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Hazlewood Fasteners, a top-notch manufacturer and supplier located in Canberra, Australia, specializes in high-quality Super Duplex Steel S32750 Washers that are built for exceptional strength and resistance to corrosion. Known for their precision engineering and dependable performance, Hazlewood Fasteners provides products that adhere to international standards and meet the needs of demanding industrial applications. Their Super Duplex Steel S32750 Washers are designed to resist pitting, crevice corrosion, and stress cracking, even in tough marine and chemical environments. With state-of-the-art manufacturing facilities and rigorous quality assurance, Hazlewood Fasteners delivers durable, high-performance fastening solutions that are trusted throughout Australia and in global industries.
Super Duplex Steel S32750 Washers are made up of about 25% chromium, 7% nickel, 4% molybdenum, along with nitrogen additions, giving them remarkable resistance to chloride-induced corrosion. This material boasts a balanced austenitic-ferritic microstructure, which combines outstanding strength with excellent toughness. These washers have a tensile strength of around 800 MPa, a yield strength close to 550 MPa, and an elongation of 25%. They maintain impressive mechanical properties at both high and low temperatures, ensuring superior fatigue resistance, hardness, and durability in aggressive chemical, marine, and high-pressure industrial settings.
| Standard | DIN, ASTM, BS and all International Standards |
| Specifications | ASTM A479 & ASME SA479 |
| UNS S32760 Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Length | 3 to 200 MM |
| Super Duplex Steel 2207 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) | |
| Super Duplex Steel Bolts | 760 | 550 | 15 | 32 Max |
| Phosphorus | Sulphur | Silicon | Carbon | Manganese | Nickel | Molybdenum | Nitrogen | Copper | Chromium |
|---|---|---|---|---|---|---|---|---|---|
| 0.035 % max | 0.02 % max | 0.80 % max | 0.03% Max | 1.20 % max | 6.00 – 8.00 % | 3.00 – 5.00 % | 0.24 – 0.32 % | 0.50 % max | 24.0 – 26.0 % |
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.
Super Duplex Steel S32750 Washers are widely utilized in industries that require high strength and exceptional corrosion resistance. They are perfect for offshore and marine engineering, chemical and petrochemical processing, desalination plants, and power generation systems. These washers are also used in heat exchangers, pressure vessels, subsea equipment, and the pulp and paper industries due to their ability to endure acidic and chloride-rich conditions. Their remarkable resistance to pitting and erosion makes them a reliable choice for various demanding applications.When it comes to ensuring long-term reliability in tough operating conditions, stress corrosion cracking is a key factor. This makes these materials a top choice for fastening assemblies that face extreme mechanical and chemical stresses.
At Hazlewood Fasteners, our Super Duplex Steel S32750 washers are carefully packaged to ensure they reach you in pristine condition. Each washer is inspected for quality and individually wrapped in protective material to guard against damage. They are then packed in robust, clearly labeled boxes that specify product details and quantities. Our packaging is designed to protect against environmental factors and physical impacts, ensuring that your high-performance washers arrive safely and ready for use.
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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