Are there specific advantages or limitations to casting Incoloy 825 flanges?

Both forging and casting get employed by leading manufacturers of these flanges; the choice depends on requirements, budget, and order volumes. Casting Incoloy 825 flanges involves furnace melting and pouring the molten metal into the desired mould. It also encompasses cutting, machining, and heat treatments.

Casting is useful for complex shapes at budget-friendly prices. It delivers flexibility and low setup time. However, an 825 Incoloy forged flanges boasts better tensile strength and fatigue resistance. It is economically viable if the volumes are low.

Alloy 825 blind flange manufacturer in India as per ASTM B564

Incoloy 825 flanges manufacturer in India

Is Alloy 825 slip on flange suitable for seawater?

This material has nickel, iron, and chromium, but includes titanium and molybdenum as well for improved corrosion resistance. The profile of an Alloy 825 slip on flanges lets it adapt to seawater. The nickel guards against cracking triggered by chloride ions. It avoids intergranular corrosion, pitting, and general deformation.

A nickel alloy 825 lap joint flanges also operates in marine setups – it is speedy to install and suited to less criticality. It is employed in oil wells and chemical tanks with sulphuric and phosphoric acids.

We are experienced supplier of UNS N08825 slip on and weld neck flange in Mumbai as per ANSI B16.5

Incoloy 825 flanges

Incoloy 825 flanges

Alloy 825 slip on flange

Alloy 825 slip on flange

UNS N08825 blind flanges

UNS N08825 blind flanges

What are the drawbacks of UNS N08825 blind flange in terms of cost compared to alternative materials?

The applications of a UNS N08825 blind flanges are diverse: from propeller shafts and chemical processing equipment to heat exchangers. It can seal piping ends, allow expansion, or streamline repair and maintenance. Using Alloy 825 flanges for these purposes delivers reliability and corrosion resistance. However, they are pricier than many alternatives.

The steep price relates to the high nickel and chromium content. These products are more expensive than stainless steel, Monel, and titanium. Buyers should weigh the advantages in temperature and abrasion tolerance against acquisition costs.

Get quote for excellent  DIN 2.4858 socket weld and threaded flanges available in a range of schedules like Sch 40/ 60/ 160

Table of Content

Specifications of Incoloy 825 flanges

Incoloy 825 flanges specifications

Size Flanges Type Pressure
1/2 to 60″ NB Socket-Weld, Blind, Threaded, Weld Neck, Lap Joint, Slip-On PN6 – PN64
Specification Flanges Manufacturing Process Face type
ASTM B564 | ASME SB564
  • Forged
  • Heat treated
  • machined
 FF, RTJ, RF
Flanges Class Standard Application
150 to 2500 ANSIASME B16.5, B16.47 Series A & B Aerospace and Power Generation
As stockist we offer nickel alloy 825 forged and lap joint flange in smooth and spiral serrated finish at pocket friendly price
UNS N08825 flanges types

