At Nasir Nickel Alloys in Manama, Bahrain, Monel 400 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 400 Flanges are ideal for chemical processing units, petrochemical plants, marine systems, and high-pressure pipelines, providing durable, efficient, and reliable solutions in aggressive and highly corrosive environments.
Monel 400 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 400 Flanges exhibit high tensile and yield strength, toughness, and fatigue resistance under fluctuating pressures and thermal cycling. With dimensional stability and structural integrity in harsh chemical and marine environments, Monel 400 Flanges combine corrosion resistance with mechanical robustness for reliable long-term performance.
Specifications : ASTM B564 / ASTM SB 564
Dimensions : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size : 1/8″ – 4″
Pressure Ratings :150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Standards : ASTM, ASME Flanges, ANSI Flanges, DIN Flanges, EN Flanges, BS Flanges etc.
| 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 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Monel 400 | 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 35000 , MPa – 240 | 40 % |
At Nasir Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Monel 400 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 400 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 structures. Their resistance to seawater, acids, alkalis, and brackish water makes them suitable for offshore platforms, high-pressure pipelines, and industrial equipment exposed to aggressive environments. These flanges provide secure, leak-proof connections in piping and process systems, ensuring reliable operation. By delivering consistent long-term performance under challenging conditions, Monel 400 Flanges ensure safe, efficient, and durable operation across chemical, petrochemical, marine, and industrial applications.
