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Al Vishwas Nickel Alloys is a trustworthy manufacturer and supplier based in Dubai, UAE, providing high-quality Super Duplex Steel Nuts built for challenging industrial settings. Recognized for their outstanding strength and corrosion resistance, these nuts are made using top-grade raw materials and cutting-edge manufacturing methods. Al Vishwas Nickel Alloys guarantees reliable quality, accuracy, and durability across every product, making them well-suited for critical applications. With a firm commitment to customer satisfaction and compliance with international standards, the company caters to major industries including marine, oil and gas, petrochemical, desalination, and construction, building a reputation for dependable and long-lasting fastening solutions.
Super Duplex Steel Nuts are produced using a well-balanced mix of chromium, nickel, molybdenum, and nitrogen, which gives them exceptional corrosion resistance and high mechanical strength. Thanks to their duplex microstructure, they achieve superior tensile and yield strength while retaining good toughness and durability. These nuts provide excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride-rich and high-pressure settings. With robust hardness, structural stability, and strong performance across a range of temperatures, Super Duplex Steel Nuts ensure long-term reliability and durability in tough industrial 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. |
At Al Vishwas Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Nuts in Dubai, UAE, delivering advanced solutions for every piping requirement you have. Our modern manufacturing facilities are strategically positioned in the UAE, enabling us to keep an extensive stock of more than 16,000 tons of top-grade materials on hand and ready for immediate supply. We remain committed to providing outstanding products and services, guaranteeing dependability and quality for customers around the world.
Reach out to us for a fast quote tailored to your requirement.
Super Duplex Steel Nuts find extensive application across industries where high strength, long service life, and resistance to corrosion are essential. Their outstanding ability to withstand chloride-induced corrosion makes them well suited for marine engineering, offshore platforms, and seawater systems. Within the oil and gas industry, they serve in pipelines, subsea equipment, heat exchangers, and pressure vessels. Chemical processing facilities depend on these nuts for equipment subjected to aggressive chemicals and extreme temperatures. They are also employed in desalination plants, structural assemblies, and heavy-duty machinery. Thanks to their reliable performance, they are well suited for maintaining safety, stability, and durability in demanding industrial settings.
