Monel 400 Flanges

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Alloy 400 Weld Neck Flanges & ASTM B564 UNS N04400 Blind Flange manufacturer in India

What is Monel 400 Flanges?
The Monel 400 material is a solid-solution alloy which can only be hardened by cold working. The Monel 400 flanges are widely used for heat exchangers and heaters. They are joined to the piping system using the most conventional welding methods. These flanges are used in a wide range of applications like valves and piping systems for marine equipment.
The Monel 400 flanges are known for their properties like corrosion resistance and high strength. Apart from general corrosion, they can also perform well in a wide range of acidic and alkaline environments. They possess high machinability and are available in a wide range of surface finishes according to specific requirements. The Monel 400 flanges have a slight magnetic property in room and it can even maintain its strength in the sub-zero temperature. The monel 400 material is known for giving a superior performance in a wide range of acidic and alkaline environments as well as saline water.
The monel 400 are known to possess high ductility and they have good thermal conductivity. One of the best things about this material is that it is able to retain its performance from sub-zero to a high temperature of 583 degrees C. There are different types of monel flanges available and they serve different purposes. Their dimensions can be customized according to the specifications given. They are made following the UNS N04400 and ASME SB-564 specifications. Apart from resisting general corrosion, the monel 400 flanges can also resist stress corrosion cracking. They are high in toughness and are a popular choice for various unique applications. The alloy contains elements like nickel, silicon, manganese, iron, carbon, sulfur, and copper. Monel 400 flanges maintain a high quality and they are safe to use. They can work efficiently in a wide range of temperatures and hence are used in various services.

Alloy 400 Blind Flanges Vs ASTM B564 UNS N04400 Slip on Flange
The main point of difference between Alloy 400 Blind Flanges and ASTM B564 UNS N04400 Slip on Flange is in their structure. While the blind flange looks like a steel plate with bolted holes all around it and no central hub, the slip on flange looks like a ring that can be slid into the pipe. The blind flange is joined to the piping system by bolting it while the slip on flange is first inserted to the pipe, and then double welded from inside and outside. The blind flanges are used for stopping the flow connection or sealing the nozzle of the vessel, whereas the slip on flanges are primarily used in low pressure piping systems, where there is a less risk of leakage. Being made of the same material, both the flanges are used in similar environments and industries, like the marine applications.

Monel 400 Flanges vs Monel 500 Flanges
The Monel 400 material is a nickel-copper alloy that can only be hardened by cold working. It has high toughness and strength through a wide range of temperatures. The monel 400 flanges are known for performing well in corrosive environments. They are typically used in pumps and valves, across industries like marine and chemical processing. It is resistant to attacks by several acids and alkalis.
On the other hand, the monel 500 material is a copper-nickel alloy which is age-hardened. It has good corrosion resistance properties, along with erosion resistance and also high strength fatigue. The alloy consists of titanium and aluminium in its composition and it is precipitated hardened. It possesses higher strength and hardness compared to the monel 400. It has around double the tensile strength and triple the yield strength of the 400 flange.

Why is Nickel 400 Flanges so expensive?
The Nickel 400 Flanges are so expensive because of its chemical composition. Also the characteristics and critical applications where they are used increases the demand of these flanges, making them so expensive.
Unlike the Monel 400, the Monel 500 material has titanium in it. The 500 alloy has lower coefficient of friction and they also have higher wear resistance compared to any other Monel alloys. It’s mechanical properties like strength and hardness are also superior compared to the Monel 400 material. However, Monel 400 material contains at least 62% of the nickel metal, which is quite expensive and its unique characteristics cannot be substituted by any other element that is cheaper. Thus, the demand remains high, and also the cost of making the Monel 400 flange and hence they are so expensive.

Monel 400 Flanges

Monel 400 Flanges

KNPC approved API 605 Alloy 400 Slip On Flange manufacturers in India offers widest selection of AWWA C207 ASME SB564 N04400 Threaded Flange and Monel 400 Long Weld Neck Flange Material in Mumbai

