Monel 400 Flanges and ASTM B564 UNS N04400 Blind Flange

How do you verify the authenticity of the monel 400 flanges manufacturer?

Authentic manufacturers like Vishal Steel will provide you high quality monel products at competitive rates. Before choosing any monel 400 flanges manufacturer in India, check their certificates and credentials.

You must also review their history and seek industry references & recommendations.
Contact some shortlisted manufacturers and ask for ASME SB564 N04400 threaded flange catalog and product sample.
Inquire about their testing, inspection and certification process and visit the facility, if possible.

What are the 3 reasons for rejection of monel flanges material?

If the monel flanges are not made as per the recommended dimensions. They will not fit the given application properly and may lead to system failure.
Defects like cracks, porosity, etc., can weaken the flange, compromise its structural integrity and cause rejection.
If there are imperfections on the nickel alloy 400 socket weld flange’s outer or inner surface, like cracks, dents, pits, etc. They can initiate corrosion and affects its overall performance.

What is the difference between class 150 and class 300 in Alloy 400 blind flange pressure class?

The difference between pressure class 150 and 300 for alloy 400 blind flange is in their ability to withstand maximum pressure at a given temperature. Class 150 flanges are for low pressure applications whereas 300 is for more robust and high pressure services.

Table Of Content:

Monel 400 Flanges Specification
Monel Blind Flanges Price
Monel 400 Weld Neck Flanges Price
Hydrochloric Acid Of Monel 400 Forgings Corrosion Rate
Monel Forged Flange Thermal Properties
Monel 400 Forged Flanges Temperature Range
ASTM B564 UNS N04400 Forging Plant Corrosion Tests
Alloy 400 Hot Forged Flange Brinell Hardness
UNS N04400 Flange Impact Strength
Resistance Of UNS N04400 Forging To Impingement Attack By Seawater
SB 564 N04400 Slip On Flange Sealing Types
Type of Alloy 400 Flanges Material
Monel 400 Flange Pressure Rating
Monel 400 Blind Flanges Dimensions
Alloy 400 Slip On Flanges Dimensions
ASTM B564 UNS N04400 Weld Neck Flanges Dimensions
Monel 400 Slip On Flanges Weight

Alloy 400 Weld Neck Flanges Weight
ASME SB564 N04400 Blind Flange Weight Chart
ASTM B564 UNS N04400 Flanges Gasket Chart
Alloy 400 Flanges Bolt Size as per Class 1500
Advantages of Monel 400 Flanges
ASTM B564 UNS N04400 Flanges Equivalent Material
Monel 400 Pipe Flanges Chemical Composition
DIN 2.4360 Flanges Mechanical Properties
UNS N04400 Blind Flange Physical Properties
Monel 400 Forging
Hot Working Of Monel 400 Pipe Flange
DIN 2.4360 Orifice Flanges Cold Working
B564 UNS N04400 Flange Tensile Strength
N04400 Steel Flange Yield Strength

Specification Of ASTM B564 UNS N04400 Blind Flange With Updated Price List

Monel 400 Flanges Specification

Common Size :

NPS: ½” to 48″
15NB – 1500NB
PN 2.5 – PN 400

Melting Point :

1350 °C (400)
1350 °C (K500)

Advantages :

High strength
Good corrosion resistance
High temperatures
Good weldability

Schedule :

SCH 10/ 20/ 40
SCH 60/ 80/ 100
SCH 120/ 140
SCH 160/ 180

Pressure :

Class 125, 150
Class 300, 400
Class 600, 900
Class 1500, 2500

Standard & Size :

ASME B16.5 : 1/2″ To 24″
ASME B16.47 : 24″ To 60″
ASME B16.36 : 2″ To 24″
ASME B16.48 : 2″ To 24″

UNS & WNR Number :

UNS N05500 & 2.4375 (K500)
UNS N04400 & 2.4360 (400

Curie Temperature :

20.0 – 50.0 °C (400)