Inconel 825 flanges

Inconel 825 flanges

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

DIN 2.4858 reducing flanges

DIN 2.4858 reducing flanges

  • Tank trucks
  • Propellor shafts
  • Calorifiers

UNS N08825 socket weld flanges

UNS N08825 socket weld flanges

  • Forged
  • Heat treated
  • machined

Alloy 825 flanges

Alloy 825 flanges

  • Sizes: 1/2 – 60″
  • Class: 150# to 2500#

825 Incoloy forged flanges

825 Incoloy forged flanges

  • West Europe
  • Korean
  • Japan

Nickel 825 threaded flange

Nickel 825 threaded flange

  • ASTM B564 | ASME SB564
  • ANSI/ASME B16.5
  • Pressure: PN6 to PN64
Face type of alloy 825 flanges
Type Face Type of Incoloy 825 flanges
E Spigot
D Grooved Face
B Raised Face
A Flat Face
C Tongue Face
G Ring Recess
F Recess
H O-Ring Groove
Weight chart of DIN 2.4858 reducing flange
Flanges 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
Inconel 825 flanges stock list
flanges Size Range in inches Flanges Class and Schedule Type Of Connection Maximum Pressure
1/2 ANSI B16.5 Cl 150 Socket Weld 275 psi
3/4 ANSI B16.5 Cl 150 FNPT 150 psi
4 ANSI B16.5 Cl 300 Slip On 720 psi
1/2 ANSI B16.5 Cl 150 Welded 150 psi
1/2 ANSI B16.5 Cl 300 Slip On 720 psi
1 ANSI B16.5 Cl 300 Slip On 720 psi
1/2 ANSI B16.5 Cl 150 FNPT 150 psi
1-1/4 ANSI B16.5 Cl 300 FNPT 720 psi
1-1/4 ANSI B16.5 Cl 300 Slip On 720 psi
3/4 ANSI B16.5 Cl 150 Socket Weld 275 psi
1 ANSI B16.5 Cl 300 Slip On 720 psi
1-1/4 ANSI B16.5 Cl 150 Socket Weld 275 psi
2 ANSI B16.5 Cl 150 FNPT 150 psi
1-1/2 ANSI B16.5 Cl 300 Slip On 720 psi
1/2 ANSI B16.5 Cl 300 Slip On 720 psi
1-1/2 ANSI B16.5 Cl 150 Socket Weld 275 psi
2 ANSI B16.5 Cl 300 Slip On 720 psi
1-1/2 ANSI B16.5 Cl 300 Slip On 720 psi
2 ANSI B16.5 Cl 300 Slip On 720 psi
2 ANSI B16.5 Cl 150 Socket Weld 275 psi
3 ANSI B16.5 Cl 150 Socket Weld 275 psi
2-1/2 ANSI B16.5 Cl 150 Socket Weld 275 psi
2-1/2 ANSI B16.5 Cl 300 Slip On 720 psi
2-1/2 ANSI B16.5 Cl 300 Slip On 720 psi
3 ANSI B16.5 Cl 300 Slip On 720 psi
4 ANSI B16.5 Cl 150 FNPT 150 psi
4 ANSI B16.5 Cl 150 Socket Weld 275 psi
3 ANSI B16.5 Cl 300 Slip On 720 psi
4 ANSI B16.5 Cl 300 Slip On 720 psi
Alloy 825 slip on flange pressure rating

US Customary Unit

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

 

Metic Unit

Flanges Class
Temperature. °C 1500 150 2500 400 600 900 300
50 258.6 19.5 430.9 68.9 103.4 155.1 51.7
150 250.8 15.8 418.2 66.8 100.3 150.6 50.3
−29~38 258.6 20.0 430.9 68.9 103.4 155.1 51.7
200 241.7 13.8 402.8 64.5 96.7 145.0 48.3
425 175.1 5.5 291.6 46.5 70.0 105.1 35.2
100 257.6 17.7 429.4 68.7 103.0 154.6 51.5
250 231.8 12.1 386.2 61.7 92.7 139.0 46.3
325 206.6 9.3 344.3 55.0 82.6 124.0 41.4
300 214.4 10.2 357.1 57.0 85.7 128.6 42.9
375 194.1 7.4 323.2 51.6 77.6 116.5 38.9
350 201.1 8.4 335.3 53.6 80.4 120.7 40.3
400 183.1 6.5 304.9 48.9 73.3 109.8 36.5
Nickel alloy 825 socket weld flange sizes
Flanges Ratings Dimension Standards Size Range in inch
2000 PSI – 20000 PSI API 6A API 6B 2 1/6 – 30
150# – 600# BS 3293 26 – 48
150# – 2500# ASME/ANSI B16.5 1/2 – 24
150# – 900# MSS SP 44 12 – 60
ASME/B16.47/API 605 26 – 60
300# – 2500# ASME/ANSI/B16.36 1 – 24
150# – 2500# ASME B16.48 / API 590 1/2 – 24
PN6 – PN160 DIN DN10 – DN3600
Tolerance of UNS N08825 weld neck fllanges
Flanges Tolerance Incoloy 825 Weld Neck flanges
  • 6″ and larger: +5/32″ , -1/32
  • 5″ and smaller: +3/32″ , -1/32″
 H at point of welding diameter of hub
  • When OD is over 24″: ±1/8″
  • When OD is 24″ or less: ±1/16″
 A OD
  • When hub base is over 24″: ±1/8″
  • When hub base is 24″ or smaller: ±1/16″
 J hub at base Diameter
  • 12″ thru 18″: +1/8″
  • 10″ and smaller: ±1/32″
  • 20″ and larger: -1/16″
 D Inside Diameter (ID)
  • Bolts hole spacing: ±1/32″
  • Circle Bolts: ±1/16″
 P Drilling
  • 20″ and larger: ±3/16″, -0″
  • 18″ and smaller: ±1/8″, -0″
 C Thickness
  • 3″ and larger ±1/16″ max
  • 2 1/2″ and smaller ±1/32″ max
 with respect to facing eccentricity of bolt circle
  • 1/4″ T/G, RF, (male & female), (m/f): ±1/64″
  • 1/16″ raised face: ±1/32″
 B contact face Diameter
  • 12″ and larger: ±1/8″
  • 10″ and smaller: ±1/16″
 K hub length
WNR 2.485 threaded flanges standards
British Standard

