Machuca Fittings, located in Kuala Lumpur, Malaysia, has built a solid reputation as a manufacturer and supplier of SMO 254 Buttweld Fittings. They specialize in providing precision-engineered solutions tailored for highly corrosive and demanding environments. Their impressive product lineup features elbows, tees, reducers, crosses, and end caps, all designed to create strong, leak-proof, and durable connections in piping systems. SMO 254 is a super austenitic stainless steel known for its remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride-rich settings. By adhering to strict quality standards, Machuca Fittings guarantees that their SMO 254 buttweld fittings meet the rigorous demands of the chemical, marine, desalination, and oil & gas industries.
Specifications : ASTM A403 / ASME SA403
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 3/4″ – 12″
Type : Seamless / Welded / Fabricated
Schedule : Sch 5 TO Sch XXS.
Thickness : 20 Swg., 18 Swg., 16 Swg., 14 Swg., 12 Swg., 10 Swg., & Sch. 10, Sch. 40, Sch. 80 etc.
These SMO 254 Buttweld Fittings are crafted from high levels of chromium, nickel, and molybdenum, with added nitrogen and copper to boost corrosion resistance. This unique composition offers exceptional protection against aggressive chloride environments while ensuring outstanding mechanical properties. These fittings boast high tensile and yield strength, excellent toughness, and good ductility, even in extreme conditions. Thanks to their strong weldability and formability, SMO 254 buttweld fittings excel in applications where traditional stainless steels might fall short, providing durability and a long service life.
| Grade | % | Ni | Cr | Mo | Cu | N | C | Mn | Si | P | S |
| SMO 254 | Min. | 17.5 | 19.5 | 6 | 0.5 | 0.18 | |||||
| Max. | 18.5 | 20.5 | 6.5 | 1 | 0.22 | 0.02 | 1 | 0.8 | 0.03 | 0.01 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SMO 254 | 8.0 g/cm3 | 1320-1390 ℃ | 650 | 300 | 35 % |
Machuca Fittings is a leading supplier of SMO 254 Buttweld Fittings in Kuala lumpur, Malaysia. We offer an extensive range of SMO 254 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 | WERKSTOFF NR. | UNS | JIS | SIS | GOST | AFNOR | EN |
| SMO 254 | 1.4547 | S31254 | – | 2378 | – | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 |
SMO 254 Buttweld Fittingsfrom Machuca 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.
SMO 254 Buttweld Fittings provide excellent resistance to pitting, crack corrosion, and stress corrosion cracking, making them ideal for harsh environments such as chemical, marine and offshore applications. These materials also provide excellent weldability and formability, resulting in reliable and durable connections. SMO 254’s ability to withstand extreme temperature and pressure fluctuations adds great versatility under challenging industrial conditions. Its overall durability and reliability reduce maintenance and replacement costs.
All dimensions given in inches for common diameters and wall thicknesses. Dimensions in accordance with ASME B16.9. Other sizes, schedules and wall thicknesses also available. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Yes, custom sizes for SMO 254 Buttweld Fittings are available at Machuca Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@machucafittings.com.
You’ll find SMO 254 Buttweld Fittings widely used in industries where top-notch corrosion resistance and strength are essential. In desalination plants, they play a crucial role in piping systems that manage seawater and brine. The chemical and petrochemical sectors depend on them for transporting corrosive acids and chemicals. In the oil and gas industry, they are vital for offshore platforms, refineries, and subsea systems. Marine industries benefit from their seawater resistance, while sectors like pulp and paper, food processing, and wastewater treatment rely on them in harsh environments. Their durability and corrosion resistance make them indispensable for long-term 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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