No. Of Bolts Hole :

4 To 48

Forging Process :

Cutting & sealing faces
Choose material & forging
Chamfering edges
Drilling holes

Threads :

BSPP (Male & female)
MNPT (Male)
MPT/ BSPT (Female)
NPT/ BSP/ FPT

Surface Finish :

Smooth finish
Concentric serrated
Cold water finish
Spiral serrated

Faces Method :

M&F face (Male & female)
RF face (Raised)
RTJ face (Ring type joint)
FF face (Plain or flat)
T&G face (Tongue & groove)

Corrosion Resistance

Organic Acid
Sulfuric Acid
Nitric Acid
Seawater
Hydrochloric Acid
Phosphoric Acid
Alkalies and Salts

Applications

Oil & gas plants
Petrochemicals industry
Sea water exchanger
Nuclear energy sector

Density :

8.44 g/cm3 (K500)
8.8 g/cm3 (400)

Forging Temperature :

800 to 1,200°C (400)
900 to 1,150°C (K500)

Types Of Connection:

Threaded
Welding

For More Information Please Contact US

Monel Blind Flanges Price

NPS	Weight	Class 150	Class 150	Weight	Class 300	Class 300
	LBS	Price In US$ (Dollar)	Price In Dirham (AED)	LBS	Price In US$ (Dollar)	Price In Dirham (AED)
1/2	1	US$ 12.31	45.21	2	US$ 20.80	76.40
3/4	2	US$ 13.30	48.85	3	US$ 21.84	80.22
1	2	US$ 15.30	56.20	3	US$ 27.82	102.18
1-1/4	3	US$ 18.13	66.59	4	US$ 40.09	147.25
1-1/2	4	US$ 20.41	74.97	6	US$ 42.25	155.18
2	5	US$ 24.38	89.55	8	US$ 50.16	184.24
2-1/2	7	US$ 36.49	134.03	12	US$ 70.78	259.97
3	9	US$ 44.46	163.30	16	US$ 74.18	272.46
3-1/2	13	US$ 89.38	328.29	21	US$ 80.33	295.05
4	17	US$ 70.61	259.35	27	US$ 109.22	401.16
5	20	US$ 91.63	336.55	35	US$ 188.14	691.03
6	26	US$ 114.51	420.59	50	US$ 249.35	915.85
8	45	US$ 164.89	605.64	81	US$ 383.00	1406.75
10	70	US$ 256.38	941.67	125	US$ 576.75	2118.38
12	110	US$ 390.35	1433.74	185	US$ 776.87	2853.42
14	140	US$ 599.85	2203.23	250	US$ 1249.98	4591.13
16	180	US$ 770.06	2828.40	295	US$ 1517.90	5575.19
18	220	US$ 1133.69	4164.00	395	US$ 1668.50	6128.34
20	285	US$ 1270.99	4668.30	505	US$ 2588.58	9507.76
24	430	US$ 1999.79	7345.16	790	US$ 3626.09	13318.50

Monel 400 Weld Neck Flanges Price

NPS	Weight	Class 150	Class 150	Weight	Class 300	Class 300
	LBS	Price In US$ (Dollar)	Price In Dirham (AED)	LBS	Price In US$ (Dollar)	Price In Dirham (AED)
1/2	2	US$ 19.38	71.18	2	US$ 34.92	128.26
3/4	2	US$ 26.77	98.33	3	US$ 28.25	103.76
1	3	US$ 35.79	131.46	4	US$ 39.88	146.48
1-1/4	3	US$ 46.93	172.37	5	US$ 46.99	172.59
1-1/2	4	US$ 62.25	228.64	7	US$ 57.46	211.05
2	6	US$ 78.83	289.54	9	US$ 68.20	250.50
2-1/2	8	US$ 82.92	304.56	12	US$ 84.92	311.91
3	10	US$ 91.09	334.57	15	US$ 95.09	349.26
3-1/2	12	US$ 115.97	425.95	18	US$ 99.11	364.03
4	15	US$ 126.48	464.56	25	US$ 117.59	431.90
5	19	US$ 133.48	490.27	32	US$ 209.70	770.22
6	24	US$ 150.02	551.02	42	US$ 243.16	893.12
8	39	US$ 199.35	732.21	67	US$ 352.30	1293.99
10	52	US$ 251.73	924.60	91	US$ 562.38	2065.60
12	85	US$ 388.33	1426.32	140	US$ 789.03	2898.08
14	110	US$ 584.36	2146.33	180	US$ 1244.51	4571.04

