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Okoye Nickel Alloys is a well-respected manufacturer and supplier of Nitronic Sheets and Plates based in Kinshasa, Congo. They pride themselves on delivering top-notch stainless steel solutions to a variety of industrial sectors. Known for their dedication to quality, the company provides Nitronic grades that boast impressive strength, remarkable corrosion resistance, and exceptional performance even in tough conditions. With state-of-the-art manufacturing facilities and rigorous quality control measures, Okoye Nickel Alloys guarantees that every sheet and plate meets international standards and customer expectations. They serve a range of industries, including petrochemical, marine, construction, and power generation, consistently offering reliable, durable, and high-performance Nitronic products throughout Congo.
Nitronic sheets and plates are primarily composed of stainless steel alloys, usually high in chromium, nickel and manganese to enhance their corrosion resistance, strength and wear resistance These materials have a strength a high tensile strength, good fatigue, shock resistance and excellent resistance to oxidation and corrosion Nitronic alloys exhibit mechanical properties especially practical in applications requiring severe resistance to wear, abrasion and pitting, and making them excellent in the marine, chemical, aerospace industries They provide long-term care for long-term performance in harsh environments.
| Standard : | UNS S21906 | AMS 5656 | MIL-T-9821 | ASTM A276 | ASME SA276 UNS S21800 | Alloy 218 | ASME SA 193 | AMS 5848 | ASTM A 193 EN 1.3964 | ISO 15156-3 | NACE MR0175 | UNS S20910 | AMS 5764 | ASTM A193 | Werkstoff 1.3964 |
| Size : | 20mm x 1200 x 500 |
| Specialize sheets : | Shim, Perforated Sheet, B. Q. Profile. |
| Finish : | Cold rolled sheet (CR), 2D, Hot rolled plate (HR), 2B, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness : | Quarter Hard, Soft, Hard, Half Hard, Spring Hard etc. |
| Grade : | Nitronic 40 / 50 / 60 (UNS-S20910, S21800, S21900) |
| STANDARD | UNS | EN | ISO | NACE | AMS | ASTM | Werkstoff | other |
| Nitronic 40 | S21906 | – | – | – | 5656 | A276 | – | MIL-T-9821 |
| Nitronic 50 | S20910 | 1.3964 | 15156-3 | MR0175 | 5656 | A193 | 1.3964 | MIL-T-9821 |
| Nitronic 60 | S21800 | – | – | – | 5848 | A193 | 1.3964 | Alloy 218 |
| Weight% | C | P | Si | Ni | Fe | Mn | S | Cr | N | Mo | Cu |
| Nitronic 40 (21-6-9) | 0.04 max | 0.060 max | 1.00 max | 5.5-7.5 | Bal | 8-10 | 0.030 max | 19-21.5 | 0.15-0.40 | 0.75 max | 0.75 max |
| Alloy | Cross Section Size | Test Direction | Yield Strength 0.2% | Ultimate Tensile Strength | Elongation in 2″(%) | Reduction of Area % | Rockwell B Hardness | ||
| ksi | MPa | ksi | MPa | ||||||
| Nitronic 40 (21-6-9) | 6″ (152mm) sq | Longitudinal | 62 | 428 | 95 | 655 | 46 | 69 | |
| Nitronic 40 (21-6-9) | 6″ (152mm) sq | Transverse | 52 | 358 | 93 | 641 | 30 | 45 | |
| Nitronic 40 (21-6-9) | 4″ (102mm) sq | Longitudinal | 56 | 386 | 97 | 668 | 53 | 73 | |
| Nitronic 40 (21-6-9) | 1″ (25.4mm)sq | Longitudinal | 52 | 358 | 101 | 696 | 53 | 73 | 90 |
Nitronic Sheets and Plates typically feature high amounts of chromium, manganese, and nitrogen, which enhance their strength and stability. The alloy often incorporates elements like nickel, molybdenum, and silicon to boost corrosion resistance and toughness. These plates are known for their excellent mechanical properties, such as high yield and tensile strength, superior wear resistance, and outstanding performance in both high and low temperatures. Nitronic materials retain their non-magnetic properties even after cold working and exhibit excellent fatigue resistance. Their sturdy structure and enhanced durability make them perfect for use in harsh and corrosive environments.
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The Nitronic Sheets and Plates produced by Okoye Nickel Alloys find extensive use in industries that require materials with high strength and corrosion resistance. They are commonly used in marine hardware, chemical processing equipment, food processing machinery, and pollution control systems due to their resilience in corrosive settings. Additionally, these sheets and plates are utilized in aerospace, oil and gas components, architectural structures, and power plant systems where reliability is crucial.
