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From the heart of Kinshasa, Okoye Nickel Alloys stands as a trusted partner in the world of industrial materials, bringing strength and reliability to the forefront. We take pride in manufacturing and supplying high-performance Duplex Steel Slitting Coils, engineered to meet the rigorous demands of modern industry. Our commitment is to provide clients across Congo and beyond with superior products that offer the perfect balance of durability and cost-efficiency, supporting the growth and resilience of the projects that depend on them.
The exceptional quality of our Duplex Steel stems from a balanced composition of chromium, nickel, molybdenum, and nitrogen. This unique blend gives the material its renowned combination of high strength and excellent resistance to corrosion, particularly against stress corrosion cracking. It effectively bridges the gap between standard austenitic and ferritic steels, offering roughly double the yield strength while maintaining outstanding toughness, making it a robust and versatile choice for challenging environments.
| Standards | ASTM A240 / ASME SA240 |
| Thickness | 0.2mm – 5.0mm |
| Width | 3.2mm – 1500mm & bove |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, AS PER CUSTOMER’S REQUIREMENT |
| Hardness | Annealed – pickled (soft), Soft, Hard, Half Hard, Quarter Hard, Spring Hard , 1/4 hard, Yi hard,3/4 hard , full hard , extra hard |
| Test Certificate | Chemical test, Fitting test, Alloy test, Radiography test, Macro and micro-test, Hydrostatic test, Impact test. |
| Finish | Cold rolled stainless steel strips annealed & pickled 2 B Cold rolled stainless steel strips annealed & skin passed 2R Work harden for specific hardness BA/BE/ Matt Finish Cold rolled stainless steel strips |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Slitting Coil 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.
Contact us to get a quick quote for your requirement.
You’ll find our Duplex Steel Slitting Coils hard at work in some of the most demanding sectors. They are essential in the construction of chemical processing plants, offshore oil and gas platforms, and desalination units where resisting corrosive salts is critical. The material is also ideal for structural components in coastal architecture, components for pollution control equipment, and in the pulp and paper industry. Its strength and corrosion resistance make it a go-to for applications where failure is not an option.
