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Okoye Nickel Alloys is a reputable manufacturer and supplier located in Kinshasa, Congo, specializing in top-notch **Super Duplex Steel S32750 Forged Fittings**. These fittings are celebrated for their remarkable strength, outstanding corrosion resistance, and durability, making them perfect for tough and demanding environments. At Okoye Nickel Alloys, every product is crafted with precision engineering, rigorous quality control, and a commitment to international standards. The company prides itself on delivering reliable and cost-effective piping solutions that cater to various industries, including oil and gas, petrochemical, power generation, and marine applications throughout the region.
The Super Duplex Steel S32750 Forged Fittings are primarily made up of chromium (25%), nickel (7%), molybdenum (4%), along with nitrogen, manganese, and iron. This unique dual-phase microstructure of austenite and ferrite grants them impressive mechanical strength, excellent corrosion resistance, and exceptional toughness. With a tensile strength of about 800 MPa and a yield strength of roughly 550 MPa, these fittings also boast remarkable resistance to stress corrosion cracking and pitting, even in environments rich in chlorides.
| Specifications | ASTM A182 & ASME SA182 |
| Size | 1/8” NB to 4” NB (Socketweld & Screwed-Threaded) |
| Standards | ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| Class | 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS |
| Type | Socketweld Fittings |
| Grades | S32750 / S32760/ S32950 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
| Grades | Density (g/cm 3) | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| S32750 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15% |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Cu |
| S32750 | 0.030max | 1.20 max | 0.80 max | 0.035max | 0.020 max | 24.0-26.0 | 3.0-5.0 | 6.0-8.0 | 0.24/0.32 | 0.50 |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel S32750 Forged Fittings 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.
These Super Duplex Steel S32750 Forged Fittings find extensive use in **offshore and onshore oil and gas industries**, **chemical processing**, **desalination plants**, **marine engineering**, and **pulp and paper industries**. Their high resistance to crevice and pitting corrosion makes them ideal for managing aggressive chemicals and saltwater environments. Additionally, they are utilized in **heat exchangers**, **pressure vessels**, **valves**, and **piping systems** where both high mechanical strength and corrosion resistance are essential. These fittings guarantee safe, long-lasting, and efficient performance, even under extreme operational conditions.