Aung Metals, based in Naypyidaw, Myanmar, stands out as a top manufacturer and supplier of Duplex Steel Round Bars, known for their remarkable strength, resistance to corrosion, and long-lasting durability. By leveraging cutting-edge manufacturing technology and maintaining rigorous quality control, Aung Metals guarantees that each Duplex Steel Round Bar adheres to international standards, ensuring reliable performance even in the toughest industrial settings. These round bars blend the best features of austenitic and ferritic stainless steels, offering exceptional toughness, resistance to stress corrosion, and excellent weldability. Aung Metals provides precision-engineered duplex steel solutions that are perfect for chemical, petrochemical, marine, and offshore applications, where high-performance and durability are a must.
The composition of Duplex Steel Round Bars includes about 22% chromium, 5–6% nickel, 3% molybdenum, and a majority of iron, along with trace amounts of nitrogen and other alloying elements. This unique blend gives them impressive mechanical strength, toughness, and outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. In terms of mechanical properties, these round bars boast a tensile strength ranging from 700 to 900 MPa, yield strength between 450 and 550 MPa, and an elongation of 25 to 30%. They also demonstrate excellent ductility, fatigue resistance, and weldability, making them ideal for critical industrial and structural applications.
Standards : EN, DIN, JIS, ASTM, BS, ASME, AISI
Size : 10 mm To 100 mm Dia in
Length : 100 mm TO 6000 mm Length.
Specifications : ASTM A276, A479 / ASME SA276, SA479
Form : Round
Finish : Bright, Polish & Black
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| S31803 / S32205 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
To select the right Duplex Steel Round Bars, consider factors like corrosion resistance, mechanical strength, temperature conditions, and the specific industry requirements. Consult material specifications and expert advice for optimal selection.
Common grades of Duplex Steel used in round bar manufacturing include 2205 (F51), 2507 (F53), and 2304, each offering varying levels of corrosion resistance, strength, and weldability for specific applications.
Yes, Duplex Steel Round Bars are fully recyclable. Their high-quality composition allows them to be reused in various industries without compromising performance or structural integrity.
Duplex Steel Round Bars find extensive use in the chemical, petrochemical, marine, and offshore sectors due to their high strength, corrosion resistance, and durability. Typical applications include pump shafts, valves, fasteners, heat exchangers, pressure vessels, and structural components that face harsh and corrosive conditions. They’re also utilized in seawater systems, oil and gas platforms, and heavy machinery where mechanical strength and corrosion resistance are crucial. With Duplex Steel Round Bars, you can count on long-lasting performance, reliability, and structural integrity in demanding industrial environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Aung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Naypyidaw, Myanmar
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