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MUKAU FASTENERS is a reliable manufacturer and supplier based in Kinshasa, Congo, specializing in top-notch SMO 254 Bolts designed to withstand the toughest industrial conditions. Crafted from a high-performance austenitic stainless steel alloy, these bolts boast remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, making them perfect for secure fastening in environments rich in chlorides, acids, and high temperatures. MUKAU FASTENERS adheres to strict manufacturing standards and international quality benchmarks, providing SMO 254 Bolts that are ideal for applications in chemical processing, petrochemical industries, offshore operations, marine settings, and high-performance machinery, where reliability and long-term performance are crucial.
SMO 254 Bolts are made up of about 20% chromium, 18% nickel, 6–7% molybdenum, and 0.2–0.3% nitrogen, resulting in a high-alloy austenitic stainless steel. They deliver impressive tensile strength ranging from 750 to 900 MPa, along with excellent yield strength, toughness, and outstanding resistance to pitting, crevice, and stress corrosion cracking. These bolts maintain their shape and mechanical integrity even in high-chloride, high-temperature, and chemically aggressive settings. Their exceptional fatigue and stress resistance make them perfect for critical fastening tasks where long-lasting reliability and secure mechanical performance are a must.
| 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 % |
| 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 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
SMO 254 Bolts find extensive use in chemical and petrochemical plants, offshore oil and gas platforms, desalination plants, marine engineering projects, and high-performance industrial machinery. They are particularly suited for fastening pressure vessels, heat exchangers, pumps, piping systems, and structural components that face corrosive, chloride-rich, and high-temperature conditions, ensuring strong, durable, and long-lasting connections. With their excellent corrosion resistance and mechanical strength, these bolts minimize maintenance needs and enhance operational efficiency.
Our SMO 254 bolts at Mukau Fasteners are properly packed to meet the best quality when they get to you. Every bolt is protected and packed separately in well sealed moisture proof containers to avoid damage and contamination. Proper labeling helps in identification and management of the items in the right manner. Our packaging ensures that the bolts do not lose their quality and are readily available for use which is a testimony of our quality products and services.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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