Santner Nickel Alloys, a leading manufacturer and supplier located in Hamilton, New Zealand, specializes in high-quality Monel 400 Flanges that are built to excel in tough industrial settings. Made from top-notch Monel 400 alloy, these flanges boast outstanding corrosion resistance, durability, and mechanical strength, ensuring they stand the test of time even in harsh marine, chemical, and offshore environments. Thanks to advanced manufacturing techniques and rigorous quality checks, Santner Nickel Alloys produces flanges that adhere to international standards and precise specifications. Their Monel 400 Flanges are relied upon globally for critical piping systems, providing strong connections and ensuring safety in high-performance industrial applications.
Monel 400 Flanges are mainly made up of about 63% nickel and 28–34% copper, along with small amounts of iron, manganese, and silicon. This unique blend gives them excellent resistance to corrosion in seawater, acids, and alkaline conditions. On the mechanical side, Monel 400 flanges deliver high tensile and yield strength, remarkable toughness, and outstanding fatigue resistance. They remain stable across a wide temperature range and are resistant to stress-corrosion cracking and pitting. These characteristics make Monel 400 flanges ideal for high-pressure applications, ensuring long-lasting reliability in demanding marine, chemical, and industrial settings.
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 Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Monel 400 Flanges in Hamilton, New Zealand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the New Zealand, 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 find extensive use in industries that need strong, corrosion-resistant piping connections. In marine settings, they are essential for seawater systems, desalination plants, and offshore structures. The chemical and petrochemical sectors utilize them in pipelines, reactors, and fluid processing systems that come into contact with corrosive substances. They are also employed in the oil and gas industry, power generation facilities, and high-pressure industrial pipelines. Monel 400 flanges ensure secure, leak-free connections, making them a trusted choice for various applications.
