Harry Fittings, located in Houston, USA, is a reliable manufacturer and supplier of top-quality Monel K500 Buttweld Fittings, designed for applications that demand outstanding mechanical strength and remarkable corrosion resistance. Crafted from a precipitation-hardened nickel-copper alloy, Monel K500 boasts improved toughness and durability compared to the standard Monel 400. Harry Fittings offers a comprehensive range of buttweld fittings—including elbows, tees, reducers, and caps—manufactured in line with ASME B16.9, ASTM B366 UNS N05500, and other global standards. These fittings are perfect for critical systems in marine, offshore, chemical, aerospace, and oil & gas sectors where reliability and performance are crucial.
Specifications ASTM B366 / ASME SB366
Dimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, MSS SP-79
Size Seamless 1/2″ – 10″ , Welded 1/2″ – 48″
Type (Seamless & 100% X-Ray Welded, Fabricated)
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Thickness Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Grade Monel K500 Pipe Fittings UNS (N05500), DIN (2.4375)
Monel K500 Buttweld Fittings are composed of approximately 63% nickel, 27-33% copper, and small amounts of aluminum (2.3-3.15%) and titanium (0.35-0.85%). This unique composition enhances their strength and corrosion resistance compared to Monel 400. Mechanically, Monel K500 exhibits a tensile strength of up to 965 MPa and a yield strength of approximately 690 MPa, with excellent toughness and ductility. These fittings also resist corrosion in seawater, acidic, and alkaline environments while maintaining their properties in high-temperature and high-pressure conditions, making them ideal for demanding industrial applications.
| Grade | C | Mn | Si | S | Cu | Fe | Ni |
| Monel K500 | 0.25 max | 1.5 max | 0.5 max | 0.010 max | 27.00 – 33.00 | 0.5 – 2 | 63.00 min |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.44 g/cm3 | 1350 °C (2460 °F) | Psi – 115000 , MPa – 790 | Psi – 160000 , MPa – 1100 | 20 % |
Harry Fittings is a leading supplier of Monel K500 Buttweld Fittings in Houston, USA. We offer an extensive range of Monel K500 Buttweld Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | UNS | WNR. |
| Monel K500 | N05500 | 2.4375 |
Choose Monel K500 Buttweld Fittings from Harry Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.
Monel K500 Buttweld Fittings offer superior strength, corrosion resistance, and durability, making them ideal for harsh environments. The addition of titanium and aluminum enhances their mechanical properties, offering increased hardness and resistance to wear. These fittings are highly resistant to corrosion in seawater, acidic, and alkaline conditions, ensuring long-term reliability in industries such as marine, chemical processing, and oil & gas. Monel K500 also maintains its strength at elevated temperatures and resists stress corrosion cracking, making it suitable for high-pressure, high-temperature applications. Their excellent weldability further enhances their versatility.
Yes, custom sizes for Monel K500 Buttweld Fittings are available at Harry Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@harryfittings.us
Harry Fittings’ Monel K500 Buttweld Fittings find extensive use in marine systems, offshore platforms, oil & gas processing, chemical plants, and aerospace assemblies, where a blend of strength and corrosion resistance is essential. These fittings are perfect for seawater handling equipment, pump and valve systems, heat exchangers, condensers, and high-pressure pipelines. Their non-magnetic properties also make them ideal for defense and electronic applications. In settings where exposure to acids and alkalis is common, these fittings stand out for their durability and reliability.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.
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