Aditya Stainless is a top-notch manufacturer and supplier of high-performance SMO 254 Nuts based in Kolkata, India. Renowned for their outstanding quality and precision engineering, Aditya Stainless provides fasteners that adhere to strict international standards. Their SMO 254 Nuts are specifically crafted for highly corrosive environments, utilizing advanced technology to guarantee exceptional strength and durability. Catering to sectors like chemical processing, marine engineering, and oil & gas, the company offers a diverse range of sizes and specifications to meet various needs. With a solid reputation in Kolkata, Aditya Stainless embodies quality, reliability, and a customer-focused approach.
SMO 254 is a high-alloy austenitic stainless steel that features around 20% chromium, 18% nickel, 6% molybdenum, and a notable amount of nitrogen (0.2%). This unique blend provides remarkable resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. Its mechanical properties boast a tensile strength of 650 MPa, yield strength of 300 MPa, and an elongation of 35%, with a hardness of about 210 HB. These characteristics make SMO 254 Nuts perfect for environments exposed to seawater, strong oxidizing acids, and high chloride 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.
Aditya Stainless offers SMO 254 Nuts that are highly sought after in industries that demand exceptional corrosion resistance and strength. Common applications include equipment for chemical and petrochemical processing, desalination plants, marine and offshore engineering, and the pulp and paper sector. They are ideal for fastening in heat exchangers, pressure vessels, seawater handling systems, and flue-gas cleaning. In Kolkata and throughout India, SMO 254 Nuts are favored for their performance in extreme chloride environments and aggressive media, ensuring a long service life and minimal maintenance in critical, high-stress applications.
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