Tim Fittings is a well-respected manufacturer and supplier located in Wellington, New Zealand, specializing in high-quality Alloy 20 Pipe Fittings that are engineered for top-notch performance in corrosive settings. These fittings are celebrated for their remarkable resistance to sulfuric acid and other harsh chemicals, ensuring they deliver outstanding strength, durability, and reliability. Tim Fittings is dedicated to meeting international standards, employing advanced manufacturing methods and thorough quality testing for every Alloy 20 Pipe Fitting. With a strong focus on precision and performance, the company caters to essential industries like chemical processing, pharmaceuticals, food and beverage, and power generation, both in New Zealand and around the globe.
Specifications ASTM B366 / ASME SB366
Dimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, MSS SP-79
Size 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Type Seamless / 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 20 UNS (N08020), DIN (2.4660)
Alloy 20 Pipe Fittings are crafted from a carefully balanced mix of nickel, chromium, molybdenum, copper, and iron, which grants them exceptional resistance to corrosion, pitting, and chloride stress cracking. These fittings showcase high tensile and yield strength, good ductility, and remarkable mechanical stability, whether in high temperatures or sub-zero conditions. The alloy’s unique composition ensures excellent formability and weldability, making fabrication and installation a breeze. With their blend of mechanical strength and corrosion resistance, Alloy 20 Pipe Fittings promise long-lasting and dependable performance in tough industrial environments.
| Grade | Ni | C | Mn | P | S | Si | Cr | Nb | Mo | Cu |
| Alloy 20 | 32 – 38 | 0.02 max | 1 – 2 | 0.02 max | 0.005 max | 0.7 max | 19 – 21 | 0.1 – 0.3 | 2 – 3 | 3 – 4 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi – 35,000, MPa – 241 | 30 % |
Tim Fittings is a leading supplier of Alloy 20 Pipe Fittings in Wellington, New Zealand. We offer an extensive range of Monel 400 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. | AFNOR | EN |
| Alloy 20 | N08020 | 2.4660 | Z2NCUD31-20AZ | NiCr20CuMo |
Alloy 20 Pipe Fittings from Tim Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
Alloy 20 pipe fittings offer several key advantages, including exceptional resistance to corrosion, particularly in acidic environments like sulfuric acid. Their high nickel content enhances resistance to chloride stress corrosion cracking, while the chromium and molybdenum provide excellent protection against pitting and crevice corrosion. These fittings maintain strength and durability even at high temperatures. Alloy 20 also exhibits good weldability and formability, making it versatile for various industrial applications, such as chemical processing, pharmaceuticals, and food production. Its long-term reliability and resistance to degradation reduce maintenance costs.
Yes, custom sizes for Alloy 20 Pipe Fittings are available at Tim Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@timfittings.co.nz.
These fittings are widely utilized in sectors where resisting chemical attacks and corrosion is crucial. They’re perfect for chemical processing plants, pharmaceutical manufacturing, food and beverage production, and power generation facilities. Commonly found in piping systems, heat exchangers, tanks, and pressure vessels that handle sulfuric acid and other potent chemicals, their ability to endure corrosive substances while maintaining mechanical integrity guarantees safe, efficient, and leak-free operations. Tim Fittings’ Alloy 20 Pipe Fittings are a reliable choice for demanding industrial applications.
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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