Harry Fittings, a well-respected manufacturer and supplier located in Houston, USA, specializes in high-performance SMO 254 pipe fittings designed for extremely corrosive and high-chloride environments. SMO 254 is a high-alloy austenitic stainless steel crafted for exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Harry Fittings produces a wide variety of SMO 254 elbows, tees, reducers, and caps that comply with ASTM and ASME standards. These fittings are perfect for demanding applications in offshore, chemical processing, desalination, and marine industries. Renowned for their strength, corrosion resistance, and longevity, SMO 254 fittings provide reliable fluid handling solutions.
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.
SMO 254 pipe fittings from Harry Fittings are made up of 19.5–20.5% chromium, 17.5–18.5% nickel, and 6–6.5% molybdenum, along with some nitrogen and copper. This unique blend offers remarkable resistance to chloride-induced pitting and crevice corrosion, particularly in seawater and harsh chemical settings. SMO 254 boasts a high yield strength of around 300 MPa and a tensile strength of about 650 MPa, along with excellent ductility and weldability. Manufactured according to ASTM A403, these pipe fittings undergo rigorous testing for mechanical properties, corrosion resistance, and dimensional accuracy, making them ideal for high-pressure, high-corrosion service conditions.
| 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 % |
Harry Fittings one of the largest suppliers of Stainless Steel SMO 254 Pipe Fittings in Houston, USA. We specialize in providing a wide range of high-quality, durable fittings for various industrial applications. Our inventory includes elbows, tees, reducers, couplings, and other essential fittings designed to offer exceptional corrosion resistance and strength. Stainless Steel SMO 254 is known for its cost-effectiveness and excellent mechanical properties, making it ideal for industries such as construction, chemical processing, and food processing. With a commitment to customer satisfaction, timely delivery, and competitive pricing, we are the trusted choice for Stainless Steel SMO 254 Pipe Fittings in the USA.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel SMO 254 Pipe Fittings from Harry 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 Pipe Fittings offer several key advantages, including exceptional resistance to pitting, crevice corrosion, and chloride stress corrosion cracking, making them ideal for harsh environments. Their high molybdenum content ensures superior corrosion resistance in seawater, acids, and chemicals. The alloy also provides excellent strength and toughness, even in high-temperature conditions. SMO 254 fittings are highly durable and maintain their integrity in challenging applications, such as marine, chemical, and petrochemical industries. Additionally, they offer excellent weldability and formability, making them a versatile and reliable choice for demanding industrial needs.
Yes, custom sizes are available for Stainless Steel SMO 254 Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@harryfittings.us.
| STANDARD | WERKSTOFF NR. | UNS | JIS | SIS | GOST | AFNOR | EN |
| SMO 254 | 1.4547 | S31254 | – | 2378 | – | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 |
Harry Fittings’ SMO 254 pipe fittings find extensive use in offshore platforms, seawater cooling systems, pulp and paper bleaching plants, chemical tankers, desalination plants, and heat exchangers. Their exceptional resistance to chloride-rich environments, such as seawater, brine, and acidic solutions, makes them perfect for marine and chemical processing systems. These fittings are also well-suited for flue gas cleaning, hydrometallurgy, and pollution control equipment. With outstanding mechanical properties and corrosion resistance, they ensure reliable performance in even the most challenging conditions.
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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