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Incoloy 825 Flanges Manufacturer & Supplier in India
ncoloy 825 flanges are made of nickel-iron-chromium alloy that is enriched with molybdenum, copper, and titanium, hence having a high resistance to corrosive environments. These flanges come in all sizes, including slip-on, weld neck, blind, socket weld and threaded, to meet different piping needs. The UNS N08825 pipe flanges have good resistant properties to reducing conditions as well as oxidising conditions and hence can be used in any system involving seawater, chemical processing and acid production. Flanging solutions made of alloy 825 are meant to ensure the stability of the connections between the pipes, and in some cases blind flanges are common to isolate or end the pipeline during the maintenance or shutdown measures
DIN 2.4858 Slip-On Flanges, UNS N08825 Long Weld Neck Flanges, Alloy 825 Flanges, ASTM B564 Incoloy 825 Blind Flanges, Incoloy® Incoloy 825 Flanges Price, ANSI B16.5 Incoloy 825 Weld Neck Flange, Flange Alloy 825, and Incoloy 825 Flanges Supplier in Mumbai, India.
Kalpataru Piping Solutions is a reputable manufacturer and supplier of high-performance Incoloy 825 flanges, which are generally 6 mm to 48 mm in diameter to suit varied needs of industries. The products are all manufactured in line with ASTM B564, ASME B16.5 and other specifications and full documentation, including mill test certificates and third-party inspection reports. It is concentrated on providing the quality of reliable stuff, competitive prices and the supply within the timeline depending on the projects-related demands in the harsh operating conditions
BS4504, BS 10 Incoloy 825 Plate Flanges, DIN 2.4858 Lapped Joint Flange, EN 1092-1 Incoloy 825 Pipe Flanges Manufacturers, ASME B16.5 Incoloy® Incoloy 825 Flanges Sizes, Alloy 825 Flanges, UNS N08825 Threaded Flanges, ASME SB564 Alloy 825 Flanges Exporters in India.
Incoloy 825 flanges are well balanced in both their nickel-iron-chromium alloys and titanium stabilisation, which allows them to resist pitting, crevice corrosion and stress corrosion cracking caused by chlorides. The alloy has a good mechanical property over a wide temperature scale, and it can easily be shaped and moulded through controlled heating and having edges well prepared. Ring-type joint flanges of Alloy 825 offer reliable sealing service in high-pressure service, whereas spacer and special-purpose flanges maintain oxidation service and structural integrity in cyclic thermal service
- Incoloy 825 flanges specifications
- Forms of Incoloy 825 Flanges (Weld Neck, Blind, Slip On, Orifice)
- Equivalent Material Grades of Incoloy 825 Flanges
- Nickel Alloy 825 Flanges Sizes & Stock Availability
- HS Code of WNR 2.4858 Incoloy 825 Flanges
- Class 150–900 Incoloy 825 Pipe Flange Dimensions
- Testing & Inspection of Alloy 825 Flanges
- DIN 2.4858 Incoloy 825 Flange Type Codes
- Temperature & Pressure Rating of Incoloy 825 Flanges (Class 150/300)
- Applications of UNS N08825 Flanges in Industry
- DIN WNR 2.4858 Blind Flange Chemical Composition
- Mechanical Properties of ASTM B564 Incoloy 825 Flanges
- Physical Properties of Alloy 825 Orifice & Reducing Flanges
- Other Available Stock of ASTM B564 Incoloy 825 Flanges
- FAQ’s About Incoloy 825 Flanges
Incoloy 825 flanges specifications
