What are the key steps involved in machining Inconel 625 flanges?

These nickel-chromium components (58% nickel) are famous for their brilliant resilience and creep and rupture strength. Since Inconel 625 flanges show good weldability, they suit different applications. However, this material has a low machinability rating due to its toughness and tendency for work hardening.

The main steps in machining are turning, drilling and milling. The latter iinvolves further actions, like roughing, semi-finishing and finishing. Mills employ sharp cutting edges and accurate speeds to machine a nickel 625 plate flanges. Using the appropriate geometry (even specially created, if necessary) is imperative for accuracy.

We are one of the biggest alloy 625 blind flange manufacturer in India

Inconel 625 flanges manufacturer in India

What are the 6 applications for Alloy 625 blind flanges?

Blind flanges can close pipe ends or help conduct maintenance activities in diverse industries. An Alloy 625 blind flanges brings strength, durability, and tolerance.

  • Marine industries, for undersea communication cables, submarine parts, etc.(An Inconel 6625 socket weld flanges resists chloride ions in seawater.)
  • Aerospace, for e.g., exhaust systems, thrust reversers, jet engines, etc.
  • Chemical processing plants
  • Power plants (including nuclear power)
  • Petroleum, natural gas sectors
  • Refuse incinerators (this is due to the intrinsic resistance to halogen attacks)

We are eminent supplier of UNS N06625 slip on and weld neck flanges in Mumbai, call us to get latest nickel alloy 625 flanges price per kg

Inconel 625 flanges

Inconel 625 flanges

Alloy 625 blind flange

Alloy 625 blind flange

UNS N06625 slip on flanges

UNS N06625 slip on flanges

What are the benefits of using thermally sprayed coatings on UNS N06625 slip on flanges?

These piping components handle a vast temperature range, from cryogenic up to 1,093°C (or to 2,000°F). A UNS N06625 slip on flanges works in many high-temperature environments, like oil and gas production. Manufacturers can offer thermally sprayed coatings for additional protection against these conditions.

Thermally sprayed coats can use ceramic, metal, and composites and re-energise damaged areas. It performs the desired coat in regions standard methods find too difficult. Powdered materials resembling the base material and its attributes are used.

A key benefit of thermal spraying is a thicker coating that develops faster and has low environmental impact. These coats prolong the functional life and guard against deformation (heat or chemical).

Being an experienced stockist, we provide ASTM B564 DIN 2.4856 socket weld and threaded flanges in schedule 40 to schedule 160 at affordable cost

Table of Content

Inconel 625 flanges specifications

Inconel 625 flanges specifications

Certification Pressure Class Production technique Application
  • 100% Radiography Test Report
  • EN 10204/3.1B
    Raw Materials Certificate
  • Third Party Inspection Report etc
 150, 300, 600, 900, 1500, 2500
  • Forged Heat treated and machined
 Aerospace, Chemical Processing & Power Generation
Standards Sizes Equipment Face type
ASTM B564 | ASME SB564 1/2 to 60 inch
  • Sand-blasting machine
  • Press machine
  • Pushing Machine
  •  Bending machine
  • Electric bevelling machine
  • (FF) flat
  • (RF) raised
  • (RTJ) ring joint
  • (M&F) lap joint male and female
  • (T&G) tongue and groove
we will help you with any Inconel 6625 forged flanges requirment, to finish your project, request quote now
Alloy 625 flanges types

Spectacle blind flange

Spectacle blind flanges

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

Nickel alloy 625 weld neck flanges

Nickel alloy 625 weld neck flanges

  • ASME standard: ANSI/ASME B16.5
  • Pressure: PN6 to PN64

DIN 2.4856 lap joint flanges

DIN 2.4856 lap joint flanges

  • ASTM specification: ASTM B564 | ASME SB564
  • Production technique: Forged, Heat treated and machined

