At Adam Stainless, we take pride in offering top-notch SMO 254 flanges, celebrated for their remarkable corrosion resistance and strength. Crafted in Canberra, Australia, these flanges are perfect for tough industrial settings where performance and durability are non-negotiable. Our SMO 254 flanges are meticulously engineered to comply with international standards, ensuring dependable connections in piping systems that face harsh chemicals and seawater. With a sleek finish and precise dimensions, they deliver outstanding sealing performance and a long lifespan across various applications.
The composition of SMO 254 flanges primarily features a super austenitic stainless steel alloy, which includes about 20% chromium, 18% nickel, 6% molybdenum, and 0.2% nitrogen. This distinctive blend grants exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in environments rich in chlorides. On the mechanical side, SMO 254 boasts a tensile strength of around 690 MPa and a yield strength close to 310 MPa, along with impressive toughness, making it ideal for high-pressure and high-temperature scenarios. Its well-balanced microstructure ensures both strength and formability.
| Specifications | : | ASTM A182 / ASME SA182 |
| Size | : | 1/2″ (15 NB) to 48″ (1200NB) |
| Standards | : | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc |
| Grade | C | Mn | Si | Cu | S | P | Mo | Ni | Cr |
| SMO 254 Flanges | 0.02 | 1 | 0.08 | 0.5-1.0 | 0.01 | 0.03 | 6.0-6.5 | 17.5-18.5 | 19.5-20 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8 g/cm3 | 1320-1390 ℃ | 650 | 300 | 35 |
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The SMO 254 slip-on flanges are designed for high-performance applications, featuring superior corrosion resistance and strength. Ideal for harsh environments, they ensure reliable, leak-proof connections in demanding systems.
254 SMO weld neck flanges offer exceptional resistance to corrosion and high temperatures, making them ideal for challenging environments. Their robust design ensures strong, reliable connections in critical piping systems.
SMO UNS S31254 weld neck flanges are engineered for superior corrosion and heat resistance. Perfect for extreme conditions, they provide robust, dependable connections in high-stress and high-temperature environments.
254 SMO blind flanges are designed for high-corrosion resistance and strength in harsh environments. They effectively seal the end of a pipe, providing a secure, leak-proof closure in demanding applications.
SMO UNS S31254 blind flanges offer exceptional resistance to corrosion and high temperatures. Ideal for sealing pipe ends in challenging environments, they ensure a durable, leak-proof closure for critical systems.
SMO UNS S31254 orifice flanges are engineered for high durability and resistance to extreme conditions. They facilitate accurate flow measurement and control in corrosive and high-temperature environments, ensuring reliable performance.
We make sure the highest quality of our SMO 254 Flanges by conducting rigorous testing and inspections. Throughout the manufacturing process. These procedures guarantee the flanges durability and performance in challenging environments. Additionally we prioritize on time delivery to meet our customers deadlines. Ensuring seamless and reliable service for all orders.
You’ll find SMO 254 flanges widely utilized in marine applications, chemical processing, desalination plants, and the offshore oil and gas sectors, thanks to their ability to withstand aggressive environments. They’re particularly suited for piping systems that handle seawater, brine, acids, and other corrosive substances. Moreover, SMO 254 flanges are also employed in power generation, pulp and paper, and pharmaceutical industries where reliability and durability are paramount. With Adam Stainless’s SMO 254 flanges, you can count on secure, leak-proof connections that endure extreme conditions while minimizing maintenance needs.







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