| ASME B16.5 Nickel Alloy 825 Flange Sizes |
|
| Manufacturing Standard of Incoloy 825 Flanges | BS4504, JISB2220, DIN, API7S-43, AWWA, EN-1092, GOST12820, B2220, ISO70051, KS NFE29203, DIN, BS10, UNI2276, ANSI, BS1560-3.1, JIS GOST, SABS1123, B1503, API605, EN, ASME B16.36, ASME B16.48, API7S-15, MSS SP44, ASME B16.5, ASME B16.47 Series A/B, BS |
| Pressure Class of Incoloy 825 Flanges | 600LBS, 900LBS, 300LBS, 1500LBS, 150LBS, 2500LBS |
| ASTM B564 UNS N08825 Flange Pressure Calculation in DIN/ UNI/ EN | 25Bar, 10Bar, 16Bar, 40Bar, 6Bar |
| JIS | 5K, 20K, 63K, 16K, 30K, 40K, 10K |
| PN | PN40, PN16, PN6, PN10, PN25, PN64 |
| Manufacturing types | Plate, Casting, Forged, Threaded, Screwed, Heat-treated, machined |
| Test Certificates provided by Incoloy 825 Flanges manufacturers in India |
|
| Incoloy Alloy 825 Flange Face and Connect Types | Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Groove, Large Tongue & Groove, Flat Face (FF), Large Male-Female (LMF), Raised Face (RF), Ring Type Joint (RTJ) |
| Our distributors of Incoloy 825 Flanges | Nagpur, Coimbatore, Singapore, Khobar, Thane, Shah Alam, India, Courbevoie, Navi Mumbai, Ernakulam, Kanpur, Jamshedpur, Vapi, Caracas, Karachi, Nashik, London, Kuala Lumpur, Kolkata, Houston, Port-of-Spain, Lagos, Abu Dhabi, Ranchi, Ahvaz, Bhubaneswar, Brisbane, Hyderabad, Jakarta, Dubai, Bogota, Tau, Jaipur, Ahmedabad, Pune, Pimpri-Chinchwad, Panipat, Indore, Noida, Agra, Bangalore, Surat, Istanbul, Gujarat, Muscat, Dammam, Vadodara, Kuwait, Sharjah, Mexico, Baroda, Chennai, New Delhi, Seoul, Janeiro, Mysuru, Lucknow, Thiruvananthapuram, Vung Granada, Manama, Bengaluru, Gurgaon, Kochi, Ankara, Calgary, Santiago, Doha, Ludhiana, Sydney, Gimhae-si, Rajkot, Mumbai, Dhaka, Howrah, Melbourne, Perth, Riyadh, Tehran, Montreal, Patna |
| Testing provided by Incoloy 825 Flanges manufacturers |
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Forms of Incoloy 825 Flanges (Weld Neck, Blind, Slip On, Orifice)
















Equivalent Material Grades of Incoloy 825 Flanges
| GRADE | WERKSTOFF NR. | UNS | BS | GOST | EN | OR | JIS | AFNOR |
| Incoloy 825 | 2.4858 | N08825 | NA 16 | ЭП703 | NiCr21Mo | XH38BT | NCF 825 | NFE30C20DUM |
ASTM B564 Incoloy 825 Forged Flanges Dimension Table
| NPS (inches) | No. Of Bolts | Bolts Dia (inches) | Bolt Circle (inches) | Dia Of Flange (inches) | Dia Of Bolt Holes (inches) |
| 2 | 8 | 5/8 | 5 | 6-1/2 | 0.75 |
| 20 | 24 | 1-1/4 | 27 | 30-1/2 | 1.38 |
| 1/2 | 4 | 1/2 | 2-5/8 | 3-3/4 | 0.62 |
| 14 | 20 | 1-1/8 | 20-1/4 | 23 | 1.25 |
| 3 | 8 | 3/4 | 6-5/8 | 8-1/4 | 0.88 |
| 1-1/4 | 4 | 5/8 | 3-7/8 | 5-1/4 | 0.75 |
| 18 | 24 | 1-1/4 | 24-3/4 | 28 | 1.38 |
| 8 | 12 | 7/8 | 13 | 15 | 1 |
| 1-1/2 | 4 | 3/4 | 4-1/2 | 6-1/8 | 0.88 |
| 16 | 20 | 1-1/4 | 22-1/2 | 25-1/2 | 1.38 |
| 2-1/2 | 8 | 3/4 | 5-7/8 | 7-1/2 | 0.88 |
| 10 | 16 | 1 | 15-1/4 | 17-1/2 | 1.12 |
| 4 | 8 | 3/4 | 7-7/8 | 10 | 0.88 |
| 24 | 24 | 1-1/2 | 32 | 36 | 1.62 |
| 1 | 4 | 5/8 | 3-1/2 | 4-7/8 | 0.75 |
| 3-1/2 | 8 | 3/4 | 7-1/4 | 9 | 0.88 |
| 5 | 8 | 3/4 | 9-1/4 | 11 | 0.88 |
| 12 | 16 | 1-1/8 | 17-3/4 | 20-1/2 | 1.25 |
| 3/4 | 4 | 5/8 | 3-1/4 | 4-5/8 | 0.75 |
| 6 | 12 | 3/4 | 10-5/8 | 12-1/2 | 0.88 |
| 1/4 | 4 | 1/2 | 2-1/4 | 3-3/8 | 0.62 |
Nickel Alloy 825 Flanges Sizes & Stock Availability
We maintain a wide variety of Incoloy Alloy 825 Flanges in stock, covering an extensive range of sizes and ratings.
