Lecong Stainless is a well-respected manufacturer and supplier of high-performance SMO 254 bolts based in Da Nang, Vietnam. They’ve built a solid reputation for providing top-notch corrosion-resistant fasteners that cater to a variety of industries, including marine, chemical, and offshore sectors. With state-of-the-art manufacturing facilities and rigorous quality control measures, Lecong Stainless guarantees that every bolt meets international standards. Their skill in crafting specialty stainless steel products, particularly SMO 254 bolts, has earned them a loyal following in both local and global markets. By blending innovation, reliability, and cost-effectiveness, Lecong Stainless plays a vital role in supporting critical infrastructure and industrial projects throughout Vietnam and beyond.
SMO 254 bolts are made from high-alloy austenitic stainless steel, featuring around 20% chromium, 18% nickel, 6% molybdenum, and nitrogen, which gives them outstanding corrosion resistance. These bolts are known for their high tensile strength, impressive impact toughness, and exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. They boast mechanical properties that include a minimum tensile strength of 650 MPa and a yield strength of 300 MPa, making them perfect for challenging environments. Built to endure high temperatures and harsh chemical exposure, SMO 254 bolts are ideal for applications that demand strong mechanical performance and a long service life in tough conditions.
| Specifications of 254 SMO Fasteners | ASTM A479 & ASME SA479 |
| Standard of 254 SMO Fasteners | DIN, ASTM, BS and all International Standards |
| Length of 254 SMO Fasteners | 3 mm to 200 mm |
| 254 SMO Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| 254 SMO Bolt / Screw Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| 254 SMO Machine Screws Size | M1.6 – M12 |
| 254 SMO Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Stainless Steel Grades | SMO 254 |
| 254 SMO Fasteners Type | Socket Screw, Hex Set Screw, Cap Screw, Machine Screw, Wing Screw, Spring Washers, Washers, Studs, Marine Anchors, Anchors, Hexagon Nut,U- Bolts, Anchor Bolt, Mushroom Head Square Neck Bolts, J Bolts,Eye Bolt,Structural Bolts, Bolts, Nuts, Sockets, Screws, Allen Cap screw, Nut, Hex Coupling Nut, Hex Nut, Square Nut, Hex Domed Cap Nuts, Hex Head Bolts, Stud Bolts, Socket Hexagon Head Screw, Pan Head Screw, Socket Head Cap Screw, Wing Screw, T-Head Bolts, Foundation Bolts,Screw, Studs |
| 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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SMO 254 bolts are high-performance fasteners made from super duplex stainless steel, offering exceptional corrosion resistance and strength. Ideal for marine, chemical, and high-temperature applications, they ensure durability and reliability.
F44 SMO 254 bolts are high-performance fasteners made from super duplex stainless steel grade F44. They offer superior corrosion resistance and strength, suitable for marine, chemical, and high-temperature applications.
ASTM A479 UNS S31254 bolts are high-strength fasteners made from super duplex stainless steel. They provide excellent corrosion resistance and durability, suitable for demanding applications in marine, chemical, and high-temperature environments.
UNS S31254 hex bolts are high-strength fasteners made from super duplex stainless steel. They feature a hexagonal head for secure tightening and offer excellent corrosion resistance in demanding marine and industrial applications.
F44 SMO 254 hex bolts are high-performance fasteners made from super duplex stainless steel F44. They feature a hexagonal head, offering superior corrosion resistance and strength for marine and chemical applications.
1.4547 bolts are made from super duplex stainless steel, offering exceptional corrosion resistance and strength. Ideal for harsh environments like marine and chemical industries, they provide durability and high performance.
Our quality control team conducts very intensive destructive and non-destructive tests after manufacture. Bolt efficiency and reliability have been guaranteed utilizing advanced tools and techniques on SMO 254 bolts. These quality controls ensure that each bolt meets the highest applicable standards for industrial applications. Once approved bolts, we pack them up tightly and in using suitable materials for safety in transit. We ensure smooth and timely delivery for our valued customers without any delay. Besides, we provide all the required documentation at the time of delivery for the customer’s convenience, to further build trust and transparency.
The SMO 254 bolts produced by Lecong Stainless in Da Nang are extensively utilized in highly corrosive settings due to their remarkable resistance properties. These bolts are crucial in industries such as offshore oil and gas, chemical processing, pulp and paper, marine engineering, and desalination plants. Their high strength and outstanding resistance to chlorides make them particularly suited for saltwater and acidic environments. Furthermore, SMO 254 bolts find applications in heat exchangers, pressure vessels, and flue gas cleaning systems, where performance and durability are paramount. Lecong Stainless is committed to ensuring reliability in every product they deliver.
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