Inconel 6625 socket weld flanges

Inconel 6625 socket weld flanges

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

WNR 2.4856 forged flanges

WNR 2.4856 forged flanges

  • Aerospace
  • Chemical Processing
  • Power Generation

Nickel 625 threaded flange

Nickel 625 threaded flanges

  • Korean
  • West Europe
  • Japan
  • Indian
  • USA
Dimensions of DIN 2.4856 lap joint flanges
NPS For (Normal Pipe Sizes) in Inch Wall Thk Of (B) Outside Dia Of (O.D.)
(A)		 Dia Of Raised Face
(C)		 # flanges Bolts
Holes		 (D)
(B.C.D.)		 Approx.
Weight In (Kilogram)		 Dia Of Bolt Holes
1/2 7/16 3-1/2 1-3/8 4 2-3/8 2 5/8
3/4 1/2 3-7/8 1-11/16 4 2-3/4 2 5/8
1 9/16 4-1/4 2 4 3-1/8 2 5/8
1-1/4 5/8 4-5/8 2-1/2 4 3-1/2 3 5/8
1-1/2 11/16 5 2-7/8 4 3-7/8 3 5/8
2 3/4 6 3-5/8 4 4-3/4 4 3/4
2-1/2 7/8 7 4-1/8 4 5-1/2 7 3/4
3 15/16 7-1/2 5 4 6 9 3/4
3-1/2 15/16 8-1/2 5-1/2 8 7 13 3/4
4 15/16 9 6-3/16 8 7-1/2 17 3/4
5 15/16 10 7-5/16 8 8-1/2 20 7/8
6 1 11 8-1/2 8 9-1/2 27 7/8
8 1-1/8 13-1/2 10-5/8 8 11-3/4 47 7/8
10 1-3/16 16 12-3/4 12 14-1/4 67 1
12 1-1/4 19 15 12 17 123 1
14 1-3/8 21 16-1/4 12 18-3/4 139 1-1/8
16 1-7/16 23-1/2 18-1/2 16 21-1/4 187 1-1/8
18 1-9/16 25 21 16 22-3/4 217 1-1/4
20 1-11/16 27-1/2 23 20 25 283 1-1/4
24 1-7/8 32 27-1/4 20 29-1/2 415 1-3/8
Inconel 6625 socket weld flanges Pressure rating

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

 

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
WNR 2.4856 forged flanges weight chart
Flanges Standards Dia Flanges Class Dia of Bolt Hole Bolt Circle Dia No of Bolts Bolt Sizes
AS4087 95 PN14 14 67 4 M12
ANSI B16.5 89 ANSI 150 16 60 4 13
95 ANSI 300 16 67 4 13
95 ANSI 600 16 67 4 13
121 ANSI 900 22 83 4 19
121 ANSI 1500 22 83 4 19
AS 2129 95 Table C 14 67 4 13
95 Table D 14 67 4 13
95 Table E 14 67 4 13
95 Table F 14 67 4 13
114 Table H 17 83 4 16
114 Table J 17 83 4 16
ISO 7005 (DIN) 80 PN6 11 55 4 M10
95 PN10 14 65 4 M12
95 PN16 14 65 4 M12
90 PN20 16 60.5 4 M14
95 PN25 14 65 4 M12
95 PN40 14 65 4 M12
Available sizes of nickel 625 flanges
Flanges Size Range Flanges Class and Schedule Maximum Pressure Type Of Connection
1/2″ ASME B16.5 Class 300 720 psi Slip On
1/2″ ASME B16.5 Class 150 275 psi Socket Weld
1/2″ ASME B16.5 Class 300 720 psi Slip On
3/4″ ASME B16.5 Class 150 150 psi FNPT
4″ ASME B16.5 Class 300 720 psi Slip On
1/2″ ASME B16.5 Class 150 150 psi Welded
1″ ASME B16.5 Class 300 720 psi Slip On
1/2″ ASME B16.5 Class 150 150 psi FNPT
1-1/4″ ASME B16.5 Class 300 720 psi FNPT
3/4″ ASME B16.5 Class 150 275 psi Socket Weld
1″ ASME B16.5 Class 300 720 psi Slip On
1-1/4″ ASME B16.5 Class 150 275 psi Socket Weld
1-1/4″ ASME B16.5 Class 300 720 psi Slip On
2″ ASME B16.5 Class 150 150 psi FNPT
1-1/2″ ASME B16.5 Class 300 720 psi Slip On
1-1/2″ ASME B16.5 Class 150 275 psi Socket Weld
2″ ASME B16.5 Class 300 720 psi Slip On
2″ ASME B16.5 Class 150 275 psi Socket Weld
1-1/2″ ASME B16.5 Class 300 720 psi Slip On
2″ ASME B16.5 Class 300 720 psi Slip On
3″ ASME B16.5 Class 150 275 psi Socket Weld
2-1/2″ ASME B16.5 Class 300 720 psi Slip On
2-1/2″ ASME B16.5 Class 150 275 psi Socket Weld
2-1/2″ ASME B16.5 Class 300 720 psi Slip On
4″ ASME B16.5 Class 150 275 psi Socket Weld
3″ ASME B16.5 Class 300 720 psi Slip On
4″ ASME B16.5 Class 150 150 psi FNPT
3″ ASME B16.5 Class 300 720 psi Slip On
4″ ASME B16.5 Class 300 720 psi Slip On
Alloy 625 weld neck flanges tolerance
Inconel 625 Weld Neck Flanges Tolerance
D Inside Diameter (ID)
  • 12″ thru 18″: +1/8″
  • 10″ and smaller: ±1/32″
  • 20″ and larger: -1/16″
A OD
  • When OD is over 24″: ±1/8″
  • When OD is 24″ or less: ±1/16″
C Thickness
  • 20″ and larger: ±3/16″, -0″
  • 18″ and smaller: ±1/8″, -0″
J hub at base Diameter
  • When hub base is over 24″: ±1/8″
  • When hub base is 24″ or smaller: ±1/16″
B contact face Diameter
  • 1/4″ T/G (Tongue & Groove), RF (Raised Face), (male & female), (m/f): ±1/64″
  • 1/16″ raised face: ±1/32″
P Drilling
  • Bolts hole spacing: ±1/32″
  • Circle Bolts: ±1/16″
with respect to facing eccentricity of bolt circle
  • 3″ and larger ±1/16″ max
  • 2 1/2″ and smaller ±1/32″ max
H at point of welding diameter of hub
  • 6″ and larger: +5/32″ , -1/32
  • 5″ and smaller: +3/32″ , -1/32″
K hub length
  • 12″ and larger: ±1/8″
  • 10″ and smaller: ±1/16″
Standards of Inconel alloy 625 threaded flanges
American National Standards Institute
  • ANSI 600
  • ANSI 150
  • ANSI 125
  • ANSI 300
  • ANSI 1500
  • ANSI 900
Australian Standard