Rating | In Stock | Dimension Standard | Size Range |
Class 150 to 2500 Lbs | Incoloy Flanges, Incoloy 825 Flanges, Weld Neck Flanges, Socket Weld Flanges, Lap Joint Flanges, Orifice Flanges, Tongue & Groove Flanges, Blind Flanges, Threaded Flanges, Slip-On Flanges, Spectacle Flanges, Plate Flanges | ASME / ANSI B16.5 Flanges | 1/2” to 24” |
– | – | ASME B16.47 / API 605 Flanges | 26” to 60” |
Class 300 to 2500 Lbs | ASME / ANSI B16.36 Flanges | 1” to 24” | |
Class 150 to 2500 Lbs | ASME B16.48 / API 590 Flanges | 1/2” to 24” | |
Class 150 to 900 Lbs | MSS-SP-44 Flanges | 12” to 60” | |
Class 150 to 600 Lbs | BS 3293 Flanges | 26” to 48” | |
2000 Psi to 20000 Psi | API 6A Flanges | 2 1/16” to 30” | |
PN6 to PN 160 | DIN Flanges | DN10 to DN3600 |
Difference Between Incoloy 825 RF, FF & RTJ Flange Face Types
The different types of flange faces are designed for specific pressure, temperature and sealing requirements. Below is a comparison highlighting the key differences between these types of flanges.
Description | FF – Flat Face | RF – Raised Face | RTJ – Ring Type Joint |
Pressure Range | Low pressures | Broad | Used for higher pressures. |
Gasket Type | Soft, Non-metallic | Non-metallic, Semi-metallic | Hard, Metal |
Sealing Face | ID to OD | ID to raised face OD | Groove in flange face |
Sealing Area | Large | Medium | Small |
Class | 125lbs, 250lbs | All | All, Generally ≥ 900 lbs |
Temperature Range | Low temperatures | Broad | Broad |
UNS N08825 Flanges ASTM & ASME Standard Classes
The standard chart of classes provides the specifications for various sizes and classes of UNS N04400 Blind Flanges.
Standard | Diameter | Class | Number of Bolts | Bolt Size | Bolt Circle Diameter | Diameter of Bolt Hole |
ANSI B16.5 Flanges | 121 | ANSI 900 Flanges | 4 | 19 | 83 | 22 |
95 | ANSI 300 Flanges | 4 | 13 | 67 | 16 | |
121 | ANSI 1500 Flanges | 4 | 19 | 83 | 22 | |
89 | ANSI 150 Flanges | 4 | 13 | 60 | 16 | |
95 | ANSI 600 Flanges | 4 | 13 | 67 | 16 | |
AS 2129 Flange | 95 | Table F Flanges | 4 | 13 | 67 | 14 |
95 | Table D Flanges | 4 | 13 | 67 | 14 | |
95 | Table C Flanges | 4 | 13 | 67 | 14 | |
114 | Table H Flanges | 4 | 16 | 83 | 17 | |
95 | Table E Flanges | 4 | 13 | 67 | 14 | |
114 | Table J Flanges | 4 | 16 | 83 | 17 | |
AS4087 Flanges | 95 | PN14 Flanges | 4 | M12 | 67 | 14 |
ISO 7005 (DIN) Flange | 90 | PN20 Flanges | 4 | M14 | 60.5 | 16 |
95 | PN10 Flanges | 4 | M12 | 65 | 14 | |
80 | PN6 Flanges | 4 | M10 | 55 | 11 | |
95 | PN16 Flanges | 4 | M12 | 65 | 14 | |
95 | PN40 Flanges | 4 | M12 | 65 | 14 | |
95 | PN25 Flanges | 4 | M12 | 65 | 14 |
HS Code of WNR 2.4858 Incoloy 825 Flanges
| Grade | HS Code |
| Inconel 825 Flanges | 73079190 |
Class 150–900 Incoloy 825 Pipe Flange Dimensions
Testing & Inspection of Alloy 825 Flanges
The testing and inspection of Alloy 825 Flanges are crucial to ensure their integrity, reliability, and performance in various industrial applications.