Hydrochloric Acid Of Monel 400 Forgings Corrosion Rate

Weight %	Corrosion rate		Time (days)	Temperature in °C and °F
Weight %	Mm/y	Mpy	Time (days)	°C	°F
48%	1.2 Mm/y	48 Mpy	35	550°C	1020°F
50%	0.46 Mm/y	18 Mpy	35	40°C to 95°C	100 °F to 200 °F
65%	0.13 Mm/y	4.8 Mpy	35	40°C to 95°C	100 °F to 200 °F
70%	0.14 Mm/y	5.4 Mpy	35	40°C to 95°C	100 °F to 200 °F

Monel Forged Flange Thermal Properties

Temp°F	Specific Heat	Thermal Conductivity
70	427 J/kg•°C	22.0 W/m•°C
-100	378 J/kg•°C	19.8 W/m•°C
-200	320 J/kg•°C	18.2 W/m•°C
-300	223 J/kg•°C	16.5 W/m•°C

Monel 400 Forged Flanges Temperature Range

Up to 1000° F

ASTM B564 UNS N04400 Forging Plant Corrosion Tests

Material	Corrosion Rate, mpy (mm/a)
AISI 316	>190 (>4.83)b
AISI 304	>210 (>5.33)b
ASTM B564 UNS N04400	22 (0.56)
ASTM B564 UNS N06600	150 (3.81)

ASME SB564 N04400 Weld Neck Flange Manufacturer in India, Check Alloy 400 Slip On Flange Brinell Hardness & Resistance Chart

Alloy 400 Hot Forged Flange Brinell Hardness

Brinell Hardness = 125-215

UNS N04400 Flange Impact Strength

Temper	Impact Strength, ft•lb
Temper	Charpy U Notch	Izod
Forged	75-115	–
Annealed	90-120+	215

Resistance Of UNS N04400 Forging To Impingement Attack By Seawater

Material	Corrosion Rate
Material	mm/a	mpy
ASTM B564 UNS N06625	Nil	Nil
ASTM B564 UNS N08825	0.008	0.3
ASTM B564 UNS N04400	0.001	0.4

SB 564 N04400 Slip On Flange Sealing Types

Face Types	Marking symbol	Diagram
Male Female Face	M&F
Tongue Groove Face	T & G
Lap Joint Face	LJRF
Ring Type Joint	RTJ
Flat Face	FF
Raised Face	RF

How can I select the right pressure ratings for UNS N04400 slip on flange oli & gas application?

To select the right ASTM B564 UNS N04400 slip on flange for your oil & gas application, you must thoroughly understand the operating conditions. This will include the operating temperature and pressure.
Review the industry standards and identify the properties of the fluid or gas.
Determine the design pressure and make sure to apply the design margin for the same.

Type Of Alloy 400 Flanges Material

Monel Alloy Orifice Flange

ASME SB564 N04400 Spectacle Blind Flange

Nickel Alloy 400 Plate Flange

400 Monel Reducing Flange

Monel DIN 2.4360 Vanstone Flange

Monel Alloy 400 Raised Face Flange

UNS N04400 Monel 400 Square Flange

Monel 400 Nickel Flat Face Flange

Nickel Alloy 400 Tapped Blind Flange

Alloy 400 Nickel Long Weld Neck Flange

Monel Blind Flange

Monel Slip On Flange

Monel Weld Neck Flange

Monel Alloy Flanges

Monel Flange

Monel 400 Pipe Flanges

Monel 400 Forged Flange

ASTM B564 N04400 Flange

Monel 400 Flange Pressure Rating

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

Supplier of Nickel Alloy 400 Socket Weld Flange in Mumbai, Dimensions Of 400 Monel Lap Joint Flange with Hydrostatic (Hydro) Testing & MTR reports

