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Hakan Nickel Alloys, based in Istanbul, Turkey, stands out as a top manufacturer and supplier of high-quality Super Duplex Steel Washers. These washers are specifically crafted for industries that demand exceptional corrosion resistance, strength, and reliability. With a focus on precision and adherence to international standards, they offer secure and durable fastening solutions for critical assemblies and piping systems. Hakan Nickel Alloys caters to various sectors, including chemical, petrochemical, oil and gas, marine, and industrial fields. Lightweight yet incredibly strong, these washers ensure even load distribution, prevent leaks, and uphold structural integrity, making them perfect for challenging applications where safety and long-term reliability are paramount.
Super Duplex Steel Washers are made from high-alloy stainless steel, featuring a blend of chromium, nickel, molybdenum, and nitrogen, which grants them remarkable corrosion resistance and mechanical strength. They boast impressive tensile and yield strength, high toughness, and exceptional resistance to pitting and stress corrosion cracking. These washers maintain their structural integrity even under high pressure, elevated temperatures, and harsh chemical environments. With outstanding durability, load-bearing capacity, and dimensional stability, Super Duplex Steel Washers are ideal for critical industrial and engineering applications that require dependable, long-lasting performance in tough conditions.
| 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″ |
| 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 % |
| Material | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| Super Duplex Steel | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
| Super Duplex Steel | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
At Hakan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Washers in Istanbul, Turkey, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Turkey, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
These washers find extensive use in the chemical and petrochemical industries for securing flanges, pipelines, and process equipment that come into contact with corrosive substances. In the oil and gas sector, they are essential for high-pressure pipelines, offshore platforms, and subsea systems. Marine applications include shipbuilding, seawater piping, and desalination plants, where corrosion resistance and reliability are crucial. Additionally, these washers are utilized in power generation, ensuring that operations run smoothly and safely.
