 11 4 x 14 4 x 14 *
DN 25 115 115 100 115 115
1" 85 85 75 85 85 Bolt circle (PCD)
4 x 14 4 x 14 4 x 11 4 x 14 4 x 14 *
DN 20 105 105 90 105 105
3/4" 75 75 65 75 75 Bolt circle (PCD)
4 x 14 4 x 14 4 x 11 4 x 14 4 x 14 *
DN 40 150 150 130 150 150
1 1/2" 110 110 100 110 110 Bolt circle (PCD)
4 x 18 4 x 18 4 x 14 4 x 18 4 x 18 *
DN 32 140 140 120 140 140
1 1/4" 100 100 90 100 100 Bolt circle (PCD)
4 x 18 4 x 18 4 x 14 4 x 18 4 x 18 *
DN 65 185 185 160 185 185
2 1/2" 145 145 130 145 145 Bolt circle (PCD)
8 x 18 4 x 18 4 x 14 4 x 18 8 x 18 *
DN 50 165 165 140 165 165
2" 125 125 110 125 125 Bolt circle (PCD)
4 x 18 4 x 18 4 x 14 4 x 18 4 x 18 *
DN 100 235 220 210 220 235
4" 190 180 170 180 190 Bolt circle (PCD)
8 x 22 8 x 18 4 x 18 8 x 18 8 x 22 *
DN 80 200 200 190 200 200
3" 160 160 150 160 160 Bolt circle (PCD)
8 x 18 8 x 18 4 x 18 8 x 18 8 x 18 *
DN 150 300 285 265 285 300
6" 250 240 225 240 250 Bolt circle (PCD)
8 x 26 8 x 22 8 x 18 8 x 22 8 x 26 *
DN 125 270 250 240 250 270
5" 220 210 200 210 220 Bolt circle (PCD)
8 x 26 8 x 18 8 x 18 8 x 18 8 x 26 *
DN 200 360 340 320 340 375
8" 310 295 280 295 320 Bolt circle (PCD)
12 x 26 8 x 22 8 x 18 12 x 22 12 x 30 *
DN 175 330 315 315 350
7" 280 270 270 295 Bolt circle (PCD)
12 x 26 8 x 22 8 x 22 12 x 30 *
DN 300 485 445 440 460 515
12" 430 400 395 410 450 Bolt circle (PCD)
16 x 30 12 x 22 12 x 22 12 x 26 16 x 33 *
DN 250 425 395 375 405 450
10" 370 350 335 355 385 Bolt circle (PCD)
12 x 30 12 x 22 12 x 18 12 x 26 12 x 33 *
DN 500 730 670 645 715 755
20" 660 620 600 650 670 Bolt circle (PCD)
20 x 36 20 x 26 20 x 22 20 x 33 20 x 42 *
DN 400 620 565 540 580 660
16" 550 515 495 525 585 Bolt circle (PCD)
16 x 36 16 x 26 16 x 22 16 x 30 16 x 39 *
DN 350 555 505 490 520 580
14" 490 460 445 470 510 Bolt circle (PCD)
16 x 33 16 x 22 12 x 22 16 x 26 16 x 36 *
DN 600 845 780 755 840
24" 770 725 705 770 Bolt circle (PCD)
20 x 36 20 x 27 20 x 24 20 x 33 *
What are 8 important factor should consider when choosing DIN 2.4360 flange ?

While choosing ASME SB564 DIN 2.4360 lap joint flange, there are several factors that should be considered.

  • Check the specific corrosion media of your application. It should be compatible with Monel 400 weld neck flange.
  • The flange must be able to withstand the required temperature without compromising its mechanical properties.
  • Select an appropriate pressure rating for the flange to handle the expected pressures safely.
  • Consider the pipe size and dimensions to ensure compatibility.
  • The flange must adhere to relevant standards and specifications.
  • Consider the specific industry and application requirements.
  • The flange must have great quality and come from reputable manufacturers like Regent Steel & Engineering Co. They provide material certifications, test reports, etc.
  • They also have expertise in offering these flange with a track record of timely delivery.
What is nickel alloy 400 flange protector ? how it work ?

Nickel alloy 400 slip on flange protector helps to safeguard the face and sealing surfaces of a flange. It is used during transportation, storage or installation. It also acts as a barrier to prevent damage, contamination or corrosion compromising the flange integrity.

The Nickel 400 plate flange protector offers

  • It offers great physical protection
  • It prevents dirt, dust, moisture, etc., that can affect the flange's performance.
  • They offer a protective shield against moisture and corrosive elements.
  • It provides continuous protection throughout handling and storage.
What is the difference between Monel alloy 400 fitting and flange?

Fittings can connect, control or change the direction of pipes in a system. They create a secure and leak-free connection between pipes. flange are flat or raised discs with bolt holes used to connect pipes, valves, or equipment. Monel alloy 400 reducing flange joins different sections of pipe or connecting pipes to other components.

Thus, Werkstoff 2.4360 threaded flange creates a strong, reliable and leak free connection through gaskets and bolting.

FAQ
What is the minimum gap between Monel 400 flange ?

1/32” (0.8mm)

What is the smallest UNS N04400 flange size?

13mm

Why are Monel 400 pipe flange so thick?

thicker flange can better handle higher pressures in an application.

What are the basic type of nickel 400 flange?

welding neck, slip-on, socket weld, blind flange

What is a DIN 2.4360 blind flange?

a flange that does not have a bored center or a hub

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