- Flaring Test: The flaring test assesses the structural integrity of the flange under extreme stress. It creates an axial increment at a designated angle in the way of deformation
- Intergranular Corrosion Test: The intergranular corrosion test assesses the intergranular integrity of Alloy 825 to facilitate its adoption into context where intergranular corrosion exists.
- Hardness Test: The hardness test assesses how resistant the material is to indention. This is an important indication of material strength/durability.
- Positive Material Identification: This test uses newer techniques such as X-ray fluorescence (XRF) to ensure the alloy composition and meet situational specifications.
- Mechanical Testing: This refers to tensile test, impact test, and fatigue tests, just to name a few, and used to assess the mechanical properties of Alloy 825 to meet the applicable standard.
- Dye Penetrant Testing: A non-destructive test uses dye to identify surface cracks and defects as an indicator of leakage.
- Flattening Test: A test assesses material to retain its effectiveness if rolled flat and ensure there will not be crackage.
- Eddy Current Testing: A non-destructive test to identify surface and near surface defects through induced electrical current and measuring the response.
DIN 2.4858 Incoloy 825 Flange Type Codes
| Type Code | Flange Type / Description |
| 101 | Nickel Alloy 825 Plate flange for welding |
| 102 | Incoloy 825 Loose plate flange with weld on plate collar |
| 104 | Alloy 825 Loose plate flange with weld-nut collar |
| 105 | Incoloy Alloy 825 Blank flange |
| 111 | Nickel Alloy 825 Weld neck flange |
| 112 | Incoloy 825 Hubbed slip-on flange for welding |
| 113 | Alloy 825 Hubbed threaded flange |
| 121 | Incoloy Alloy 825 Integral flange |
Dimensional Chart of ASTM B564 Alloy 825 Flanges
Below are standard flange dimensions for ASTM B564 Alloy 825, covering nominal pipe sizes with corresponding bolt counts and key diameters. This chart helps to verify compatibility during design, procurement, and QA checks.
NPS (inches) | No. Of Bolts | Bolts Dia (inches) | Bolt Circle (inches) | Dia Of Flange (inches) | Dia Of Bolt Holes (inches) |
2 | 8 | 5/8 | 5 | 6-1/2 | 0.75 |
20 | 24 | 1-1/4 | 27 | 30-1/2 | 1.38 |
1/2 | 4 | 1/2 | 2-5/8 | 3-3/4 | 0.62 |
14 | 20 | 1-1/8 | 20-1/4 | 23 | 1.25 |
3 | 8 | 3/4 | 6-5/8 | 8-1/4 | 0.88 |
1-1/4 | 4 | 5/8 | 3-7/8 | 5-1/4 | 0.75 |
18 | 24 | 1-1/4 | 24-3/4 | 28 | 1.38 |
8 | 12 | 7/8 | 13 | 15 | 1 |
1-1/2 | 4 | 3/4 | 4-1/2 | 6-1/8 | 0.88 |
