Okoye Nickel Alloys is a reputable manufacturer and supplier of Inconel 690 Sheets and Plates based in Kinshasa, Congo. They’re known for delivering top-notch materials that boast remarkable corrosion resistance, impressive strength at high temperatures, and outstanding durability. Each sheet and plate is meticulously crafted from high-grade Inconel 690 alloy, ensuring they perform reliably even in the toughest chemical, marine, power generation, and industrial settings. Okoye Nickel Alloys provides a variety of Inconel 690 Sheets and Plates in different thicknesses, widths, and lengths, all produced to meet international quality standards. Their clientele spans across industries like nuclear power, chemical processing, oil & gas, marine engineering, and aerospace.
| Standards : | ASTM B168 / ASME SB168 |
| Dimensions : | ASTM, ASME, and API |
| Sheets Thickness : | Range from .008″ to .0125″ |
| Shims Thickness : | Range from .01″ to .0125″ |
| Plates Thickness : | Ranges from .0125″ to 5.00″ |
| Sheets/Plates Width : | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Sheets/Plates Length : | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Tempers : | Annealed, 1/4, 1/2 Hard, 3/4 Hard, Full Hard |
| Hardness : | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Value Added Service : | Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Inconel 690 | 0.05 max | 0.5 max | 0.5 max | 0.015 max | 0.5 max | 7 – 11 | Remainder | 27 – 31 |
| Element | Tensile Rm | Tensile Rm | R.p. 0.2% Yield | R.p. 0.2% Yield | Elongation (2” or 4D gl) |
| Inconel 690 | 86 ksi (min) | 590 MPa (min) | 35 ksi (min) | 240 MPa (min) | ≥30 % (min) |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Inconel 690 Sheets and Plates 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.
Inconel 690 Sheets and Plates are widely utilized in applications that demand materials resistant to corrosion, heat, and wear. They’re perfect for components in nuclear and power plants, heat exchangers, chemical processing equipment, marine and offshore systems, and aerospace applications. Additionally, these sheets and plates can be shaped into tubes, flanges, and other essential components that face high temperatures and corrosive environments. Thanks to their superior mechanical properties, long service life, and resilience in extreme conditions, Inconel 690 Sheets and Plates provide dependable, maintenance-free performance in critical industrial and marine applications.
