Home > Super Duplex Steel > Super Duplex Steel Forgings
Aisha Nickel Alloys is a leading manufacturer and supplier of Super Duplex Steel Forgings in Muscat, OMAN. Our Super Duplex Steel Forgings are engineered to provide exceptional strength and durability, making them ideal for high-pressure applications in harsh environments. With excellent resistance to corrosion, pitting, stress corrosion cracking, these forgings are perfect for use in offshore oil and gas platforms, chemical process plants, and marine applications Dedicated to high performance, Aisha Nickel Alloy ensures every forging meets strict international standards, reliability For long lasting performance Trust us with your Super Duplex Steel Forgings needs, and use our expertise in providing superior solutions for engineering in the important applications.
| 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. |
| Element | Cr | Ni | Mn | Si | P | S | C | N | Mo | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| MIN | 22.0 | 4.5 | – | – | – | – | – | 0.1 | 3.0 | – |
| MAX | 23.0 | 6.5 | 2.0 | 1.0 | 0.03 | 0.02 | 0.03 | 0.2 | 3.5 | bal |
| 0.2% Yield Strength, ksi | 65 min |
| Tensile Strength, ksi | 90 min |
| Elongation, % | 25 min |
| Hardness [HRC] | 293 max |
What sets Super Duplex Steel Forgings apart is their unique austenitic-ferritic microstructure, which offers remarkable strength and resistance to corrosion. The alloy is rich in chromium, molybdenum, nickel, and nitrogen, providing excellent protection against pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, these forgings boast high tensile and yield strength, impressive impact toughness, and solid fatigue resistance, making them reliable under extreme pressures, temperature fluctuations, and harsh, chloride-laden environments.
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You’ll find Super Duplex Steel Forgings commonly used in valves, flanges, couplings, pump components, pressure vessels, and structural parts that come into contact with corrosive substances. Their high strength allows for thinner components without sacrificing integrity, while their corrosion resistance reduces maintenance needs. These qualities make them a top choice for critical industrial applications where safety, durability, and long-term reliability are paramount.
