Monel Flanges

Monel Flanges
Industrial-grade Monel Flanges manufactured for secure, leak-tight pipe connections in pressure piping and process systems.
- Weld Neck
- Slip On
- Blind
- Socket Weld
- Threaded
- Lap Joint
- RTJ
Monel Flanges Manufacturer in India
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of Monel Flanges in different sizes, grades, specifications and finishes for industrial and engineering applications.
Monel Flanges are forged or machined components used to connect pipes, valves, pumps and equipment, allowing easy assembly, inspection and maintenance of piping systems.
Monel alloys are nickel-copper alloys known for high strength and excellent resistance to seawater, hydrofluoric acid, alkalis and many reducing environments.
Typical applications for Monel Flanges include marine engineering, chemical processing, hydrocarbon processing, oil & gas, pumps & valves, heat exchangers, desalination, petrochemical and general engineering.
Key Features of Monel Flanges
Seawater Resistance
Excellent performance in marine and seawater environments.
Acid & Alkali Resistance
Good resistance to hydrofluoric acid and alkalis.
High Strength
Good mechanical strength and toughness over a wide temperature range.
Low-Temperature Toughness
Retains ductility at sub-zero temperatures.
Monel Flanges Specifications
| Parameter | Specification |
|---|---|
| Standards | ASTM, ASME Flanges, ANSI Flanges, DIN Flanges, EN Flanges, BS Flanges etc |
| Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Specifications | ASTM / ASME SB 564 |
| Grade | Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500) |
| Size | 1/8" NB TO 48"NB |
| Class | 150#, 300#, 600#, 900#, 1500#, 2500#. PN6, PN10, PN16, PN25, PN40, PN64 etc |
Equivalent Grades of Monel Flanges
| STANDARD | WERKSTOFF NR | UNS | AFNOR | JIS | GOST | BS | EN |
|---|---|---|---|---|---|---|---|
| Monel 400 | 2.4360 | N04400 | NU-30M | NW 4400 | МНЖМц 28-2,5-1,5 | NA 13 | NiCu30Fe |
| Monel K500 | 2.4375 | N05500 | – | – | – | – | – |
Types of Monel Flanges
Weld Neck Flanges
Butt-welded flanges for high-pressure and high-temperature service.
Slip On Flanges
Slip over the pipe for easy alignment and welding.
Blind Flanges
Solid flanges used to close pipe ends and openings.
Socket Weld & Threaded Flanges
Compact connections for smaller bore piping.
Lap Joint Flanges
Used with stub ends for easy alignment.
Spectacle & RTJ Flanges
Positive isolation and high-pressure sealing.
Applications & Industries
- Marine Engineering
- Chemical Processing
- Hydrocarbon Processing
- Oil & Gas
- Pumps & Valves
- Heat Exchangers
- Desalination
- Petrochemical
- Hydrofluoric Acid Plants
- Boiler Feed Water
- Fabrication
- General Engineering
Quality & Inspection
Quality-Focused Manufacturing & Supply
Monel Flanges can be supplied with inspection, testing and documentation according to the applicable specification and customer purchase requirements.
- Dimensional inspection
- Visual and surface inspection
- Material grade verification
- Chemical composition verification
- Mechanical testing as applicable
- Flange face and bolt-hole inspection
- Non-destructive testing as applicable
- Mill Test Certificate (MTC)
- Third-party inspection support
Why Choose Our Monel Flanges?
Multiple Pressure Classes
150# to 2500# and PN ratings.
All Flange Types
Weld neck, slip on, blind, socket weld and more.
Accurate Machining
Precise facing and drilling for leak-tight joints.
Custom Flanges
Manufactured as per drawings on request.
Monel Flanges Manufacturer, Supplier & Exporter
Sawariya Metal Industries supplies Monel Flanges for domestic and international projects in a wide range of sizes, grades and specifications. Products can be supplied in standard and custom dimensions according to drawings and purchase order requirements.
Every order can be supported with Mill Test Certificates, inspection reports, third-party inspection on request and secure export-worthy packaging.
Share your size, grade, quantity and specification requirements with our team to receive a competitive quotation for Monel Flanges.
Related Monel Products Products
Monel Buttweld Pipe Fittings
Monel Buttweld Pipe Fittings are welded pipe fittings that are bevelled and butt-welded to the pipe, creating a continuous, high-strength and leak-resistant connection with smooth internal flow.
Monel Socket weld Pipe Fittings
Monel Socket weld Pipe Fittings are forged small-bore pipe fittings with socket weld or threaded ends, manufactured to ASME B16.11 for high-pressure piping and instrumentation lines.
Monel Valves
Monel Valves are flow-control devices used to start, stop, regulate or prevent backflow of liquids and gases in process and utility piping.
Technical Note: Technical values should be verified against the applicable ASTM / ASME / EN specification, purchase order requirements and Mill Test Certificate (MTC) for the supplied product.