16 | 20 | 1-1/4 | 22-1/2 | 25-1/2 | 1.38 |
2-1/2 | 8 | 3/4 | 5-7/8 | 7-1/2 | 0.88 |
10 | 16 | 1 | 15-1/4 | 17-1/2 | 1.12 |
4 | 8 | 3/4 | 7-7/8 | 10 | 0.88 |
24 | 24 | 1-1/2 | 32 | 36 | 1.62 |
1 | 4 | 5/8 | 3-1/2 | 4-7/8 | 0.75 |
3-1/2 | 8 | 3/4 | 7-1/4 | 9 | 0.88 |
5 | 8 | 3/4 | 9-1/4 | 11 | 0.88 |
12 | 16 | 1-1/8 | 17-3/4 | 20-1/2 | 1.25 |
3/4 | 4 | 5/8 | 3-1/4 | 4-5/8 | 0.75 |
6 | 12 | 3/4 | 10-5/8 | 12-1/2 | 0.88 |
1/4 | 4 | 1/2 | 2-1/4 | 3-3/8 | 0.62 |
Weight Chart for Incoloy 825 Slip On & Blind Flanges
| NPS (inches) | No. Of Bolts | Bolts Dia (inches) | Bolt Circle (inches) | Dia Of Flange (inches) | Dia Of Bolt Holes (inches) |
| 2 | 8 | 5/8 | 5 | 6-1/2 | 0.75 |
| 20 | 24 | 1-1/4 | 27 | 30-1/2 | 1.38 |
| 1/2 | 4 | 1/2 | 2-5/8 | 3-3/4 | 0.62 |
| 14 | 20 | 1-1/8 | 20-1/4 | 23 | 1.25 |
| 3 | 8 | 3/4 | 6-5/8 | 8-1/4 | 0.88 |
| 1-1/4 | 4 | 5/8 | 3-7/8 | 5-1/4 | 0.75 |
| 18 | 24 | 1-1/4 | 24-3/4 | 28 | 1.38 |
| 8 | 12 | 7/8 | 13 | 15 | 1 |
| 1-1/2 | 4 | 3/4 | 4-1/2 | 6-1/8 | 0.88 |
| 16 | 20 | 1-1/4 | 22-1/2 | 25-1/2 | 1.38 |
| 2-1/2 | 8 | 3/4 | 5-7/8 | 7-1/2 | 0.88 |
| 10 | 16 | 1 | 15-1/4 | 17-1/2 | 1.12 |
| 4 | 8 | 3/4 | 7-7/8 | 10 | 0.88 |
| 24 | 24 | 1-1/2 | 32 | 36 | 1.62 |
| 1 | 4 | 5/8 | 3-1/2 | 4-7/8 | 0.75 |
| 3-1/2 | 8 | 3/4 | 7-1/4 | 9 | 0.88 |
| 5 | 8 | 3/4 | 9-1/4 | 11 | 0.88 |
| 12 | 16 | 1-1/8 | 17-3/4 | 20-1/2 | 1.25 |
| 3/4 | 4 | 5/8 | 3-1/4 | 4-5/8 | 0.75 |
| 6 | 12 | 3/4 | 10-5/8 | 12-1/2 | 0.88 |
| 1/4 | 4 | 1/2 | 2-1/4 | 3-3/8 | 0.62 |
Temperature & Pressure Rating of Incoloy 825 Flanges (Class 150/300)
|
Temp (°C) |
Class 150 |
Temp (°F) |
Class 150 |
|
300 |
10.2 |
500 |
170 |
|
400 |
6.5 |
750 |
95 |
|
500 |
2.8 |
950 |
35 |
|
100 |
17.7 |
-20~100 |
290 |
|
425 |
5.5 |
800 |
80 |
|
538 |
1.4 |
1000 |
20 |
|
150 |
15.8 |
200 |
260 |
|
325 |
9.3 |
600 |
140 |
|
475 |
3.7 |
900 |
50 |
|
200 |
13.8 |
300 |
230 |
|
375 |
7.4 |
700 |
110 |
|
250 |
12.1 |
400 |
200 |
|
350 |
8.4 |
650 |
125 |
|
450 |
4.6 |
850 |
65 |
Nickel 825 Flanges Welding Consumables & Procedures
|
Category |
Consumable |
|
WELDING ELECTRODES |
Welding Electrode 112 |
|
WELDING ELECTRODES |
Welding Electrode 686CPT |
|
FILLERS |
Filler Metal 625 |
|
FILLERS |
Filler Metal 686CP |
Pressure Ratings of Alloy 825 Flanges by Class
Use the table below to compare general pressure limits for Nickel Alloy 825 flanges across common temperatures, expressed in both psi and MPa. Apply these values with your design factors, gasket/bolting choices, and code requirements before finalizing a rating.
