Super Duplex Steel S32750 Forgings are celebrated for their remarkable blend of high strength, outstanding corrosion resistance, and impressive durability, especially in tough environments. Crafted with precision, these forgings deliver excellent mechanical stability, toughness, and long-lasting reliability. Their ability to resist pitting, crevice corrosion, and stress corrosion cracking makes them perfect for demanding industrial settings. You’ll find Super Duplex Steel S32750 Forgings commonly used in the chemical, petrochemical, oil and gas, and marine sectors, where performance in harsh conditions and structural integrity are vital for safety and efficiency.
These forgings are made from a high-alloy stainless steel that contains around 25–26% chromium, 6–7% nickel, 3–4% molybdenum, along with trace amounts of nitrogen. This unique chemical makeup grants them exceptional resistance to corrosion in environments rich in chlorides, while also providing superior mechanical properties. On the mechanical side, these forgings showcase high tensile and yield strength, excellent toughness, and good ductility. The combination of their corrosion resistance and mechanical performance ensures they remain durable and reliable, even in applications facing extreme pressures, temperatures, and corrosive substances.
| 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 the oil and gas, chemical processing, marine, and desalination industries. They’re perfect for valves, flanges, pumps, pipe fittings, pressure vessels, and heat exchangers, where both corrosion resistance and high mechanical strength are essential. In marine and chemical environments, they ensure dependable long-term performance against seawater, chlorides, and acidic media. Moreover, S32750 forgings are utilized in high-performance offshore structures, pipelines, and industrial equipment, providing exceptional durability, corrosion resistance, and mechanical stability under challenging conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sadiki Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kinshasa, Congo
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