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Fajar Nickel Alloys stands out as a leading manufacturer and supplier of Super Duplex Steel Bars, proudly based in Jakarta, Indonesia. We focus on crafting high-strength, corrosion-resistant bars that meet the needs of industries looking for durable and reliable materials for their demanding applications. Our Super Duplex steel bars are produced to comply with international quality standards, guaranteeing exceptional mechanical properties and outstanding resistance to tough environments. Thanks to our advanced production methods and rigorous quality control, Fajar Nickel Alloys delivers precision-engineered bars that serve clients in offshore, chemical processing, marine, and petrochemical sectors both in Indonesia and around the globe.
Our Super Duplex Steel Bars are crafted from alloys like S32750 and S32760, which include approximately 25% chromium, 7% nickel, 3–4% molybdenum, and nitrogen. This unique dual-phase (austenitic-ferritic) microstructure provides remarkable tensile strength (up to 800 MPa), high yield strength (around 550 MPa), and excellent resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking. These bars retain their toughness and durability even in extreme temperatures and corrosive conditions, making them perfect for critical applications.
| Standards : | ASTM B392, ASME SB392 |
| Dimensions : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Wire : | Thickness starting from 0.05mm |
| Round bar size : | Diameter: 3-~800mm |
| Hex Bar size : | 2-100mm A/F |
| Flat bar size : | Thickness: 2 -100mm / Width: 10 to 500mm |
| Square bar size : | 4 to 100mm |
| Rectangular Bars Size : | 33 x 30mm to 295 x 1066mm |
| Hollow Bar : | 32mm OD x 16mm ID to 250mm OD x 200mm ID |
| Tolerance : | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Finish : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Element | Niobium R04200 | Niobium R04210 | Nb-1%Zirconium R04251 | Nb-1%Zirconium R04261 |
| C | 0.01 | 0.01 | 0.01 | 0.01 |
| N | 0.01 | 0.01 | 0.01 | 0.01 |
| O | 0.015 | 0.025 | 0.015 | 0.025 |
| H | 0.0015 | 0.0015 | 0.0015 | 0.0015 |
| Zr | 0.02 | 0.02 | 0.8 to 1.2 | 0.8 to 1.2 |
| Ta | 0.1 | 0.3 | 0.1 | 0.5 |
| Fe | 0.005 | 0.01 | 0.005 | 0.01 |
| S | 0.005 | 0.005 | 0.005 | 0.005 |
| W | 0.03 | 0.05 | 0.03 | 0.05 |
| Ni | 0.005 | 0.005 | 0.005 | 0.005 |
| Mo | 0.010 | 0.020 | 0.010 | 0.050 |
| Hf | 0.02 | 0.02 | 0.02 | 0.02 |
| Ti | 0.02 | 0.03 | 0.02 | 0.03 |
| B | 2ppm | – | 2ppm | – |
| Al | 0.002 | 0.005 | 0.002 | 0.005 |
| Be | 0.005 | – | 0.005 | – |
| Cr | 0.002 | – | 0.002 | – |
| C | 0.002 | – | 0.002 |
| Grade | Ultimate Tensile Strength, Min, Psi(MPa) | Yield Strength, Psi(MPa) | Elongation min %,mm |
| Types 1 and 2 | 18 000 (125) | 10 500 (73) | 20 |
| Types 3 and 4 | 28 000 (195) | 18 000 (125) | 15 |
At Fajar Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Niobium Bar 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.
Super Duplex Steel Bars find their place in various applications that require top-notch strength and corrosion resistance. They’re commonly used in the production of shafts, bolts, studs, pins, and other mechanical components that face high stress and corrosive environments. Industries such as offshore oil and gas, marine engineering, chemical processing, and power generation depend on these bars for structural components, fasteners, and equipment parts. Their impressive mechanical properties and resistance to environmental degradation ensure a long service life and lower maintenance costs, making Super Duplex bars the go-to choice for challenging industrial applications.
