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From the heart of Kinshasa, Okoye Nickel Alloys stands as a trusted partner for industry, providing robust materials built to withstand demanding environments. We take pride in manufacturing and supplying premium Duplex Steel 2205 bolts, a testament to our commitment to quality and durability. These fasteners are engineered specifically to offer superior performance where ordinary materials might fail, making them a reliable foundation for critical projects across the region and beyond, backed by our local expertise and global standards.
The exceptional strength of Duplex Steel 2205 stems from its balanced composition, primarily chromium, nickel, molybdenum, and nitrogen. This unique blend gives these bolts an excellent combination of high tensile and yield strength, significantly greater than standard stainless steels. They also possess outstanding toughness and impressive resistance to stress corrosion cracking, meaning they can handle heavy loads and punishing conditions without compromising their integrity, offering a remarkable balance of power and resilience.
| Specifications | ASTM A479 & ASME SA479 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 to 200 MM |
| Duplex Steel Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Duplex Steel 2205 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
| 2205 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
| 2205 | 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 |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel 2205 Bolts in Kinshasa, Congo, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Congo, 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.
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These properties make Duplex 2205 bolts indispensable in sectors where failure is not an option. They are widely used in the construction of chemical processing plants, offshore oil and gas platforms, and pollution control equipment, where they face corrosive chemicals and saline environments. You’ll also find them securing critical components in seawater desalination units, pulp and paper manufacturing, and cargo tanks on ships, proving their worth wherever high strength and exceptional corrosion resistance are paramount for safety and longevity.