Home > Super Duplex Steel > Super Duplex Steel Nuts S32760
Sayam Nickel Alloys is a reputable manufacturer and supplier of Super Duplex Steel Nuts, proudly based in Hyderabad, India. The company is dedicated to providing top-notch fastening solutions that are engineered for strength, durability, and exceptional corrosion resistance. With state-of-the-art manufacturing facilities, a team of skilled professionals, and rigorous quality control measures, Sayam Nickel Alloys guarantees products that meet international standards. Their Super Duplex Steel Nuts are crafted to perform reliably even in harsh, high-pressure environments, making them the go-to choice for critical applications in industries like oil and gas, marine, chemical processing, and power generation around the globe.
Super Duplex Steel Nuts S32760 offer exceptional advantages, including high tensile strength and superior resistance to corrosion, pitting, and crevice corrosion. Their advanced dual-phase microstructure enhances mechanical properties, making them ideal for demanding environments. These nuts provide excellent resistance to stress corrosion cracking and are well-suited for use in offshore, chemical processing, and marine applications. Their durability and reliability ensure long-lasting performance and effective fastening in harsh conditions, ensuring dependable operation in critical applications.
| Standard | : | ASTM A193 / A479, ASME SA193 / A479 |
| Dimension | : | ASTM,DIN, BS,GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Nut Size | : | M02 to M33 | Custom Sizes |
| Heat Treatment | : | Annealing, Stress Relieving, Case Hardening, Quenching and Tempering. |
| Type | : | Hex Nut, Heavy Hex Nut, Lock Nut, Nylock Nut, Weld Nut, Dome Nut, Flange Nut, Square Nut, Eye Nut etc. |
| C | Cr | Ni | Mo | N | Others |
|---|---|---|---|---|---|
| 0.020 | 25 | 7 | 4.0 | .27 | S=0.001 |
| Ultimate Tensile Strength, ksi | 116 min. |
|---|---|
| 0.2% Offset Yield Strength 0.2%, ksi | 80 min. |
| 0.1% Offset Yield Strength 0.2%, ksi | 91 min. |
| Elongation in 2 inches, % | 15 min. |
| Hardness Rockwell C | 32 max. |
| Impact Energy, ft.-lbs. | 74 min. |
Super Duplex Steel Nuts boast a well-balanced microstructure of austenite and ferrite. They are rich in chromium (24–26%), nickel (6–8%), molybdenum (3–4%), and nitrogen, which together provide outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, these nuts deliver impressive tensile and yield strength, solid hardness, and remarkable impact toughness. Their exceptional fatigue resistance and load-bearing capacity ensure reliable fastening performance, even under extreme pressure and temperature conditions.
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Super Duplex Steel Nuts find their place in various industries that require secure fastening in corrosive and high-stress settings. Common applications include oil and gas installations, offshore platforms, subsea equipment, and refineries. They are also widely utilized in chemical processing plants, desalination units, heat exchangers, and marine engineering. Industries such as power generation, shipbuilding, and pulp and paper rely on these nuts for creating high-strength, corrosion-resistant joints. Their durability and reliability make them ideal for long-term use in challenging operating conditions.
