Welcome to Niazi Stainless, your trusted partner in Manama, Bahrain, for precision-engineered industrial components. We specialize in supplying high-performance SMO 254 nuts, manufactured to meet the most demanding specifications. Situated at the heart of the Gulf, we are perfectly positioned to serve clients across various industries with reliable, durable fastening solutions. Our commitment is to provide not just a product, but a promise of quality and exceptional service, ensuring your projects are built on a foundation of strength and corrosion resistance.
The outstanding performance of SMO 254 nuts comes from their unique composition, which includes a high level of chromium, nickel, and molybdenum, along with a deliberate addition of nitrogen. This specific mix gives these nuts incredible strength and toughness, allowing them to perform reliably under significant stress and pressure. Most importantly, they possess a phenomenal resistance to pitting and crevice corrosion, making them far superior to standard stainless steels, especially in challenging environments where other materials might quickly fail.
| 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 % |
Contact us to get a quick quote for your requirement.
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 the go-to choice for projects where failure is not an option. You will find them securing critical components in offshore oil and gas platforms, chemical processing plants, and desalination units, where they brave highly corrosive seawater and aggressive chemical solutions. They are also essential in pollution control scrubbers, pharmaceutical equipment, and marine applications. Essentially, wherever extreme conditions threaten the integrity of standard fasteners, SMO 254 nuts provide the long-lasting, maintenance-free performance needed to ensure safety and operational continuity for years to come.







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