Incoloy 825 Flange (UNS N08825 / W.Nr. 2.4858)
High-strength corrosion-resistant alloy Flange for chemical processing and pollution control system
As a leading Chinese Incoloy pipe fitting supplier, SEATHER TECHNOLOGY manufactures and supplies a full range of Incoloy 825 flanges for demanding industrial applications.
INCOLOY® alloy 825 (UNS N08825 / W.Nr. 2.4858) is a nickel-iron-chromium alloy alloyed with molybdenum, copper, and titanium. Its carefully balanced chemical composition provides excellent resistance to a wide variety of corrosive environments, while the high nickel content offers outstanding resistance to chloride-ion stress-corrosion cracking.
Flanges are essential pipe fittings used to connect pipes, valves, pumps, and other equipment, ensuring secure and leak-free joints. Incoloy 825 flanges manufactured by SEATHER are precisely matched with Incoloy 825 pipes and tubes, ensuring excellent connection stability, strength, and sealing performance. With superior corrosion resistance and good high-temperature performance, these flanges are particularly suitable for operation in harsh and extreme environments such as chemical processing, oil and gas, and marine applications.
According to different connection methods and functional requirements, we supply Incoloy 825 flanges in various types, including threaded flanges, slip-on welding flanges, blind flanges, socket welding flanges, lap joint flanges, and welding neck flanges. Custom dimensions, pressure ratings, and surface finishes are also available upon request.
Incoloy 825 Flange (UNS N08825) Specifications & Srtandard
- NPS: 1/2 ~ 48″
- SCH: 5 ~ XXS
- Classification: TH (Threaded) flange, SO (Slip-On Welding) flange, BL (Blind) flange, SW (Socket Welding) flange, LJ (Lapped) flange, WN (Welding Neck) flange
- Customized size needs to be confirmed with our team
- Pressure Level: 150 – 2500lbs
- Grades: 825 / UNS N08825 / W.Nr. 2.4858
- Standards: ASTM B462
ASME B16.5
MSS SP-25 - Brand: SEATHER TECHNOLOGY, Special Metals(SMC), HAYNES International, VDM Metals, ATI, etc.
Incoloy 825 Flange (UNS N08825) Applications & Usages
Incoloy 825 alloy can be used in a variety of applications including:
- Fuel element dissolvers
- Sea-water-cooled heat exchangers; offshore product piping systems; tubes and components in sour gas service
- Heat exchangers, evaporators, scrubbers, dip pipes etc.
- Air-cooled heat exchangers in petroleum refineries
- Chemical Processing
- Food Processing
What is Incoloy 825 Alloy
Alloy 825 also referred to as the UNS N08825/W.Nr. 2.4858 alloy.
It is a nickel-iron-chromium alloy with additions of molybdenum, copper and titanium.
The alloy’s chemical composition is designed to provide exceptional resistance to many corrosive environments.
Typical applications for alloy 825 products are chemical processing, pollution control, oil and gas recovery, acid production, pickling operations, nuclear fuel reprocessing, and handling of radioactive wastes.
Incoloy 825 Flange (UNS N08825) Chemical Composition
| Incoloy 825 Alloy Chemical Composition(%) | ||||||||||
| Ni | Fe | Cr | Mo | Cu | Ti | C | Mn | S | Si | Al |
| 38.0-46.0 | 22.0 min | 19.5-23.5 | 2.5-3.5 | 1.5-3.0 | 0.6-1.2 | 0.05 max | 1.0 max | 0.03 max | 0.5 max | 0.2 max |
Incoloy 825 Flange (UNS N08825) Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.14 g/cm3 | 1400 °C (2550 °F) | 690-1000Mpa | 330-880Mpa | 45% – 15% |
Incoloy 825 Flange (UNS N08825) Physical Properties
| Melting Range | Specific Heat, 20°C (J/(g.K)) | Magnetic Permeability (20°C) | Thermal Conductivity, 20°C (W/(m.K)) | Curie Temperature (°C) |
| 1400 °C (2550 °F) | 440 | ＜1.005 | 10.8 | -196 |
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More Information About Incoloy 825 Flange (UNS N08825)
When you choose to buy Incoloy 825 Flange (UNS N08825), there have some important points we need to know before we get started.
Pitting resistance equivalency numbers (PREN) for Incoloy 825 Flange
Incoloy 825 PREN: 31.4
The pitting resistance equivalency number uses the alloy’s chemical makeup to guess its power against pitting corrosion. You check how much chromium, molybdenum, tungsten, and nitrogen are in the alloy. These elements help keep the steel safe. The most used formula is:
PREN = CR% + 3.3 x (MO% + 0.5 x W%) + 16 x N%How to Purchase Incoloy 825 Flange
When purchasing alloy flanges, it’s essential to have the right materials and information to ensure a smooth procurement process and to get the products that meet your project needs.
Here’s what you need to provide:
1. Material: Specify the flange material, such as nickel alloy 825/UNS N08825. You can refer to standards such as ASTM and ASME.
2. Type: Determine the type of flange needed, such as butt welding flange, threaded flange, slip-on flange, blind flange, etc.
3. Size: Specify the flange’s nominal diameter (DN) and pressure rating (PN).
4. Quantity: Provide the exact number of flanges required for an accurate quotation.
5. Technical specifications: Include technical specifications and drawings. If there are unique design requirements, detailed drawings can be attached.
6. Quality standards: Specify quality standards and inspection requirements, such as the need for third-party inspection, material certification, and inspection reports.
7. Special requirements: Specify any special surface treatment, coating, corrosion resistance requirements, etc.
8. Packaging requirements: If there are specific packaging needs, such as protective or anti-corrosion packaging, please specify.
9. Delivery time: Specify the expected delivery time and location.
By preparing the above information, you can streamline the process of purchasing flanges and ensure that you receive high-quality products that meet your requirements.
Conclusion
We have introduced our products briefly. If you want to know more about it, you can check the article here Inconel Alloy 825: Composition, Properties and Applications.
If you need to purchase alloy 825 flanges, please get in touch with us immediately.
Trademark Notices:
Inconel®, Incoloy®, and Monel® are registered trademarks of Special Metals Corporation.
Hastelloy® is a registered trademark name of Haynes International, Inc.
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