Luois Metals stands out as a leading manufacturer and supplier of Duplex Steel Round Bars right here in Houston, USA. We take pride in offering top-notch products that are built to provide exceptional strength, durability, and impressive resistance to corrosion. Our Duplex Steel Round Bars are crafted with meticulous attention to detail, ensuring they meet high standards for dimensional accuracy, toughness, and longevity, even in the toughest conditions. Thanks to their unique dual-phase microstructure, which combines austenite and ferrite, these bars boast remarkable mechanical properties, making them perfect for industries like marine, chemical, petrochemical, and construction. At Luois Metals, we’re dedicated to delivering reliable products and ensuring timely delivery to markets around the globe.
These Duplex Steel Round Bars are made from a blend of chromium, nickel, molybdenum, and nitrogen, giving them outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. The duplex structure not only enhances their strength compared to traditional austenitic stainless steels but also keeps them ductile and tough. On a mechanical level, they provide high yield strength, excellent fatigue resistance, and the reliability to perform under high pressure and corrosive environments. Their composition guarantees durability, weldability, and consistent performance in critical 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.
You’ll find Duplex Steel Round Bars being utilized across various industries where strength and corrosion resistance are crucial. In the marine sector, they’re used in propeller shafts, shipbuilding, and seawater systems. The oil and gas industry relies on them for pipelines, offshore platforms, and pressure vessels. In the chemical and petrochemical fields, they’re essential for heat exchangers, storage tanks, and process equipment. Plus, they’re also valuable in construction, heavy machinery, and the paper and pulp industries. With their unbeatable combination of durability and strength, Duplex Steel Round Bars are the go-to choice for demanding applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis 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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