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At Hazlewood Fasteners in Canberra, we engineer bolts built for environments where strength and corrosion resistance are non-negotiable. Our SMO 254 bolts are forged from a super austenitic stainless steel alloy designed to withstand the most punishing marine, chemical, and industrial conditions. With extraordinary resistance to pitting, crevice corrosion, and chloride-induced cracking, these bolts provide unwavering performance under high pressure, heat, and chemical exposure. Hazlewood Fasteners’ SMO 254 bolts deliver precision fastening and structural integrity, empowering engineers to build with confidence in industries where reliability, endurance, and corrosion protection define success.
SMO 254 bolts are composed of a high-alloy austenitic stainless steel containing approximately 20% chromium, 18% nickel, 6% molybdenum, and nitrogen. This composition delivers exceptional resistance to chlorides, acids, and seawater environments, offering superior strength and durability. These bolts exhibit high tensile and yield strength, excellent ductility, and fatigue resistance, even under extreme stress and temperature. Engineered for stability and endurance, SMO 254 bolts maintain their integrity under vibration, thermal cycling, and chemical exposure, ensuring secure, long-term fastening in the harshest operational environments.
| 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 are the fastener of choice for desalination plants, marine equipment, chemical processing facilities, heat exchangers, and offshore oil and gas installations. Their remarkable resistance to chloride corrosion and oxidation ensures reliability in seawater, brine, and acidic environments. Hazlewood Fasteners’ SMO 254 bolts provide secure, vibration-resistant connections in pressure vessels, pipelines, and structural frameworks exposed to harsh industrial and marine conditions. Designed for strength and longevity, these bolts guarantee superior performance, stability, and safety—making them indispensable to industries where mechanical endurance and corrosion protection are essential for long-term success.
Our SMO 254 bolts at Hazlewood 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.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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