Home > Super Duplex Steel > Super Duplex Steel Forgings
Marsh Nickel Alloys is a leading manufacturer and supplier of Super Duplex Steel Forgings in Canberra, Australia. 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,Marsh 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 |
These Super Duplex Steel Forgings boast a well-balanced microstructure of austenite and ferrite, enhanced with chromium, molybdenum, nickel, and nitrogen. This distinctive blend results in exceptional mechanical properties, including impressive tensile and yield strength, toughness, and fatigue resistance. They also provide outstanding protection against pitting, crevice corrosion, and chloride-induced stress corrosion cracking, even in highly aggressive chemical and high-temperature settings. Each forging is crafted with precision, undergoing meticulous manufacturing, heat treatment, and thorough testing to ensure dimensional accuracy, metallurgical consistency, and a superior surface finish, all of which guarantee reliability in critical applications.
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Super Duplex Steel Forgings find extensive use across various industries that require corrosion-resistant, high-strength components. In the oil and gas sector, they are commonly used in valve bodies, flanges, fittings, and pressure vessels that are exposed to seawater and harsh chemicals. In the chemical and petrochemical industries, they serve vital roles in reactors, heat exchangers, and piping systems that handle corrosive fluids. Additionally, they are crucial in desalination plants, marine structures, and power generation applications. The combination of high mechanical strength, durability, and exceptional corrosion resistance makes Super Duplex Steel Forgings essential for critical and high-demand applications.