Monel 400 Blind Flanges Dimensions

(Normal Size Of Steel Pipe) In Inch	Outer Daimeter Of (A)	WT Of (B)	RF Daimeter Of (C)	(D) (B.C.D.)	# BLRF Flanges Bolts Holes	Daimeter Of BLRF Bolt Holes	Weight In Kilogram (KG)
1/2	3-1/2	7/16	1-3/8	2-3/8	4	5/8	2
3/4	3-7/8	1/2	1-11/16	2-3/4	4	5/8	2
1	4-1/4	9/16	2	3-1/8	4	5/8	2
1-1/4	4-5/8	5/8	2-1/2	3-1/2	4	5/8	3
1-1/2	5	11/16	2-7/8	3-7/8	4	5/8	3
2	6	3/4	3-5/8	4-3/4	4	3/4	4
2-1/2	7	7/8	4-1/8	5-1/2	4	3/4	7
3	7-1/2	15/16	5	6	4	3/4	9
3-1/2	8-1/2	15/16	5-1/2	7	8	3/4	13
4	9	15/16	6-3/16	7-1/2	8	3/4	17
5	10	15/16	7-5/16	8-1/2	8	7/8	20
6	11	1	8-1/2	9-1/2	8	7/8	27
8	13-1/2	1-1/8	10-5/8	11-3/4	8	7/8	47
10	16	1-3/16	12-3/4	14-1/4	12	1	67
12	19	1-1/4	15	17	12	1	123
14	21	1-3/8	16-1/4	18-3/4	12	1-1/8	139
16	23-1/2	1-7/16	18-1/2	21-1/4	16	1-1/8	187
18	25	1-9/16	21	22-3/4	16	1-1/4	217
20	27-1/2	1-11/16	23	25	20	1-1/4	283
24	32	1-7/8	27-1/4	29-1/2	20	1-3/8	415

Alloy 400 Slip On Flanges Dimensions

NPS	OD (Outer Diameter)	(T) Thickness	(E) Diameter at Base	(B) Bore	(L) LTH	Drilling -(BC) Bolt Circle	SORF Hole Diameter	Number of Holes	Weight In (LBS)
26	34.25	2	28.5	26.19	3.375	31.75	1.375	24	235
28	36.5	2.062	30.75	28.19	3.438	34	1.375	28	269
30	38.75	2.125	32.75	30.19	3.5	36	1.375	28	303
32	41.75	2.25	35	32.19	3.625	38.5	1.625	28	375
34	43.75	2.312	37	34.19	3.688	40.5	1.625	32	401
36	46	2.375	39.25	36.19	3.75	42.75	1.625	32	452
38	48.75	2.375	41.75	38.19	3.75	45.25	1.625	32	528
40	50.75	2.5	43.75	40.19	3.875	47.25	1.625	36	573
42	53	2.625	46	42.19	4	49.5	1.625	36	648
44	55.25	2.625	48	44.19	4	51.75	1.625	40	688
46	57.25	2.688	50	46.19	4.062	53.75	1.625	40	733
48	59.5	2.75	52.25	48.19	4.125	56	1.625	44	799
50	61.75	2.75	54.25	50.19	4.125	58.25	1.875	44	827
52	64	2.875	56.5	52.19	4.25	60.5	1.875	44	922
54	66.25	3	58.75	54.19	4.375	62.75	1.875	44	1024
60	73	3.125	65.25	60.19	4.5	69.25	1.875	52	1253
66	80	3.375	71.5	66.19	4.875	76	1.875	52	1623
72	86.5	3.5	78.5	72.19	5	82.5	1.875	60	1922
78	93	3.875	84.5	78.19	5.375	89	2.125	64	2279
84	99.75	3.875	90.5	84.19	5.375	95.5	2.125	64	2586
90	106.5	4.25	96.75	90.19	5.75	102	2.438	68	3061
96	113.25	4.25	102.75	96.19	5.75	108.5	2.438	68	3432

