If you’re looking for a reliable source of nickel-based products, Themba Nickel Alloys is your go-to manufacturer and supplier, proudly based in Cape Town, South Africa. They specialize in top-notch offerings like Monel 400 Flanges, ensuring that every product meets the highest global standards for strength, durability, and resistance to corrosion. With state-of-the-art manufacturing facilities and a team of experts, Themba Nickel Alloys caters to key industries such as marine, chemical, oil and gas, and aerospace. Their Monel 400 Flanges are engineered to perform exceptionally well in extreme conditions, showcasing the company’s commitment to precision, innovation, and customer satisfaction both in Africa and beyond.
Monel 400 Flanges are made up of about 63% nickel and 28–34% copper, along with trace amounts of iron, manganese, carbon, and silicon. This unique blend gives them remarkable resistance to seawater, acids, and alkaline solutions. On the mechanical side, these flanges boast high tensile and yield strength, impressive toughness, and excellent resistance to stress-corrosion cracking. They maintain their mechanical integrity across a broad temperature range and are easy to weld and machine, making them perfect for tough applications that require long-lasting corrosion resistance and performance in harsh environments.
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 Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Monel 400 Flanges in Cape Town , South Africa, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Cape Town, 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.
You’ll find Monel 400 Flanges widely used in sectors that demand exceptional strength and corrosion resistance. In marine settings, they’re essential for seawater piping systems, heat exchangers, and pump assemblies. The chemical and petrochemical industries rely on them for processing equipment, reactors, and piping systems that deal with acidic or alkaline materials. They’re also a staple in oil and gas refineries, power generation plants, and aerospace applications. Thanks to their ability to endure high pressure, temperature, and corrosive conditions, Monel 400 Flanges guarantee reliable performance and low maintenance in critical industrial operations.
