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At Hazlewood Fasteners in Canberra, we manufacture fasteners that defy corrosion, pressure, and time. Our SMO 254 fasteners are crafted from a super austenitic stainless steel alloy engineered for the most aggressive marine, chemical, and industrial environments. With exceptional resistance to pitting, crevice corrosion, and chloride-induced stress cracking, these fasteners ensure steadfast performance under relentless heat and chemical exposure. Hazlewood Fasteners’ SMO 254 range—bolts, nuts, washers, and stud bolts—embodies precision and endurance. They are the trusted choice for engineers who demand absolute reliability, structural integrity, and longevity in environments where ordinary materials simply fail to endure.
SMO 254 fasteners are made from a high-alloy austenitic stainless steel containing approximately 20% chromium, 18% nickel, 6% molybdenum, and nitrogen. This unique chemistry provides superior resistance to chlorides, acids, and oxidizing agents, with outstanding mechanical strength and thermal stability. These fasteners offer high tensile and yield strength, excellent ductility, and fatigue resistance, even under high pressure and temperature. Designed for endurance, SMO 254 fasteners maintain corrosion resistance and dimensional stability in marine, offshore, and industrial environments, ensuring secure, long-lasting fastening where mechanical strength and corrosion protection are paramount.
| Grade | C | Mn | Si | S | Cu | Ni | Cr | N | Mo | P |
| SMO 254 | 0.02 max | 1 max | 0.8 max | 0.01 max | 0.5 – 1 | 17.5 – 18.5 | 19.5 – 20.5 | 0.18 – 0.22 | 6 – 6.5 | 0.03 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SMO 254 | 8.0 g/cm3 | 1320-1390°C | 650 | 300 | 35 % |
Standard : DIN, ASTM, BS and all International Standards
Size : 3 mm to 200 mm
Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers Size : M1 – M64 | #4 to 3″ | Custom Sizes
Length : M02 to M33
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 fasteners are widely used in desalination plants, offshore platforms, heat exchangers, marine engineering, pulp and paper industries, and chemical processing equipment. Their superior resistance to chloride stress corrosion and oxidation makes them ideal for seawater, brine, and acidic environments. Hazlewood Fasteners’ SMO 254 fasteners ensure secure, vibration-resistant assemblies in piping systems, pressure vessels, and structural frameworks exposed to harsh conditions. Designed for longevity and precision, they deliver exceptional performance and durability where mechanical strength and corrosion resistance define reliability—making them the go-to choice for critical applications across marine, industrial, and chemical sectors.
At Hazlewood Fasteners, our SMO 254 fasteners are carefully packed so that they reach the customers in the best possible condition. Every fastener is protected and packed in durable and moisture proof packets to ensure that they do not get damaged or contaminated. It is easier to identify and handle items that are well labeled. The packaging process ensures that the fasteners are in the best condition and ready for use, which is a testament to the quality of our products and the quality of our 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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