Adinox Overseas is a renowned manufacturer and global supplier of high-quality Super Duplex S32760 Fasteners, engineered for demanding applications in critical industries. Manufactured in compliance with ASTM A479 and standardized under the UNS S32760 designation, these fasteners offer outstanding mechanical properties, superior corrosion resistance, and excellent durability in harsh environments. The composition of Super Duplex S32760 includes a balanced mix of chromium, molybdenum, and nitrogen, which significantly enhances its resistance to pitting, crevice corrosion, and stress corrosion cracking, making it a top choice for chloride-rich and aggressive environments.
The Super Duplex S32760 Fasteners are especially suitable for marine engineering, offshore oil drilling platforms, desalination plants, petrochemical industries, and heat exchangers due to their exceptional strength and reliability under high pressure and temperature. These fasteners exhibit a two-phase microstructure with both austenite and ferrite phases, offering higher tensile and yield strength compared to conventional stainless steel grades. Fasteners produced from UNS S32760 not only maintain structural integrity under mechanical stress but also extend the lifespan of joints and assemblies, reducing maintenance and replacement costs over time.
Adinox Overseas ensures that each piece of Super Duplex S32760 Fasteners undergoes rigorous quality control checks, including dimensional accuracy, surface finish, and compliance with international standards. Whether it's hex bolts, nuts, washers, threaded rods, or custom-designed fastening components, we offer complete traceability and certification along with competitive pricing and timely delivery. Our commitment to excellence makes us a trusted name in the global market for duplex stainless steel products.
In highly corrosive applications, our Super Duplex Fasteners provide a robust solution where standard stainless steel fails to perform. They are especially recommended for underwater pipelines, pressure vessels, pulp and paper processing plants, and chemical transportation systems where both strength and corrosion resistance are non-negotiable requirements. The ASTM A479 S32760 Fasteners are known for their outstanding weldability and workability, further enhancing their adaptability in fabrication and installation.
| Specifications | ASTM A479 / ASME SA479 |
|---|---|
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| Length | 3 mm to 200 mm |
| Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
| Surface Coating | Ptfe Coating Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| S32760 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 - 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
|---|---|---|---|---|
| S32760 | 7.8 | 0.281 | 1350 | 2460 |
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