Table of Content


Size Range 1/2″ to 48″
Chart of Pressure Rating 300 LBS, 2500 LBS, 1500 LBS, 900 LBS, 150 LBS, 600 LBS
DIN Pressure Calculation 25Bar 40Bar 16Bar 6Bar 10Bar / PN64 PN10 PN25 PN16 PN6 PN40
JIS 40 K, 16 K, 5K, 10 K, 30 K, 20 K, 63 K
Manufacturer of Connect / Flange Face Type LJF, RF, RTJ, FF, Small Tongue, Large Tongue & Groove
Manufacturer of GOST, JIS, ANSI, DIN, UNI, BS, AWWA, AS2129, SABS, NFE, EN etc.
Equipment Pushing Machine, Press machine, Sand-blasting machine, Bending machine, electric bevelling machine etc
Test Magnetic particle detector, X-ray detector, Ultrasonic flaw detector, Direct-reading Spectrograph, Hydrostatic testing machine
UNI / EN 16Bar 6Bar 40Bar 10Bar 25Bar
Origin Japan / West Europe / Indian / USA / Korean
Common Types By Manufacturer Threaded / Screwed / Forged / Plate
Standards Provided By Manufacturer ISO70051, MSS S44, BS1560-3.1, API7S-43, B16.48, ANSI/ASME B16.5, B16.47 Series A & B, BS4504, JISB2220, ASME/ANSI B16.5/16.36/16.47A/16.47B, API605, BS 10, EN-1092, DIN, API7S-15, EN1092
Production technique Used By Manufacturer Heat treated, Forged and machined
Coating Zinc Plated, Anti-rust Paint, Yellow Transparent, Oil Black Paint, Cold and Hot Dip Galvanized

Are you looking for Monel 400 Pipe Flanges stockists, distributor, dealers, supplier, wholesalers, importer, stockholders, exporters and Manufacturer in Mumbai.

Temperature °F Class 150 Class 600 Class 1500 Class 400 Class 900 Class 300 Class 2500
-20 to 100 275 1440 3600 960 2160 720 6000
300 205 1080 2700 720 1620 540 4500
200 230 1200 3000 800 1800 600 5000
400 190 995 2485 660 1490 495 4140
600 140 875 2185 580 1310 435 3640
650 125 860 2150 575 1290 430 3580
500 170 930 2330 620 1395 465 3880
700 110 850 2125 565 1275 425 3540
750 95 830 2075 555 1245 415 3460
850 65 790 1980 530 1190 395 3300
800 80 805 2015 540 1210 405 3360
900 50 780 1945 520 1165 390 3240
950 35 765 1910 510 1145 380 3180
1000 20 640 1605 430 965 320 2675
1100 20 515 1285 345 770 255 2145
1150 20 400 995 265 595 200 1655
1050 20 615 1545 410 925 310 2570
1200 20 310 770 205 465 155 1285
1250 20 225 565 150 340 115 945
1300 20 170 430 115 255 85 715
1400 20 95 240 65 145 50 400
1350 20 125 310 80 185 60 515
1450 15 70 170 45 105 35 285
1500 10 55 135 35 80 25 230
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

Supplier of EN 1092-2 400 Monel Socket Weld Flange and ASME B16.5 Nickel Alloy 400 Spectacle Blinds offers Pneumatic, Hydrotest, NDT Test to confirm the integrity of weldments

Monel 400 Flanges Price Per Piece in India Alloy 400 Pipe Flanges Price in INR Nickel 400 Flanges Price in UAE Dirham Monel Alloy 400 Flange Price in USD
FLANGS-MONEL400 3/4 WN 1500 RF XS/80S Per Kg 3,819 UAE Dirham 184.52 $50.24
FLANGES - MONEL400 3/4 WN 1500 RF XS/80S 125-250 RMS Per Kg 5,501 UAE Dirham 265.79 $72.36
FLANGES-MONEL400 1/2 WIN 1500 RF SCH 80S Per Piece 9,400 UAE Dirham 454.15 $123.65

Compare our prices to those of other Monel 400 Flanges manufacturers in India before making a purchase. This is an approximation of the ASTM B564 UNS N04400 Flanges pricing in India. For the most up-to-date stocklist of Monel Flanges in Mumbai, please contact us.

