Khaleed Stainless is a well-respected manufacturer and supplier based in Riyadh, Saudi Arabia, specializing in top-notch SMO 254 Nuts that are built to excel in tough, corrosive environments. These nuts are crafted with precision to deliver outstanding strength, durability, and resistance to pitting, crevice, and stress corrosion cracking. Renowned for their exceptional performance in chloride-rich and acidic settings, SMO 254 Nuts find their place in various industries, including oil & gas, desalination, petrochemical, marine, and chemical processing. Khaleed Stainless adheres to strict quality standards, ensuring that these fastening solutions are reliable, long-lasting, and cost-effective for critical industrial applications.
The makeup of SMO 254 Nuts features around 20% chromium, 18% nickel, 6% molybdenum, nitrogen, and low carbon content, all of which contribute to their impressive corrosion resistance. On the mechanical side, they boast a tensile strength of about 680 MPa, a yield strength nearing 300 MPa, and an elongation capacity of 35–40%. These nuts also show remarkable toughness, high fatigue resistance, and excellent weldability. Their capability to resist chloride-induced corrosion, stress, and cracking makes them perfect for use in demanding and high-stress environments.
| 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 require secure fastening solutions under harsh conditions. You’ll find them in offshore oil rigs, desalination plants, marine structures, heat exchangers, and chemical processing equipment. They’re also essential in pressure vessels, pipelines, and flue-gas cleaning systems where exposure to chlorides and seawater is a concern. Thanks to their long service life, corrosion resistance, and mechanical strength, they help cut down on maintenance costs, ensuring reliable performance. These attributes make SMO 254 Nuts a go-to choice for critical industrial fastening needs.







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