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Al Vishwas Nickel Alloys is a reliable manufacturer and supplier of premium Super Duplex Steel Bolts in Dubai, UAE. Recognized for delivering fastening solutions that unite outstanding strength, durability, and corrosion resistance, the company caters to a range of challenging industrial sectors. Their Super Duplex Steel Bolts are precision-crafted with advanced technology to guarantee reliable performance in tough, high-pressure conditions. Backed by a firm dedication to quality, on-time delivery, and customer satisfaction, Al Vishwas Nickel Alloys has gained the confidence of clients across industries including offshore, chemical processing, marine, and oil and gas, supplying dependable and long-lasting fastening solutions.
Super Duplex Steel Bolts are crafted from a precisely proportioned alloy of chromium, nickel, molybdenum, and nitrogen, delivering outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. Their two-phase austenitic-ferritic composition boosts mechanical strength, toughness, and thermal stability. These bolts deliver high tensile strength, robust impact resistance, and dependable hardness, enabling them to function reliably in harsh environments. Their mechanical characteristics make them well-suited for uses subjected to seawater, chemicals, and high-pressure conditions, guaranteeing lasting durability and trustworthy fastening performance in tough industrial 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″ |
| Grade | C | Cr | Mn | Mo | N | Ni | P | S | Si | Cu |
| Super Duplex Steel Bolts | 0.04 max | 24.0-27.0 | 1.5 max | 0.1-0.25 | 4.5-6.5 | 6.0-8.0 | 0.040 max | 0.030 max | 1.0 max | 1.5 |
| 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 |
At Al Vishwas Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Bolts in Dubai, UAE, delivering advanced solutions for every piping requirement you may 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 high-quality materials on hand and ready for immediate supply. We are committed to providing outstanding products and services, guaranteeing dependability and excellence for customers across the globe.
Reach out to us for a fast quote tailored to your requirement.
Super Duplex Steel Bolts are extensively utilized across industries that demand durable, corrosion-resistant, and long-lasting fasteners. They are frequently deployed in offshore platforms, subsea pipelines, chemical and petrochemical plants, and desalination units thanks to their outstanding performance in chloride-rich and corrosive settings. These bolts also serve in pressure vessels, heat exchangers, marine structures, and high-pressure piping systems. Their toughness and strength make them well-suited for oil and gas projects, refinery operations, power generation, and heavy-duty industrial applications. In summary, they deliver safe, dependable, and long-term fastening solutions for critical engineering and operational requirements.