Super Duplex Steel Forgings are celebrated for their remarkable blend of high strength, impressive corrosion resistance, and exceptional durability, making them perfect for tough industrial settings. These forgings stand out with their ability to resist pitting, crevice corrosion, and stress corrosion cracking, particularly in environments rich in chlorides and marine conditions. Crafted with precision, Super Duplex Steel Forgings deliver outstanding mechanical stability and toughness, ensuring they perform reliably even under extreme pressures and temperatures. They find extensive use in industries that demand strong materials capable of providing consistent and dependable service over time.
These forgings are made from high-alloy duplex stainless steels, typically featuring 24–26% chromium, 6–8% nickel, 3–4% molybdenum, and a touch of nitrogen to boost strength and corrosion resistance. This unique chemical makeup strikes a perfect balance between ferritic and austenitic structures, resulting in excellent mechanical properties. Super Duplex Steel Forgings showcase high tensile and yield strength, impressive impact resistance, and good ductility. Their ability to withstand acidic environments, chlorides, and high temperatures ensures they remain durable and reliable in highly corrosive and high-stress situations.
| 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. |
To verify the quality of Super Duplex Steel forgings, check for certifications like ASTM, ASME, or ISO standards. Conduct tests such as mechanical property testing, chemical composition analysis, and non-destructive testing (NDT) like ultrasonic or magnetic particle inspections.
Compatible welding processes for Super Duplex Steel forgings include Tungsten Inert Gas (TIG), Metal Inert Gas (MIG), Shielded Metal Arc Welding (SMAW), and Submerged Arc Welding (SAW), using appropriate filler materials.
Super Duplex Steel forgings are governed by standards such as ASTM A182, ASTM A240, ASME SA-182, ASME SA-240, and EN 10088-3, which define material properties, chemical composition, and mechanical requirements.
Super Duplex Steel Forgings are commonly utilized in the chemical processing, petrochemical, oil and gas, marine, and desalination sectors. They are particularly suited for crafting valves, flanges, fittings, shafts, pump components, pressure vessels, and heat exchanger parts that require both corrosion resistance and structural integrity. In offshore and marine applications, they can endure exposure to seawater, chlorides, and challenging environmental conditions. Moreover, these forgings are essential in high-pressure systems, subsea equipment, and industrial machinery, providing outstanding performance, durability, and reliability in the most demanding scenarios.
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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