Amer Stainless, located in Amman, Jordan, stands out as a top manufacturer and supplier of premium stainless steel products, including the highly regarded SMO 254 nuts. These nuts are specifically crafted to thrive in tough industrial, marine, and chemical settings, offering remarkable strength, durability, and resistance to corrosion. At Amer Stainless, every SMO 254 nut is produced to meet rigorous quality standards, ensuring dependable performance even in high-pressure and corrosive situations. With a commitment to precision manufacturing, prompt delivery, and a strong focus on customer satisfaction, Amer Stainless has built a solid reputation as a reliable source for high-quality stainless steel fastening solutions throughout Jordan and beyond.
Crafted from high-alloy austenitic stainless steel, SMO 254 nuts contain around 20% chromium, 18% nickel, 6% molybdenum, and trace amounts of nitrogen. This unique blend gives them outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, even in environments rich in chlorides or acids. On the mechanical side, they boast high tensile and yield strength, along with excellent hardness, ductility, and toughness, which help them maintain secure connections under significant mechanical loads and extreme conditions. Their corrosion-resistant surface guarantees long-lasting reliability in demanding industrial, marine, and chemical applications.
| 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 find their place in various industries, including chemical processing, oil and gas, desalination, marine engineering, and power generation. They are perfect for securing pipelines, valves, equipment, and structural components in environments that face corrosive fluids, high pressure, and elevated temperatures. These nuts provide strong, durable, and leak-proof connections, making them vital for critical systems where reliability and safety are crucial. The blend of strength, corrosion resistance, and durability makes SMO 254 nuts the go-to choice for high-performance applications in industrial, marine, and chemical sectors.







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