Starc Metals stands out as a top-notch manufacturer and supplier of Super Duplex Steel S32750 Forgings, proudly based in Canberra, Australia. Known for our commitment to quality, precision, and reliability, we provide high-performance stainless steel forgings that not only meet international standards but also align perfectly with our clients’ specifications. Our Super Duplex Steel S32750 Forgings are highly valued for their remarkable strength, outstanding corrosion resistance, and durability, even in the toughest industrial settings. By leveraging cutting-edge forging technology and strict quality control measures, Starc Metals caters to essential sectors like oil and gas, chemical processing, marine, and power generation, delivering robust and long-lasting solutions that guarantee efficiency, safety, and reliability in demanding applications.
The composition of Super Duplex Steel S32750 Forgings includes about 25% chromium, 7% nickel, 4% molybdenum, and nitrogen, which together create a duplex microstructure of ferrite and austenite. This unique blend offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in harsh, chloride-rich environments. With mechanical properties that feature a tensile strength ranging from 800 to 950 MPa, a yield strength of around 550 MPa, and a density of 7.8 g/cm³, these forgings also boast high toughness, good weldability, and thermal stability, making them perfect for critical applications that require both strength and corrosion resistance.
| Standard | ASTM A182, ASME SA182 |
| Specification | DIN, ASTM, BS and all International Standards |
| Flat bar blocks | up to 27″ width and 15,000 lbs. |
| Cylinders and sleeves | up to 50″ maximum O.D. and 65″ maximum length |
| Discs and hubs | up to 50″ diameter and 20,000 lbs. |
| Rolled, hand forged or mandrel forged rings | up to 84″ maximum O.D. and 40″ maximum length |
| Rounds, shafts and step shafts | up to 144″ maximum length and 20,000 lbs. |
| Forging Types | Impression Die Forging, Open Die Forging, Seamless Rolled Forging, Hot Forging, Cold Forging, Open die hammer forging, Impression die drop forging, Closed Die Forging, Press Forging, Upset Forging, Compression Forging, Swaging, Rotary Forging, Roll forging. |
| 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 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex S32750 | 1.4410 | S32750 |
Yes, S32750 super duplex steel forgings are ideal for offshore and marine applications due to their excellent corrosion resistance, high strength, and resistance to pitting, crevice corrosion, and stress corrosion cracking.
Super Duplex Steel S32750 forgings are compatible with welding processes like GTAW (TIG), SMAW (Stick), GMAW (MIG), and SAW, using matching filler metals to ensure corrosion resistance and strength.
Limitations of S32750 forgings include susceptibility to hydrogen embrittlement, limited high-temperature performance, potential for welding-induced phase imbalance, and careful heat treatment requirements to maintain corrosion resistance and mechanical properties.
Super Duplex Steel S32750 Forgings find extensive use in industries that demand exceptional strength and corrosion resistance. In the oil and gas sector, they are perfect for valves, pumps, flanges, and pressure vessels. The chemical and petrochemical industries rely on them for reactors, heat exchangers, and storage tanks that come into contact with aggressive chemicals. In marine applications, they are utilized in offshore structures, desalination plants, and seawater handling systems due to their superior corrosion resistance. Furthermore, these forgings are also employed in power generation, pulp and paper production, and heavy industrial machinery. At Starc Metals, we ensure that our S32750 forgings are precision-engineered to meet the highest standards.
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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