Chuck Metals stands out as a reliable manufacturer and supplier of Duplex Steel Forgings in Singapore, providing top-notch forged components to various industries across Pulau Ujong and the broader Southeast Asian region. These duplex steel forgings are celebrated for their remarkable mechanical strength, outstanding corrosion resistance, and impressive toughness, making them perfect for tough environments where durability and reliability are a must. Crafted in line with international standards like ASTM A182, our forgings come in a range of shapes and sizes to meet both custom and standard needs.
Duplex Steel Forgings typically consist of about 22–25% chromium, 4.5–6.5% nickel, and 2.5–3.5% molybdenum, with added nitrogen to boost pitting resistance and structural integrity. They deliver tensile strengths ranging from 620–900 MPa and yield strengths between 450–620 MPa, offering nearly double the strength of traditional austenitic stainless steels. The unique dual-phase microstructure (ferritic and austenitic) provides enhanced resistance to stress corrosion cracking, fatigue, and general corrosion, even in environments rich in chlorides.
| Specifications | ASTM A182, ASME SA182 |
|---|---|
| Standard | 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. |
Verify duplex steel forgings' quality by checking certifications, such as ASTM or ISO standards, conducting material testing (e.g., tensile, hardness, corrosion resistance), and inspecting for consistent dimensions, surface finish, and proper labeling.
Yes, duplex steel forgings are highly resistant to corrosion due to their unique blend of austenitic and ferritic microstructures, providing excellent resistance to pitting, crevice corrosion, and stress corrosion cracking.
The maximum operating temperature for duplex steel forgings typically ranges from 250°C to 300°C (482°F to 572°F), depending on the specific grade and application, to maintain optimal mechanical properties.
These Duplex Steel Forgings find extensive use in the oil and gas, chemical processing, marine, power generation, and desalination sectors. You’ll often see them in applications like flanges, valves, fittings, shafts, couplings, and rings that operate under high pressure and corrosive conditions. Their blend of strength, corrosion resistance, and machinability makes duplex steel forgings a dependable and cost-effective choice for components that need to last in challenging industrial settings.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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