Isis Metals is a reliable manufacturer and supplier of **Duplex Steel Round Bars** located in Manila, Philippines. We pride ourselves on delivering top-notch duplex stainless steel products that are built for exceptional strength, corrosion resistance, and durability. Thanks to our cutting-edge manufacturing technology and rigorous quality control processes, we guarantee that every round bar we produce meets international standards for both performance and precision. Our Duplex Steel Round Bars are perfect for use in tough environments, including the chemical, marine, and offshore industries. Renowned for their strength and resistance to stress-corrosion cracking, the duplex steel products from Isis Metals ensure dependable, long-lasting performance across a variety of industrial sectors.
**Duplex Steel Round Bars** consist of about 22% chromium, 5–6% nickel, 3% molybdenum, and 0.14% nitrogen, with the rest being iron. This unique dual-phase structure merges the toughness of austenitic stainless steel with the strength of ferritic grades. The alloy boasts high tensile strength (typically ranging from 620 to 850 MPa), outstanding resistance to pitting and crevice corrosion, and good weldability. Additionally, Duplex Steel maintains its mechanical integrity even under high pressures and temperatures, making it a go-to choice for demanding engineering 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 industries that demand both high strength and corrosion resistance. They are ideal for crafting pump shafts, valves, flanges, fasteners, and fittings utilized in chemical processing, desalination plants, and the oil and gas sectors. In marine and offshore applications, these bars are used for heat exchangers, propeller shafts, and structural components that come into contact with seawater. Their blend of toughness, fatigue resistance, and corrosion protection makes Duplex Steel Round Bars an excellent fit for challenging applications in construction, power generation, and industrial processing environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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