Home > Duplex Steel > Duplex Steel Pipe
Fajar Metals, a trusted manufacturer and supplier based in Jakarta, Indonesia, specializes in high-quality Super Duplex Steel Pipes designed for outstanding performance in tough, corrosive, and high-pressure settings. Renowned for their remarkable mechanical strength, excellent resistance to corrosion, and long-lasting durability, these pipes are perfect for industries like offshore, marine, oil and gas, and chemical processing. Super Duplex Steel merges the advantages of both austenitic and ferritic stainless steels, offering enhanced strength and protection against pitting, crevice corrosion, and stress corrosion cracking. Fajar Metals provides both seamless and welded pipe options in various diameters and wall thicknesses to comply with global standards.
| Specifications | Cr | Ni | Mo | N | Mn | W | Cu |
| 2101 LDX | 21.5 | 1.5 | 0.3 | 0.22 | 5 | – | – |
| DX2202 | 23 | 2.5 | 0.3 | 0.2 | 1.5 | – | – |
| RDN 903 | 20 | 1.8 | 0.2 | 0.11 | 4.2 | – | – |
| 2304 | 23 | 4.8 | 0.3 | 0.10 | – | – | – |
| 2205 | 22 | 5.7 | 3.1 | 0.17 | – | – | – |
| Grade | C≤ | Mn≤ | P≤ | S≤ | Si≤ | Ni | Cr | Mo | N | Cu |
| S31803 | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 4.5–6.5 | 21.0–23.0 | 2.5–3.5 | 0.08–0.20 | – |
| S32205 | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 4.5–6.5 | 22.0–23.0 | 3.0–3.5 | 0.14–0.20 | – |
| S32750 | 0.03 | 1.20 | 0.035 | 0.02 | 0.80 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 | 0.24-0.32 | 0.5 |
| Mechanical properties | Tensile,min,ksi[MPa] | Yield,min,ksi[MPa] | Elongation,%(min) | Hardness,HB(max) |
| S31803 | 90 [620] | 65 [450] | 25 | 290 |
| S32205 | 95 [655] | 65 [450] | 25 | 290 |
| S32750 | 116 [800] | 80 [550] | 15 | 300 |
At Fajar Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Pipe in Jakarta, Indonesia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Indonesia, 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.
Duplex steel pipes are widely used in industries requiring high strength and corrosion resistance, such as oil and gas, petrochemical, and chemical processing. They are ideal for offshore platforms, pipelines, heat exchangers, and pressure vessels due to their ability to withstand harsh environments, including seawater and aggressive chemicals. These pipes are also employed in desalination plants, power generation, and wastewater treatment facilities, where durability and resistance to stress corrosion cracking are crucial for long-term performance.
