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Puri Fasteners, a top-notch manufacturer and supplier located in Chennai, specializes in high-quality Super Duplex Steel Nuts S32760. These nuts are crafted for high-strength, corrosion-resistant fastening in tough industrial settings. Renowned for their outstanding durability, mechanical stability, and resistance to pitting and stress corrosion, they’re built to endure extreme conditions, especially in high-pressure and chloride-rich environments. Puri Fasteners is committed to precision manufacturing and rigorous quality control, ensuring that their products are both reliable and long-lasting. These S32760 nuts are widely utilized in sectors like oil & gas, marine, chemical, and power generation, providing secure, high-performance fastening solutions that are crucial for critical infrastructure and industrial machinery.
Super Duplex Steel Nuts S32760 are made from a robust alloy rich in chromium, molybdenum, and nitrogen, featuring a balanced austenitic-ferritic structure. Typically, they contain 25–26% chromium, 6–7% nickel, 3% molybdenum, and nitrogen. This composition gives them excellent mechanical properties, including high tensile and yield strength, superior fatigue resistance, and remarkable protection against pitting, crevice corrosion, and chloride stress corrosion cracking. Their dual-phase microstructure ensures toughness, stability at high temperatures, and dependable long-term performance in aggressive chemical, marine, and high-pressure industrial environments.
| 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 S32760 Nuts |
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.
These Super Duplex Steel Nuts S32760 are extensively used in offshore platforms, subsea installations, and marine engineering projects where exposure to seawater and chloride-rich conditions is a major concern. In the oil and gas sector, they play a vital role in securing pipelines, pumps, valves, heat exchangers, and pressure vessels. Chemical and petrochemical plants rely on these nuts for reactors, storage tanks, and equipment that come into contact with harsh media. They’re also essential in desalination units, power generation facilities, and heavy industrial machinery, providing reliable, long-lasting, and safe fastening solutions even in the most extreme operational conditions.
At Puri Fasteners, our Super Duplex Steel Nuts S32760 are meticulously packaged to ensure safe delivery and maintain product integrity. Each nut is carefully inspected and packed in sturdy, corrosion-resistant packaging. Our packaging includes detailed labeling and protective measures to prevent damage during transit. Whether you’re ordering small or large quantities, we ensure that every package meets high-quality standards and arrives in optimal condition, reflecting our commitment to excellence in the fastener industry.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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