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Hazlewood Fasteners, rooted in the industrious pulse of Canberra, Australia, stands as the architect of reliability in advanced fastening solutions�. With a devotion to precision engineering and a relentless pursuit of excellence, Hazlewood crafts super duplex steel bolts that embody technological prestige and unyielding performance. Each creation merges artistry with industrial prowess, destined for environments where the ordinary falters. The Hazlewood stamp is the signature of endurance, carrying forward the legacy of steadfast Australian manufacturing into every project that demands distinction beyond limits
Super duplex steel bolts from Hazlewood Fasteners are forged from a resilient alloy matrix: 25% chromium, 4% molybdenum, 7% nickel—with additions of manganese, silicon, copper, and nitrogen, leaving iron as the solid backbone��. This celestial blend imparts an elevated yield strength of 550 MPa and tensile strength soaring above 795 MPa, coupled with unwavering resistance to chlorine-rich corrosion, fatigue, and cracking. Their dual-phase microstructure—a harmony of austenite and ferrite—translates into unmatched mechanical might, with minimal elongation and a low carbon fingerprint, ensuring every fastener outperforms expectations in punishing domains��.
| 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.
Hazlewood’s super duplex steel bolts are the vanguard in environments where compromise is intolerable�. Anchoring offshore drilling rigs, fortifying chemical processing plants, and safeguarding maritime structures, these fasteners prevail in atmospheres laced with corrosive agents and relentless mechanical onslaught��. In desalination plants, petrochemical installations, and energy infrastructure, their enduring strength and tenacity define the gold standard for reliability. They are the silent sentinels of modern engineering, unphased by chloride ion stress and ceaseless vibration, ensuring safety and longevity where failure is not an option��.
At Hazlewood Fasteners, we take utmost care in packing the Super Duplex Steel bolts for our customers. Every bolt is covered with protective materials to avoid any form of damage, corrosion, or contamination during transportation. We utilize sturdy cartons and provide packaging services that meet your requirements. Clear labeling and packing also help in making identification and handling easier, which is a testimony of our quality products in perfect condition.
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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