Request For Our Latest Prices On Duplex Steel Fasteners in Canberra, Australia!
At Hazlewood Fasteners in Canberra, Australia, our Duplex steel fasteners are crafted for industries where harsh conditions demand twice the resilience and zero tolerance for failure. Born from a dual-phase austenitic-ferritic structure, these fasteners deliver unmatched toughness, superior chloride-corrosion resistance, and formidable mechanical power. They thrive where salt, chemicals, and constant stress try to dismantle engineering integrity — from marine infrastructure to chemical reactors. When the mission calls for fastening systems that refuse to warp, crack, or corrode under punishing industrial realities, Hazlewood’s Duplex steel fasteners stand defiant — engineered to protect, endure, and outperform.
Duplex steel fasteners combine a balanced austenitic-ferritic microstructure enriched with chromium, molybdenum, and nitrogen for superior strength, corrosion resistance, and fatigue endurance. Their duplex DNA grants high tensile and yield strength — nearly double that of standard stainless steels — with enhanced toughness and resistance to stress-corrosion cracking, pitting, and crevice attack. They maintain structural discipline under extreme pressure, abrasive conditions, and chloride-heavy environments. With excellent weldability, strong ductility, and robust metallurgical stability, Duplex fasteners deliver next-level fastening performance where aggressive conditions and mechanical intensity collide.
| 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 % |
| Grade | YS (MPa) | UTS (MPa) | % Elongation | Hardness(BHN) |
| UNS S32750 | 550 min. | 795 min. | 15 min. | 310 max. |
| UNS S32760 | 550 min. | 750 min. | 25 min. | 270 max. |
| Specifications | : | ASTM A182 / ASME SA182 |
| Size | : | 1/8″ NB TO 24″ NB |
| Standards | : | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | : | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F6 |
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.
Duplex steel fasteners power critical assemblies across marine engineering, desalination systems, offshore structures, petrochemical plants, and chemical processing units. They secure pumps, valves, turbine housings, heat exchangers, and pipeline frameworks exposed to seawater, chlorides, and corrosive industrial media. Trusted in shipping docks, refinery equipment, underwater platforms, paper-pulp plants, and high-strength structural joints, Duplex fasteners provide unwavering fastening integrity where corrosive atmospheres and violent mechanical loads coexist. Whether resisting saltwater attack, chemical abrasion, or high-pressure process cycles, these fasteners anchor vital equipment with long-life stability and fearless durability in unforgiving industrial landscapes.
At Hazlewood Fasteners, we prioritize the safe packaging of Duplex Steel Fasteners to maintain their quality and prevent damage. Each binder is thoroughly inspected and wrapped in protective packaging to ensure it arrives in the best possible condition. We offer a range of packaging options, including drop boxes and containers in sizes to suit your needs. Our durable packaging solutions protect your fasteners during transit and storage, assuring they are ready for immediate use in your most demanding applications.
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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