Class | 100°F (37.8°C) | 200°F (93.3°C) | 400°F (204.4°C) | 600°F (315.6°C) | 800°F (426.7°C) |
150 | 285 psi (2.0 MPa) | 270 psi (1.9 MPa) | 240 psi (1.7 MPa) | 210 psi (1.4 MPa) | 185 psi (1.3 MPa) |
300 | 740 psi (5.1 MPa) | 700 psi (4.8 MPa) | 620 psi (4.3 MPa) | 540 psi (3.7 MPa) | 480 psi (3.3 MPa) |
600 | 1480 psi (10.2 MPa) | 1370 psi (9.4 MPa) | 1240 psi (8.6 MPa) | 1080 psi (7.5 MPa) | 960 psi (6.6 MPa) |
900 | 2220 psi (15.3 MPa) | 2050 psi (14.1 MPa) | 1840 psi (12.7 MPa) | 1620 psi (11.1 MPa) | 1440 psi (9.9 MPa) |
Applications of UNS N08825 Flanges in Industry
UNS N08825 (Alloy 825) flanges are used where corrosion resistance and high-temperature stability are critical.
- Acidic Environments
- Seawater
- Sour Gas
- Chemical Processing
- Oil and Gas
- Offshore Drilling
- Nuclear Fuel Reprocessing
- Marine & Ship Building
- Power Generation
DIN WNR 2.4858 Blind Flange Chemical Composition
|
Element |
Name |
Composition |
|
C |
Carbon |
0.05 max |
|
Mn |
Manganese |
1.00 max |
|
Si |
Silicon |
0.5 max |
|
S |
Sulfur |
0.03 max |
|
Cu |
Copper |
1.50 – 3.00 |
|
Fe |
Iron |
22.00 min |
|
Ni |
Nickel |
38.00 – 46.00 |
|
Cr |
Chromium |
19.50 – 23.50 |
Mechanical Properties of ASTM B564 Incoloy 825 Flanges
Use the table below to reference typical room-temperature mechanical properties for Alloy 825 flanges as supplied to ASTM B564.
|
Grade |
Tensile Strength |
Yield Strength (0.2% Offset) |
Elongation |
|
825 |
80,000 psi / 550 MPa |
32,000 psi / 220 MPa |
30% |
Physical Properties of Alloy 825 Orifice & Reducing Flanges
The table shows basic mechanical properties typical physical reference for Alloy 825 orifice and reducing flanges at room temperature.
Property | Value |
Yield Strength | 310 MPa (45 ksi) |
Density | 8.1 g/cm³ (8100 kg/m³) |
Poisson’s Ratio | 0.3 |
Elongation | 40–50% |
Melting Point | 1375°C (2507°F) |
Other Available Stock of ASTM B564 Incoloy 825 Flanges
- Incoloy 825 WNRF Flanges Dealer
- Alloy 825 Spectacle Blind Flanges Stockist
- Incoloy Alloy 825 Long Weld Neck Flanges
- ASME SB564 Incoloy 825 RTJ Flanges Supplier
- ANSI/ ASME B16.5 Incoloy 825 Blind Ring Flanges
- B564 Incoloy 825 BLRF Flanges Distributors
- Nickel Alloy 825 Lap Joint Flanges Trader
- SB564 Incoloy 825 LJRF Flanges Manufacturer
- Incoloy 825 Slip-on Raised Face Flanges
- Incoloy 825 SORF Flanges Stockholder
- B564 Incoloy Alloy 825 Screwed Flanges
- ANSI B16.5 Incoloy 825 SWRF Flanges
- Incoloy® Alloy 825 Reducing Flanges Stock
- Incoloy 825 Tongue & Groove Flanges
- Incoloy 825 EN 1092-1 Flanges in Mumbai
- Incoloy 825 ASME/ANSI B16.5 Flanges
- ASTM B564 Incoloy 825 Weldoflange
- Grade 825 Incoloy Raised Face Flanges
- SB564 Incoloy 825 Blind Raised Face Flange
- Incoloy® 825 Forged Flanges Wholesaler
- B16.5 Incoloy 825 Expander Flanges
- Incoloy 825 Ring Spacers (Paddle Spacers)
- Incoloy 825 Male & Female Flanges
- B564 Incoloy 825 Flat Face Flanges
- Incoloy 825 Flat Flanges Exporter
- Alloy UNS N08825 Flanges
- Incoloy DIN 2.4858 Flange
- Incoloy 825 High Hub Blind Flanges
- Incoloy 825 ASME B16.5 Loose Flanges
- Incoloy 825 BS 4504 Flanges
- Incoloy 825 DIN Flanges in India
- Nickel Alloy 825 Flanges in Supplier