Monel 400 Weld Neck Flanges Dimensions

Flange NPS H Inside
Diameter		 Flat Face
Thickness (T2)		 Outside
Diameter		 Raised Face
(RF)		 Raised Face
(R)		 H1 Raised Face
Thickness (T)		 T1 Bolt Circle
(BC)		 Bolt Hole
(B)		 No. of
Bolt Holes
1/2" 1.19" 0.62" 1.82" 3.50" .063" 1.38" 0.84" 1.88" .38" 2.38" .62" 4
1-1/4" 2.31" 1.38" 2.19" 4.62" .063" 2.50" 1.66" 2.25" .56" 3.50" .62" 4
3/4" 1.50" 0.82" 2.00" 3.88" .063" 1.69" 1.05" 2.06" .44" 2.75" .62" 4
1-1/2" 2.56" 1.61" 2.38" 5.00" .063" 2.88" 1.90" 2.44" .62" 3.88" .62" 4
1" 1.94" 1.05" 2.13" 4.25" .063" 2.00" 1.32" 2.19" .50" 3.12" .62" 4
2" 3.06" 2.07" 2.44" 6.00" .063" 3.62" 2.38" 2.50" .69" 4.75" .75" 4
2-1/2" 3.56" 2.47" 2.69" 7.00" .063" 4.12" 2.88" 2.75" .82" 5.50" .75" 4
3" 4.25" 3.07" 2.69" 7.50" .063" 5.00" 3.50" 2.75" .88" 6.00" .75" 4
4" 5.31" 4.03" 2.94" 9.00" .063" 6.19" 4.50" 3.00" .88" 7.50" .75" 8
5" 6.44" 5.05" 3.44" 10.00" .063" 7.31" 5.56" 3.50" .88" 8.50" .88" 8
3-1/2" 4.81" 3.55" 2.75" 8.50" .063" 5.50" 4.00" 2.81" .88" 7.00" .75" 8
6" 7.56" 6.07" 3.44" 11.00" .063" 8.50" 6.63" 3.50" .94" 9.50" .88" 8
8" 9.69" 7.98" 3.94" 13.50" .063" 10.62" 8.63" 4.00" 1.06" 11.75" .88" 8
22" 24.25" 21.25" 5.82" 29.50" .063" 25.25" 22.00" 5.88" 1.75" 27.25" 1.38" 20
10" 12.00" 10.02" 3.94" 16.00" .063" 12.75" 10.75" 4.00" 1.13" 14.25" 1.00" 12
12" 14.38" 12.00" 4.44" 19.00" .063" 15.00" 12.75" 4.50" 1.19" 17.00" 1.00" 12
16" 18.00" 15.25" 4.94" 23.50" .063" 18.50" 16.00" 5.00" 1.38" 21.25" 1.12" 16
18" 19.88" 17.25" 5.44" 25.00" .063" 21.00" 18.00" 5.50" 1.50" 22.75" 1.25" 16
14" 15.75" 13.25" 4.94" 21.00" .063" 16.25" 14.00" 5.00" 1.32" 18.75" 1.12" 12
20" 22.00" 19.25" 5.63" 27.50" .063" 23.00" 20.00" 5.69" 1.63" 25.00" 1.25" 20
24" 26.12" 23.25" 5.94" 32.00" .063" 27.25" 24.00" 6.00" 1.82" 29.50" 1.38" 20
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
Nominal Pipe Size
NPS
(in)		 Class 900
Dia of
Flange
(in)		 No.
of
Bolts		 Dia of
Bolts
(in)		 Dia of
Bolt Holes
(in)		 Bolt
Circle
(in)
1/2 4-3/4 4 3/4 0.88 3-1/4
3/4 5-1/8 4 3/4 0.88 3-1/2
1 5-7/8 4 7/8 1 4
1-1/4 6-1/4 4 7/8 1 4-3/8
1-1/2 7 4 1 1.12 4-7/8
2 8-1/2 8 7/8 1 6-1/2
2-1/2 9-5/8 8 1 1.12 7-1/2
3 9-1/2 8 7/8 1 7-1/2
4 11-1/2 8 1-1/8 1.25 9-1/4
5 13-3/4 8 1-1/4 1.38 11
6 15 12 1-1/8 1.25 12-1/2
8 18-1/2 12 1-3/8 1.5 15-1/2
10 21-1/2 16 1-3/8 1.5 18-1/2
12 24 20 1-3/8 1.5 21
14 25-1/4 20 1-1/2 1.62 22
16 27-3/4 20 1-5/8 1.75 24-1/2
18 31 20 1-7/8 2 27
20 33-3/4 20 2 2.12 29-1/2
24 41 20 2-1/2 2.62 35-1/2
Bulk discount on RF, TF, FF, GF, RTJ JIS B2220 Monel Alloy 400 Orifice Flanges and DIN 2.4360 Forged Flange in Mumbai
NPS (Nominal Pipe Size) NPT (Threaded) WRNR (Weld Neck) SWRF (Socket Weld) Loose (Lap Joint) SORF (Slip On) BLRF (Blind)
½ 1 2 2 1 1 2
1 2 3 2 2 2 2
1¼ 3 3 3 3 3 3
2 5 6 5 5 5 5
¾ 2 2 2 2 2 2
2½ 8 10 8 8 8 7
3 9 11.5 9 9 9 9
1½ 3 4 3 3 3 4
3½ 12 12 11 11 11 13
4 13 16.5 13 13 13 17
6 19 26 19 19 19 27
8 30 42 30 30 30 47
10 43 54 43 43 43 70
5 15 21 15 15 15 20
12 64 88 64 64 64 123
14 90 114 90 105 90 140
18 130 165 130 160 130 220
20 165 197 165 195 165 285
22 185 225 185 245 185 355
16 98 140 98 140 106 180
24 220 268 220 275 220 430
Monel 400 Ni C Al Mn Si Fe Cu S Co Cr
63.0 min 0.3 max 0.50 max 2.0 max 0.5 max 1.0 – 2.5 28.0 – 34.0 0.02 max – –
Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
8.8 g/cm3 1350 °C (2460 °F) Psi - 35,000 , MPa - 240 Psi - 80,000 , MPa - 550 40 %
STANDARD UNS WERKSTOFF NR. AFNOR EN JIS BS GOST
Monel 400 N04400 2.4360 NU-30M NiCu30Fe NW 4400 NA 13 МНЖМц 28-2,5-1,5
Property Value (Metric) Value (Imperial)
Modulus of Elasticity 179 GPa 26,000 ksi
Thermal Expansion (20ºC) 13.9*10-6º C-1 7.7*10-6 in/(in*ºF)
Specific Heat Capacity 427 J/(kg*K) 0.102 BTU/(lb*ºF)
Thermal Conductivity 21.8 W/(m*K) 151 BTU*in/(hr*ft2*ºF)
Electric Resistivity 54.7*10-8 Ohm*m 54.7*10-6 Ohm*cm
Tensile Strength (Annealed) 550 MPa 79,800 psi
Yield Strength (Annealed) 240 MPa 34,800 psi
Elongation 48% 48%
Liquidus Temperature 1,350º C 2,460º F
Solidus Temperature 1,300º C 2,370º F
Check JIS 10K Alloy 400 Lap Joint Flange and Monel 400 Plate Flange pressure temperature ratings
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1500 LBS Monel 400 Blind Flange

