Majid Fasteners stands out as a top manufacturer and supplier of SMO 254 Nuts in Dubai, UAE, providing high-performance fastening solutions specifically designed for extreme corrosion environments. Thanks to their state-of-the-art production facilities, rigorous quality assurance processes, and a talented technical team, the company crafts precision-engineered nuts that can handle tough chemical, saltwater, and high-pressure conditions. Majid Fasteners’ SMO 254 Nuts are well-known for their remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich settings. With a reputation for reliability, durability, competitive pricing, and prompt delivery, Majid Fasteners caters to essential industries such as marine engineering, desalination, petrochemical processing, offshore platforms, power generation, and chemical plants.
These SMO 254 Nuts are made from a super austenitic stainless steel alloy that boasts high levels of chromium, nickel, and molybdenum, along with added nitrogen to boost strength and corrosion resistance. This unique alloy offers exceptional pitting resistance equivalent number (PREN > 42), impressive tensile and yield strength, and outstanding toughness. SMO 254 Nuts are not only easy to weld and form but also provide strong resistance to stress corrosion cracking, crevice attack, and general corrosion, even in seawater and acidic conditions. Their mechanical properties remain stable under high temperatures and pressures, making them ideal for demanding industrial operations that require enhanced corrosion performance.
Standard ASTM A182, A479 / ASME SA182, SA479
Dimensions DIN 934/936/982/985, ISO 4032 / 4033 /4035, ASME B18.2.2, B18.2.4.6M
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Size M6-M100
Type Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling
Length 3 mm to 200 mm
Grade SMO 254 F44 UNS (S31254), DIN (1.4547)
| Grade | Ni | C | Mo | Mn | Si | F | Cu | S | P | Cr |
| SMO 254 | 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 |
| Element | Density | Melting Point | Yield Strength (0.2%Offset | Tensile Strength | Elongation |
| SMO 254 | 8.0 g/cm3 | 1320-1390 ℃ | 300 | 650 | 35 % |
You’ll find SMO 254 Nuts widely used in applications that call for superior corrosion resistance and mechanical stability in harsh environments. They are commonly found in seawater systems, desalination plants, offshore oil and gas platforms, marine hardware, heat exchangers, condensers, and pressure vessel assemblies. In the chemical and petrochemical sectors, they play a crucial role in handling sulfuric acid, processing chlorine gas, and supporting pulp and paper bleaching equipment.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
