Akor Stainless stands out as a top manufacturer and supplier of SMO 254 Nuts, proudly based in Abuja, Nigeria. This company focuses on delivering high-performance fastening solutions that can handle extreme conditions like corrosion, heat, and mechanical stress. Crafted from a high-alloy austenitic stainless steel, SMO 254 Nuts are perfect for environments rich in seawater, chemicals, and chlorides. Akor Stainless guarantees that each nut adheres to strict international quality standards, ensuring precise threading, durability, and dimensional accuracy. These fasteners find their place in desalination plants, marine systems, and chemical processing industries, where exceptional corrosion resistance, strength, and long-term reliability are essential.
When it comes to composition and mechanical properties, SMO 254 Nuts are made up of about 20% chromium, 18% nickel, 6% molybdenum, and 0.2% nitrogen, with the rest being iron. This unique blend gives them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in harsh chloride and acidic environments. They boast a tensile strength of around 650 MPa, a yield strength of 300 MPa, and an elongation of 40%. Even under high temperatures, SMO 254 maintains excellent mechanical stability, formability, and weldability. Its microstructure ensures it outperforms standard stainless steel grades like 316L or duplex alloys in terms of strength, ductility, and corrosion resistance.
| 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.
SMO 254 Nuts are widely utilized in industries that face harsh corrosive and chloride-rich conditions. They excel in seawater handling, desalination plants, marine equipment, and offshore oil and gas structures. In the chemical and petrochemical sectors, these nuts are essential for process vessels, heat exchangers, and pipelines that deal with acidic solutions. Pulp and paper plants rely on them for bleaching equipment and digesters. They also play a vital role in pollution control, food processing, and environmental systems, thanks to their outstanding resistance to localized corrosion.
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