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150 LBS Monel Alloy 400 WNRF Flange

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2500 LBS Monel Alloy BLRF Flanges

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5000 NB Monel 2.4360 Tongue & Groove Flange

5000 NB Monel 2.4360 Tongue & Groove Flange

Din 2.4360 Ring Joint Flange

Din 2.4360 Ring Joint Flange

Monel 400 Pipe Flanges

Monel 400 Pipe Flanges

Monel Flanges

Monel Flanges

Monel Blind Flange

Monel Blind Flange

Monel Alloy Flanges

Monel Alloy Flanges

Alloy 400 Flanges

Alloy 400 Flanges

ASTM B564 UNS N04400 Flanges

ASTM B564 UNS N04400 Flanges

Nickel 400 Flanges

Nickel 400 Flanges

Flange Tolerance Table
D Inside Diameter (I.D.)
  • 10" and smaller: ±1/32" (0.8 mm)
  • 12" thru 18": +1/8" (3.2 mm)
  • 20" and larger: -1/16" (1.6 mm)
K Length of hub
  • 10" and smaller: ±1/16" (1.6 mm)
  • 12" and larger: ±1/8" (3.2 mm)
B Diameter of contact face
  • 1/16" raised face: ±1/32" (0.8 mm)
  • 1/4" RF (Raised Face), T/G (Tongue & Groove), (male & female), (m/f): ±1/64" (0.4 millimeter)
A O.D. (Outside Diameter)
  • When O.D. (Outside Diameter) is 24" or less: ±1/16" (1.6 millimeter)
  • When O.D. (Outside Diameter) is over 24": ±1/8" (3.2 millimeter)
J Diameter of hub at base
  • When hub base is 24" or smaller: ±1/16" (1.6 millimeter)
  • When hub base is over 24": ±1/8" (3.2 millimeter)
P Drilling
  • Circle Bolts: ±1/16" (1.6 mm)
  • Bolts hole spacing: ±1/32" (0.8 mm)
  Eccentricity of bolt circle with respect to facing
  • 2 1/2" and smaller ±1/32" (0.8 mm) maximum
  • 3" and larger ±1/16" (1.6 mm) maximum
H Diameter of hub at point of welding
  • 5" and smaller: +3/32" (2.4 mm), -1/32" (0.8 mm)
  • 6" and larger: +5/32" (4.0 mm), -1/32 (0.8 mm)
C Thickness
  • 18" and smaller: ±1/8" (3.2 mm), -0"
  • 20" and larger: ±3/16" (4.8 mm), -0"
  • High-temperature resistance to seawater and steam
  • Excellent resistance to brackish or seawater flowing at high speeds.
  • In most freshwaters, it has excellent resistance to stress corrosion cracking.
  • When de-aerated, they are particularly resistant to hydrochloric and hydrofluoric acids.
  • Resistance to neutral and alkaline salts is exceptional.
  • Resistance to stress corrosion cracking caused by chloride

Monel 400 Flanges is easily welded with appropriate filler metals utilising gas-tungsten arc, gas metal arc, or shielded metal arc methods. There is no requirement for post-weld heat treatment; however, thorough cleaning after welding is essential for best corrosion resistance; otherwise, contamination and embrittlement are risks.

Density 8.83 g/cm³
Melting point 1300-1390 ℃
  • Fossil Fuel Power Plants
  • Oil And Gas Industry
  • Marine Applications
  • Nuclear Power
  • Ship Building
  • Power Plants
  • Paper & Pulp
  • Refineries

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