AS2129
  • Table G
  • Table D
  • Table E
  • Table F
  • Table J
  • Table H
  • Table C
British Standard

BS10
  • Table H
  • Table K
  • Table F
  • Table D
  • Table G
  • Table E
  • Table J
British Standard

BS4504
  • BS4504-25
  • BS4504-10
  • BS4504-6
  • BS4504-100
  • BS4504-16
  • BS4504-64
  • BS4504-40
  • PN25
  • PN64
  • PN16
  • PN40
  • PN6
  • PN100
  • PN10
Puchase here nickel 625 lap joint, plate and reducing flanges stock at unbeatable prices in Mumbai
Alloy 625 blind flanges chemical composition
Grade C Mn Si Fe S Cr2 Al-Ti Ni
625 min. – – – – – 20.0 – 58.0
max. 0.10 0.50 0.50 5.0 0.015 23.0 0.40 –
UNS N06625 slip on flanges mechanical properties
Grade Strength of Tensile (MPa) minimum Elongation (% in 50mm) minimum Strength of Yield 0.2% Proof (MPa) minimum Pipe Hardness
Rockwell B (HR B) maximum Brinell (HB) maximum
625 Psi – 1,35,000 , MPa -930 42.5 Psi – 75,000 , MPa – 517 – –
Equivalent grades of Nickel alloy 625 weld neck flanges
Grade Euronorm GOST UNS No Old British Japanese JIS
No AFNOR BS En
Alloy 625 2.4856 NC22DNB4M ХН75МБТЮ N06625 NA 21 NiCr22Mo9Nb NCF 625
What is the typical range of sizes available for Alloy 625 flanges?

The reputation of Alloy 625 flanges stems from their high fatigue strength and inimitable endurance. Buyers can order them in sizes of 1/2 to 48 or 60 inches. Clients across industrial sectors procure these components for pitting and crevice corrosion resistance and admirable tensile strength (around 760 MPa).

Can the dimensions of a Nickel alloy 625 weld neck flanges face affect its sealing performance?

Weld neck flanges adapt to high pressures and temperatures, delivering excellent sealing performance. A nickel alloy 625 weld neck flanges has a bore matching that of the pipe and connects through a complete penetration. The thickness of the flanges is crucial, as a thicker component can handle higher pressures.

As the flanges rating increases, the weight does as well. This dimension in an Inconel 6625 reducing flanges also affects how heat dissipates during welding. Another cardinal consideration is the tapered hub. It distributes stress and trims the possibility of leakage.

Are test certificates required for all DIN 2.4856 lap joint flanges, regardless of their application?

These flanges use a simple and cost-effective mechanism for sealing: a flat face with a stub end. A DIN 2.4856 lap joint flanges entails simpler bolting operations and works in multiple sectors, from construction to gas pipelines. Manufacturers share a Mill Test Report (EN 10204/3.1B), a raw materials certificate, and radiography results for these products.

WNR 2.4856 forged flanges undergo NDT procedures like ultrasonic examination, with hardness and tensile strengthtests. Buyers can specify additional tests or commission a third-party inspection report. While testing is not mandatory for all applications, we recommend it for safety and quality assurance.

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