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Aria Fasteners, located in Hamilton, New Zealand, is a well-respected manufacturer and supplier of top-notch Super Duplex Steel Stud Bolts, designed for tough industrial and marine applications. With a reputation for precision engineering and strict adherence to global standards, they cater to industries like oil and gas, petrochemical, chemical processing, and offshore operations. Their stud bolts are known for outstanding corrosion resistance, impressive tensile strength, and long-lasting durability, even in the harshest environments. Thanks to their dedication to customer satisfaction, technical know-how, and prompt delivery, Aria Fasteners has become a go-to source for premium Super Duplex fastening solutions around the globe. *(≈100 words)*
Super Duplex Steel Stud Bolts are crafted from cutting-edge duplex stainless steel alloys, such as S32750 or S32760, which include 24–26% chromium, 6–8% nickel, 3–5% molybdenum, and a touch of nitrogen to boost strength and corrosion resistance. This unique alloy mix offers remarkable protection against pitting, crevice corrosion, and stress corrosion cracking, particularly in environments rich in chlorides and seawater. On the mechanical side, these stud bolts deliver high tensile and yield strength, enhanced hardness, and exceptional durability under heavy loads and high-pressure situations. Their blend of mechanical strength and corrosion resistance makes them perfect for demanding industrial settings. *(≈90 words)*
| 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 stud bolts are used in a variety of demanding industries and applications. In chemical processing, they are able to deal with cases of contact with aggressive chemicals and high pressures. In marine applications, they are immune to the effects of sea water, thus they are very reliable. In the oil and gas industry, they offer secure fastening where stress is high. Also, Super Duplex Steel stud bolts are applied in power generation and construction industries due to their superior performance in harsh conditions.
Super Duplex Steel Stud Bolts find their place in critical applications where strength, corrosion resistance, and long-lasting reliability are a must. They’re often used in flanged joints, pressure vessels, heat exchangers, pumps, valves, and structural connections across offshore platforms, petrochemical plants, chemical processing units, and oil and gas facilities. Their ability to resist pitting, oxidation, and stress corrosion cracking ensures they perform reliably in the toughest conditions, making them an essential choice for industries that can’t afford to compromise on quality. *(≈90 words)*
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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