Starc Metals, a reputable manufacturer and supplier located in Canberra, Australia, focuses on delivering top-notch Super Duplex Steel Bars and Rods, designed to meet the rigorous demands of various industrial applications. Renowned for their remarkable strength, outstanding corrosion resistance, and long-lasting durability, these bars and rods are crafted using cutting-edge manufacturing processes and strict quality control measures. Starc Metals guarantees consistent dimensional accuracy and dependable material performance in every single batch. Catering to sectors like oil and gas, chemical processing, marine, and petrochemical industries, the company offers Super Duplex Steel Bars and Rods in a range of sizes, grades, and finishes, providing components that are engineered to withstand extreme conditions and ensure long-term service.
Super Duplex Steel Bars and Rods are made from a carefully balanced blend of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), and nitrogen, resulting in a duplex microstructure that includes both austenite and ferrite. This unique composition offers exceptional corrosion resistance, especially against pitting, crevice corrosion, and stress corrosion cracking, all while maintaining impressive mechanical strength. Typical mechanical properties feature a tensile strength of 750–900 MPa, yield strength of 550–700 MPa, and elongation of 25–30%. These bars and rods are a perfect combination of high strength, toughness, and weldability, making them well-suited for demanding industrial applications.
Specifications : ASTM A276, ASME SA276
Standard : ASTM, ASME
Size : 6 mm to 120 mm.
Length : 1 to 6 Meters, Custom Cut Lengths
Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| S32760 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24.00 – 26.00 | 3.00 – 4.00 | 6.00 – 8.00 | 0.20 – 0.30 | 57.61 min |
| Element | S32760 |
| 0.2% Proof Stress (N/mm2 ) [ksi] minimum | 550 [79.8] |
| Ultimate Tensile Strength (N/mm2) [ksi] minimum | 750 [108.8] |
| Elongation (%) minimum | 25 |
| Reduction of Cross Section Area (%) minimum | 45 |
| Hardness (HBN) | 270max |
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex S32750/S32760 | 1.4410 | S32750 / S32760 |
Super Duplex Steel rods are generally resistant to galvanic corrosion due to their high chromium and molybdenum content. However, they can still be susceptible when coupled with highly dissimilar metals in certain environments.
Yes, Super Duplex Steel bars can be welded using appropriate techniques and filler materials. Careful control of heat input and post-weld heat treatment is essential to avoid degradation of their mechanical properties.
Super Duplex Steel rods are available in various sizes, ranging from small diameters to large rods, typically up to 300mm or more. Finishes can include hot-rolled, cold-drawn, polished, or ground, depending on the application requirements.
Super Duplex Steel Bars and Rods find extensive use in industries that require components that are not only corrosion-resistant but also high-strength and durable. In the oil and gas sector, they are utilized for shafts, valves, flanges, and fasteners that are exposed to seawater and harsh chemicals. Chemical processing facilities use them in heat exchangers, reactors, and piping systems. The marine industry relies on Super Duplex Steel Bars and Rods for offshore platforms, desalination equipment, and seawater applications. Furthermore, they are also employed in petrochemical plants, pulp and paper industries, and power generation systems, ensuring reliable performance across various applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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