At Nasir Nickel Alloys in Manama, Bahrain, Monel Flanges are engineered to provide exceptional corrosion resistance, high mechanical strength, and long-term reliability for demanding chemical, marine, and industrial applications. Manufactured from a high-quality nickel-copper alloy, these flanges deliver superior resistance to seawater, brackish water, acids, and alkalis while maintaining excellent structural integrity. Precision-engineered for leak-proof connections and consistent performance, Monel Flanges are ideal for chemical processing, petrochemical plants, marine systems, and high-pressure pipelines, providing durable and efficient solutions in highly corrosive and challenging environments where long-lasting performance is essential.
Monel Flanges are primarily composed of nickel (approximately 63–70%) and copper (approximately 28–34%), with minor additions of iron and manganese to enhance strength and corrosion resistance. This composition provides outstanding resistance to seawater, brackish water, acids, and alkalis, along with excellent pitting and stress corrosion resistance. Mechanically, Monel Flanges exhibit high tensile and yield strength, toughness, and fatigue resistance under fluctuating pressures and thermal cycling. With dimensional stability and structural integrity in aggressive marine and chemical environments, Monel Flanges combine corrosion resistance with mechanical durability for reliable long-term performance.
| Specifications | Monel 400 Flanges |
|---|---|
| Methods Of Forging | Casting Forging Rolling Cutting |
| DIN Standard | PN6/ PN10/ PN16/ PN25/ PN40/ PN64 |
| Equipment | Pushing Machine Press machine electric bevelling machine |
| Class | Class 150 to 2500. PN 2.5 to PN 250. |
| Use In | Marine & dredging Sanitation Process Instrumentation Oil and Gas Petrochemical/ Refinery/Chemical Power etc. |
| Manufacturing Productivity | 600 ton per month |
| JIS Standard | 5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K |
| Size | 1/2” to 24” (customized diameters: up to 60”.) |
| Face Type | RF (Raised Face), RTJ (Ring Type Joint) |
| EN Standard | 6Bar/ 10Bar/ 16Bar/ 25Bar/ 40Bar |
| Supporting Material For Flanges | Gasket/ Ring Joint/ Flanges Bolts |
| Testing | Hydrostatic testing machine Magnetic particle detector Direct-reading Spectrograph UI trasonic flaw detector |
| Grade | C | Mn | Si | Cu | S | Ti | Ni | Al | Fe |
| Monel 400 | 0.3 max | 2.0 max | 0.5 max | 28.0 – 34.0 | 0.02 max | – | 63.0 min | 0.50 max | 1.0 – 2.5 |
| Temp° F | Tensile (psi) | .2% Yield (psi) | Elongation in 2” % |
|---|---|---|---|
| 70 | 110,600 | 54,900 | 44 |
| 1000 | 89,000 | 35,600 | 49 |
| 1200 | 83,000 | 35,400 | 54 |
| 1400 | 67,000 | 34,400 | 53 |
| 1600 | 45,000 | 28,200 | 58 |
At Nasir Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Monel Flanges in Manama, Bahrain, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Bahrain, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Monel Flanges are widely used in industries requiring high corrosion resistance, mechanical strength, and durability. They are ideal for seawater piping, desalination plants, heat exchangers, chemical processing equipment, petrochemical plants, and marine systems. Their resistance to seawater, acids, alkalis, and brackish water makes them suitable for offshore platforms, high-pressure pipelines, and industrial equipment exposed to harsh environments. These flanges provide a reliable and secure base for leak-proof connections in piping and process systems. By delivering consistent, long-term performance in aggressive conditions, Monel Flanges ensure safe, efficient, and durable operation across chemical, petrochemical, marine, and industrial applications.