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Aria Fasteners, based in Hamilton, New Zealand, is a reliable manufacturer and supplier of top-notch Super Duplex Steel Bolts. Renowned for their precision engineering and outstanding durability, the company produces bolts that can handle tough industrial conditions while keeping their structural integrity intact. Each S32750 bolt from Aria Fasteners is crafted to meet international quality standards, ensuring excellent corrosion resistance, strength, and reliability. Their dedication to timely delivery, competitive pricing, and customer satisfaction has made them a go-to partner for clients in marine, offshore, chemical, and heavy engineering sectors that need high-performance fastening solutions.
Super Duplex Steel Bolts S32750 are crafted from a high-alloy blend of chromium, molybdenum, and nitrogen, showcasing a duplex microstructure of ferrite and austenite. This unique composition provides them with remarkable resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. On the mechanical side, these bolts boast high tensile and yield strength, exceptional toughness, and superior fatigue resistance, even in extreme temperatures. The combination of corrosion resistance and mechanical strength ensures that S32750 bolts deliver long-lasting performance in environments where regular stainless steels fall short.
| 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 bolts that are used in many high performance industries. In chemical processing, they are able to cope with the attack of aggressive chemicals and high pressures. In marine applications, they are able to withstand the effects of saltwater thus are long lasting. In the oil and gas industry, they offer secure fastening where there is high stress. Furthermore, Super Duplex Steel bolts are applied in power generation and construction because of their ability to withstand harsh conditions.
Super Duplex Steel Bolts S32750 find their place in various applications that demand high strength and resistance to harsh environments. They’re commonly used in offshore oil and gas platforms, subsea installations, chemical processing units, desalination plants, and heat exchangers. These bolts secure pumps, valves, pressure vessels, pipelines, and heavy-duty structural assemblies that are exposed to seawater, acidic chemicals, and significant mechanical loads. Their remarkable durability, corrosion resistance, and ability to maintain strength under extreme conditions make them an essential choice for demanding applications.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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