Home > Super Duplex Steel > Super Duplex Steel Flanges S32750
Okoye Nickel Alloys, located in Kinshasa, Congo, stands out as a top manufacturer and supplier of **Super Duplex Steel S32750 Flanges**. These flanges are celebrated for their remarkable strength, resistance to corrosion, and long-lasting durability. The company is committed to crafting high-quality flanges that adhere to global standards, catering to industries that need dependable and enduring connections. With state-of-the-art manufacturing facilities and rigorous quality control measures, Okoye Nickel Alloys guarantees that each product performs exceptionally well, even in tough environments. Their Super Duplex Steel S32750 Flanges are perfect for applications that require outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, whether in chemical or marine settings.
These flanges are made up of **25% chromium, 7% nickel, 4% molybdenum, and nitrogen**, which creates a well-balanced duplex microstructure of austenite and ferrite. This unique alloy boasts incredible strength—almost double that of regular austenitic stainless steels—along with superb resistance to corrosion caused by chlorides. The mechanical properties are impressive, featuring a **tensile strength of about 795 MPa**, **yield strength of 550 MPa**, and **an elongation of roughly 25%**, making them highly resilient in high-pressure and high-temperature situations.
| Specifications | ASTM A182 / ASME SA182 |
| Size | 1/8″ NB TO 48″ NB |
| Standards | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
| Grade | Duplex Steel Flanges |
|---|---|
| C | 0.030 max |
| Mn | 2.00 max |
| Si | 1.00 max |
| P | 0.030 max |
| S | 0.020 max |
| Cr | 22.0 – 23.0 |
| Mo | 3.0 – 3.5 |
| Ni | 4.50 – 6.50 |
| N | 0.14 – 0.20 |
| Fe | 63.72 min |
| Duplex Steel | Flanges |
|---|---|
| Density (g/cm 3) | 7.805 |
| Density (lb/in 3) | 0.285 |
| Melting Point (°C) | 1420 – 1465 |
| Melting Point (°F) | 2588 – 2669 |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel S32750 Flanges 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.
Super Duplex Steel S32750 Flanges find extensive use in **offshore oil and gas industries**, **chemical processing plants**, **desalination systems**, and **marine engineering**. Their outstanding resistance to seawater corrosion and harsh chemical environments makes them ideal for applications like pipelines, heat exchangers, and pressure vessels. Additionally, these flanges are utilized in **pulp and paper mills**, **power generation**, and **pollution control equipment**, where both strength and corrosion resistance are essential. Their durability, ease of welding, and reliable performance under extreme conditions make them a go-to choice for demanding industrial applications around the globe.