ASTM B564 UNS N04400 Weld Neck Flanges Dimensions

Normal Size Of Steel Pipe in Inch	NPS (Normal Pipe Size) Size in Millimeter	O.D.	Wall Thickness	Hub Outer Diameter	Weld Neck Outer Diameter	ASME B16.5 WNRF Length	Raised Face Diameter	Height Of Raised Face	PCD	Face Of WNRF
		(A)	(B)	(C)	(D)	(E)	(G)	(H)	(I)	(J)
1/2	15	90	9.6	30	21.3	46	34.9	2	60.3	1.6
3/4	20	100	11.2	38	26.7	51	42.9	2	69.9	1.6
1	25	110	12.7	49	33.4	54	50.8	2	79.4	1.6
1 1/4	32	115	14.3	59	42.2	56	63.5	2	88.9	1.6
1 1/2	40	125	15.9	65	48.3	60	73	2	98.4	1.6
2	50	150	17.5	78	60.3	62	92.1	2	120.7	1.6
2 1/2	65	180	20.7	90	73	68	104.8	2	139.7	1.6
3	80	190	22.3	108	88.9	68	127	2	152.4	1.6
3 1/2	90	215	22.3	122	101.6	70	139.7	2	177.8	1.6
4	100	230	22.3	135	114.3	75	157.2	2	190.5	1.6
5	125	255	22.3	164	141.3	87	185.7	2	215.9	1.6
6	150	280	23.9	192	168.3	87	215.9	2	241.3	1.6
8	200	345	27	246	219.1	100	269.9	2	298.5	1.6
10	250	405	28.6	305	273	100	323.8	2	362	1.6
12	300	485	30.2	365	323.8	113	381	2	431.8	1.6
14	350	535	33.4	400	355.6	125	412.8	2	476.3	1.6
16	400	595	35	457	406.4	125	469.9	2	539.8	1.6
18	450	635	38.1	505	457.2	138	533.4	2	577.9	1.6
20	500	700	41.3	559	508	143	584.2	2	635	1.6
24	600	815	46.1	663	610	151	692.2	2	749.3	1.6

Monel 400 Slip On Flanges Weight

NPS (Inches)	SOW SW
1/2	1.8
3/4	2.4
1	3.6
1 1/4	4
1 1/2	5.5
2	10.2
2 1/2	13.9
3	11.6
4	19.7
5	31.9
6	41.1
8	70.7
10	101.0
12	133.0
14	153.0
16	185.0
18	258.0
20	317.0
24	606.0

Alloy 400 Weld Neck Flanges Weight

NPS (Inches)	WN
1/2	1.9
3/4	2.6
1	3.7
1 1/4	4.3
1 1/2	5.9
2	10.8
2 1/2	15
3	13.7
4	22.5
5	37.4
6	47.7
8	81.3
10	119
12	157.0
14	180.0
16	217.0
18	292.0
20	362.0
24	665.0

ASME SB564 N04400 Blind Flange Weight Chart

NPS (Inches)	BLIND
1/2	1.8
3/4	2.4
1	3.6
1 1/4	4.1
1 1/2	5.8
2	10
2 1/2	14
3	13.1
4	26.9
5	36.5
6	47.4
8	82.5
10	122.0
12	173.0
14	206.0
16	259.0
18	367.0
20	463.0
24	876.0

Check Weight Of Monel Alloy 400 Forged Flange in Class 150 To 2500, and DIN 2.4360 Threaded Flange Material Gaskets and Bolts, Leak-Free Connections Guaranteed

