Monel 400 Flange (UNS N04400 / W.Nr. 2.4360)
High-strength corrosion-resistant alloy Flange for marine and chemical processing
As a leading Monel pipe fitting supplier in China, SEATHER manufactures a full range of high-quality Monel 400 flanges to meet demanding industrial applications.
MONEL® nickel–copper alloy 400 (UNS N04400 / W.Nr. 2.4360) is a solid-solution strengthened alloy that can only be hardened by cold working. It offers high strength, excellent toughness across a wide temperature range, and outstanding resistance to many corrosive environments, especially seawater and chemical media.
Flanges are essential fittings used to connect pipes, valves, pumps, and other pipeline components. SEATHER’s Monel 400 flanges are precisely manufactured to pair seamlessly with our Monel 400 pipes, ensuring secure, stable, and leak-proof connections. If you are sourcing Monel 400 pipes from us, our matching flanges will be your most suitable accompanying choice.
With excellent corrosion resistance and high-temperature durability, Monel 400 flanges are ideal for extreme working environments such as marine engineering, offshore platforms, chemical processing, and heat exchanger systems.
According to different structures and applications, SEATHER supplies Monel 400 flanges in various types, including:
- Threaded flange
- Slip-on welding flange
- Blind flange
- Socket-weld flange
- Lapped flange
- Welding neck flange
Custom dimensions, pressure ratings, and surface finishes are also available to meet your specific project needs.
Monel 400 Flange (UNS N04400) 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: 400 / UNS N04400 / W.Nr. 2.4360
- Standards: ASTM B462
ASME B16.5
MSS SP-25 - Brand: SEATHER TECHNOLOGY, Special Metals(SMC), HAYNES International, VDM Metals, ATI, etc.
Monel 400 Flange (UNS N04400) Applications & Usages
Monel Alloy 400 can be used in a variety of applications including:
- Packed columns
- Pressure vessels and reactors
- Brine heaters
- Heat exchangers
- Salt production equipment
- Pump and valve components
- Pipe work and pipe spools
What is Monel 400 (UNS N04400)
Alloy 400 also referred to as the UNS N04400/W.Nr. 2.4360 alloy.
It is a solid-solution alloy that can be hardened only by cold working.
It has high strength and toughness over a wide temperature rangeand excellent resistance to many corrosive environments.
Alloy 400 is widely used in marine and chemical process industries due to its excellent corrosion resistance in selected mediums.
Monel 400 Flange (UNS N04400) Chemical Composition
Grade | % | Ni | Cu | Fe | C | Mn | Si | S |
Alloy 400/UNS N04400 | Min | Bal | 28 | |||||
Max | 34 | 2.5 | 0.3 | 2 | 0.5 | 0.024 |
Monel 400 Flange (UNS N04400) Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.80 g/cm3 | 1350 °C (2460 °F) | 500-950Mpa | 200-900Mpa | 60% – 2% |
Metal Cutting Service
Custom Metal Cutting Services For Diverse Industries
CNC Machining Services
Custom CNC machining parts in nickel alloy and stainless steel delivery in as fast as 3 days
Sheet Metal Fabrication
SEATHER’s custom sheet metal fabrication services offer a fast and cost-effective solution for your projects.
Metal Welding Service
Seather provides some of the best solutions ranging from custom metal welding and related services.
More Information About Monel 400 Flange (UNS N04400)
When you choose to buy Monel 400 Flange (UNS N04400) , there have some important points we need to know before we get started.
Pitting resistance equivalency numbers (PREN) for Monel 400 Flange (UNS N04400)
Monel 400 PREN: 40.0
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 Monel 400 Flange (UNS N04400)
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 400. 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 Monel 400: Composition, Properties and Applications.
If you need to purchase Monel 400 flanges (UNS N04400), 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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