Mbemba Stainless is a trusted manufacturer and supplier located in Kinshasa, Congo, known for providing top-notch SMO 254 Nuts. These nuts are crafted from a high-alloy austenitic stainless steel, which offers remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich and marine environments. Mbemba Stainless takes pride in ensuring precision threading, durability, and adherence to international standards. Their SMO 254 nuts are perfect for use in various industries, including chemical processing, desalination, marine engineering, and offshore oil and gas, where high strength and corrosion resistance are crucial for dependable performance.
SMO 254 Nuts consist of roughly 20% chromium, 18% nickel, 6% molybdenum, and 0.2% nitrogen, providing an impressive blend of strength and corrosion resistance. This alloy boasts a tensile strength of about 650 MPa and a yield strength of around 300 MPa. Thanks to its elevated molybdenum and nitrogen content, it significantly enhances resistance to chlorides and reducing acids, outperforming traditional stainless steels like 316L and 317L. The nuts also demonstrate excellent mechanical stability, ductility, and long-lasting performance, even in extreme conditions.
| Range | : | M10 TO M100 |
| Standards | : | ASTM / ASME SB 479 |
| Length | : | UPTO 5 METERS |
| Grade | : | UNS No. S31254 |
| Specification | : | IS, BS, ASTM |
| Type | : | Hot Forged and Cold Forged |
| SMO 254 | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
| 17.5 – 18.5 | 0.02 max | 6 – 6.5 | 1 max | 0.8 max | – | 0.5 – 1 | 0.01 max | 0.03 max | 19.5 – 20.5 |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.0 g/cm3 | 1320-1390 ℃ | 300 | 650 | 35 % |
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Corrosion-resistant product designed for extreme environments. SMO 254 Nuts are available in sizes from M6 to M36, ideal for marine, chemical processing, and offshore applications requiring superior resistance to pitting and crevice corrosion.
SMO 254 Coupling Nuts are engineered for joining threaded rods in harsh conditions. Available in sizes from M6 to M36, they provide strong connections for marine and chemical processing systems, ensuring durability and resistance to severe environments.
Featuring a nylon insert for secure fastening, SMO 254 Nylon Insert Nuts come in sizes from M6 to M24. They are perfect for applications in corrosive environments where vibration resistance and a stable connection are essential.
SMO 254 Flange Hex Nuts offer enhanced load distribution with integrated flanges. Available in sizes from M6 to M24, they are suitable for heavy-duty applications in marine and chemical industries, providing robust support and corrosion resistance.
Engineered for high-stress applications, SMO 254 Heavy Hex Nuts are available in sizes from M6 to M36. They are ideal for use in demanding environments like offshore rigs and chemical processing facilities, offering exceptional strength and corrosion resistance.
SMO 254 Square Nuts feature a large surface area for effective torque application. Available in sizes from M6 to M24, they are ideal for secure fastening in tight spaces, particularly in marine and industrial settings where superior corrosion resistance is required.
We ensure that all the products are of high quality, including SMO 254 Nuts, with consistent performance verified through an extensive range of tests such as hardness testing, spectro analysis, PMI, and flaring tests. We also perform micro and macro tests, pitting resistance tests, and IGC tests to ensure superior quality in every material we deliver. We have beyond our strict testing procedure adequate documentation such as commercial invoices, packaging list with net and gross weight, box numbers and labels. In addition, the legalized or attested Certificate of Origin and Third-Party Inspection Certificates establish our firm’s decision to present quality products for customers with absolute satisfaction.
You’ll find SMO 254 Nuts commonly used in seawater handling systems, desalination equipment, chemical processing plants, marine hardware, and heat exchangers. They’re also utilized in the pulp and paper industries, offshore platforms, and flue gas cleaning systems. With their outstanding corrosion resistance and high mechanical strength, these nuts are ideal for securing joints and assemblies in challenging environments where standard stainless steel fasteners might fail, ensuring durability and safety in critical industrial operations.
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