ASTM B564 UNS N04400 Flanges Gasket Chart

Composite	Non-Metallic	Metallic – Ring Gasket
Spiral Wound Gaskets	Compressed Non-Asbestos Fibre Gasket (CNAF)	Oval Ring Gasket
Camprofile Gaskets	PTFE Gasket	Octagonal Ring Gasket
Metal Jacketed Gasket	Rubber Gasket	-

Alloy 400 Flanges Bolt Size as per Class 1500

Size in Inch	ISO Stud Size	No of Bolts	Bolt Size UNC
1/2	M20	4	3/4
3/4	M20	4	3/4
1	M24	4	7/8
1 1/4	M24	4	7/8
1 1/2	M27	4	1
2	M24	8	7/8
2 1/2	M27	8	1
3	M30	8	1 1/8
4	M33	8	1 1/4
5	M39	8	1 1/2
6	M36	12	1 3/8
8	M42	12	1 5/8
10	M48	12	1 7/8
12	M52	16	2
14	M56	16	2 1/4
16	M64	16	2 1/2
18	M72	16	2 3/4
20	M76	16	3
24	M90	16	3 1/2

ASME Standard Of Monel Alloy Threaded Flange

ANSI B16.5
MSS SP-44
PN
UNI
BS 4504
ASME B16.5
JIS
EN 1092-2 PN16
DIN
EN 1092-1
AWWA C207

Advantages Of Monel 400 Flanges

Good corrosion resistance
High strength
Good weldability
Low torque operation.

ASTM B564 UNS N04400 Flanges Equivalent Material

UNS

N04400

WERKSTOFF NR.

2.4856

NiCu30Fe

AFNOR

NU-30M

GOST

МНЖМц 28-2,5-1,5

NA 13

JIS

NW 4400

WERKSTOFF NR.

2.4360

Manufacturer of Monel 400 Long Weld Neck Flange in Flat & Raised Face, and Chemical Composition Of Alloy 400 Plate Flange Suitable For High Temperature and Pressure Applications

Monel 400 Pipe Flanges Chemical Composition

Carbon

0.30 (max.)

Manganese

2.00 (max.)

Silicon

0.50 (max.)

Copper

28.00 – 34.00

Iron

2.50 (max.)

Nickel

63.00 (min.)

Sulphur

0.024 (max.)

DIN 2.4360 Flanges Mechanical Properties

Element	Alloy 400 Flanges
Density	8.8 g/cm3
Yield Strength (0.2%Offset)	MPa – 240, PSI – 35,000
Tensile Strength	MPa – 550, PSI – 80,000
Elongation	40%
Melting Point	2460 °F (1350 °C)

UNS N04400 Blind Flange Physical Properties

Density		Melting Range		Curie Temperature		Electrisity Resistivity
8.80	0.318	2370-2460	1300-1350	70-120	21-49	547
g/cm³	lb/in³	°F	°C	°F	°C	µΩ·m

What is the difference between a RF and a RTJ face type in monel alloy weld neck flange?

The RF monel alloy weld neck flanges have a raised portion on the flange face surrounding the bore. The RTJ type has grooves on the flange face through which a metal gasket is installed.
RF flanges are suitable for low to moderate pressure & temperature applications. RTJ is preferred for high temperature and pressure applications where sealing integrity is crucial.
RF is more cost effective than RTJ flanges.

What precautions should be taken during the DIN 2.4360 orifice flanges welding process?

Select the right welding process as per the application requirements.
Consider preheating the DIN 2.4360 orifice flanges within the recommended range of 200-300 °C.
Choose the right filler material depending on the welding technique.

Monel 400 Forging

Forging of this alloy is to be done by controlled procedures.

Hot Working Of Monel 400 Pipe Flange

Typical temperatures for hot working range between 648-1176°C (1200-2150°F).

DIN 2.4360 Orifice Flanges Cold Working

Cold working may be done using soft die materials for better finishing.

B564 UNS N04400 Flange Tensile Strength