BS4504
  • BS4504-16
  • BS4504-10
  • BS4504-25
  • BS4504-100
  • BS4504-40
  • BS4504-64
  • BS4504-6
  • PN6
  • PN10
  • PN16
  • PN25
  • PN40
  • PN64
  • PN100
British Standard

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

AS2129
  • Table J
  • Table C
  • Table E
  • Table G
  • Table F
  • Table D
  • Table H
American National Standards Institute
  • ANSI 1500
  • ANSI 150
  • ANSI 125
  • ANSI 600
  • ANSI 300
  • ANSI 900
Dimensions of UNS N08825 blind 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
We exclusively provide top-notch nickel 825 screwed and spectacle blind flanges online in a range of finishes and hydrotest report
Chemical composition of Alloy 825 slip on flanges
Grade Mn Si Fe C S Cr Cu Ti
825 flanges minimum – – 22.0 – – 19.5 1.5 0.6
maximum 1.0 0.5 – 0.05 0.015 23.5 3.0 1.2
Mechanical properties of UNS N08825 blind flanges
Grade Tensile Strength (MPa) minimum Yield Strength 0.2% Proof (MPa) minimum Elongation (% in 50mm) minimum Hardness
Rockwell B (HR B) max Brinell (HB) max
825 flanges Psi – 80,000 , MPa – 550 Psi – 32,000 , MPa -220 30 – –
Equivalent of DIN 2.4858 reducing flanges
Grade Old British UNS No Euronorm GOST Japanese JIS
BS En No AFNOR
Incoloy 825 flanges NA 16 NiCr21Mo N08825 2.4858 NFE30C20DUM ЭП703 NCF 825
Are there standard size ranges for Inconel 825 flanges based on pressure class?

Clients can order Inconel 825 flanges in pressure classes 150 to 2500 lbs. They depict the maximum pressure the component can standas the temperature increases. A thumb rule is that thicker flanges usually handle higher pressure.

Along with pressure, these flanges also endure high temperatures (the melting range is 1370 to 1400°C). This material has high weldability and responds to standard procedures like GTAW and GMAW (Gas tungsten or metal arc welding).

How can one identify the face type and dimensions of a DIN 2.4858 reducing flange ?

Reducing flanges are of many types, such as slip-on, threaded, socket-welded, and lap joint. ADIN 2.4858 reducing flanges are available in different sizes from 1/2″ to 48″. The face type is easy to identify by checking the orientation of the gasket surface.

So, for example, a nickel 825 threaded flanges with a raised-face type will contain a gasket over the circle. Ring-type faces will have grooves matching the gasket. The things buyers need to mention while ordering are flanges diameters (outer and inner), bolt holes, and their dimensions.

Are there differences in quality standards or certifications that influence the pricing of UNS N08825 socket weld flanges in these countries?

Socket weld flanges are suitable for small-diameter piping and offer ease of installation. A UNS N08825 socket weld flangegenerally conforms to ASTM B424 standards and has a Werkstoff Number of 2.4858. Manufacturers conforming to international standards are likelier to have consistent quality and dimensional accuracy. The prices are comparable, if logistics and available portfolio are constant.

The tests under these standards include ultrasonic testing, spectrography, and radiography. Manufacturers share a Mill Test Certificate detailing the results. Additional quality-control procedures and further testing escalate the costs.

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