Brian Fasteners, a Houston-based supplier and manufacturer, specializes in Duplex Steel Forgings known for their strong strength and corrosion resistance. By combining austenitic and ferritic microstructures, Duplex Steel provides improved resistance to chloride stress corrosion and superior mechanical properties. Available in grades like UNS S31803 and S32205, Duplex Steel Forgings suit marine, chemical, and structural applications. Brian Fasteners ensures each forging meets strict quality standards with precise tolerances and full traceability. These forgings are supplied in various forms to meet the needs of industries requiring both durability and corrosion resistance in harsh environments.
Duplex Steel typically contains about 22% chromium, 5% to 6% nickel, 3% molybdenum, 0.2% nitrogen, and about 65% iron. This mix provides tensile strength from around 620 to 850 MPa, yield strength from 450 to 550 MPa, and elongation ranging from 25% to 30%. Duplex Forgings resist pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich environments. They are twice as strong as regular austenitic stainless steels and offer good weldability. These forgings maintain their mechanical integrity even under high pressure and varying temperatures, making them suitable for challenging applications.
| 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.
Duplex Steel Forgings are commonly used in offshore platforms, pressure vessels, chemical storage tanks, and heat exchangers. Their ability to withstand saltwater and chemical exposure makes them ideal for desalination plants, subsea pipelines, and marine structural components. Duplex forgings are also utilized in refineries, paper mills, and LNG systems. Brian Fasteners provides Duplex Steel forged parts tailored for high-stress, corrosive environments, ensuring optimal service life and mechanical performance in the most demanding industrial applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
George Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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