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Mira Fasteners stands out as a trusted manufacturer and supplier of **Super Duplex Steel Stud Bolts** right in the heart of Kuala Lumpur, Malaysia. They provide robust fastening solutions that are built to withstand the toughest and most corrosive environments. Renowned for their impressive mechanical properties and outstanding resistance to corrosion, these stud bolts are perfect for use in offshore oil and gas operations, petrochemical processing, marine engineering, and desalination plants. Mira Fasteners produces Super Duplex Stud Bolts in a variety of sizes and thread configurations, ensuring that every product adheres to global industry standards for durability, safety, and performance.
Typically crafted from grades like UNS S32750 and S32760, Super Duplex Steel Stud Bolts boast a well-balanced chemical composition of around 24–26% chromium, 6–8% nickel, 3–5% molybdenum, and nitrogen. This unique blend gives them a robust austenitic-ferritic microstructure, which translates to excellent resistance against pitting, crevice corrosion, and chloride-induced stress corrosion cracking. With yield strength surpassing 550 MPa and tensile strength reaching up to 800 MPa, these stud bolts maintain their structural integrity even in high-pressure and high-temperature 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 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 are essential in critical fastening applications across demanding industries. In offshore platforms and subsea installations, they play a vital role in securing flange joints and structural connections that are constantly exposed to seawater and harsh chemicals. In chemical and petrochemical facilities, they hold together equipment and piping systems that deal with corrosive substances under high pressure. Their versatility extends to heat exchangers, pressure vessels, pumps, desalination systems, and marine hardware. Thanks to their long service life, impressive load-bearing capacity, and resistance to corrosion and fatigue, they are the go-to choice for even the most challenging service conditions.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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