Isis Metals, Manila, Philippines is a prominent stockist of high-performance Duplex Steel Square Bars, well-known for their exceptional strength and excellent corrosion resistance. These bars are manufactured from duplex stainless steel, a duplex alloy containing austenitic and ferritic microstructures, with better mechanical properties and longer lifespan than common stainless steels. Suited for high-demanding industrial use, Isis Metals guarantees that every Duplex Steel Square Bar passes strict quality tests. With emphasis on dependability, performance, and endurance, our products deliver customized solutions for industries that need material that can work under excessive conditions.
Duplex Steel Square Bars have a duplex microstructure that consists of nearly equal amounts of austenite and ferrite. Chemically, they are 22–25% Chromium, 5–7% Nickel, 3–4% Molybdenum, and Nitrogen with trace elements. The composition gives improved mechanical properties with greater yield and tensile strength compared to usual austenitic stainless steels. The alloy has good resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in environments rich in chlorides. Duplex Steel Square Bars also exhibit acceptable weldability and toughness for use in high-stress, corrosive, and structural applications in various industrial sectors.
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 : Square
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 % |
Duplex Steel Square Bars are generally not ideal for cryogenic applications. Their performance may deteriorate at extremely low temperatures, making materials like austenitic stainless steel more suitable for such conditions.
To choose the right Duplex Steel Square Bar, consider factors such as the required strength, corrosion resistance, temperature conditions, and industry-specific demands. Ensure compatibility with your application’s mechanical and environmental requirements.
Yes, Duplex Steel Square Bars require regular inspection, especially in harsh environments. Checking for signs of corrosion, wear, or structural integrity ensures they continue performing optimally in critical applications.
Duplex Steel Square Bars find extensive application in industries where durability, corrosion resistance, and strength are of utmost importance. In building construction, they are used as structural support and reinforcements in extreme conditions. They are used in the oil and gas industry for offshore platforms, pipelines, and processing equipment subject to hostile conditions. In chemical processing, they are utilized for tankage, reactors, and piping systems containing corrosive chemicals. The marine sector is dependent on their anti-corrosion characteristics for shipbuilding, harbor construction, and seawater equipment. In general, Duplex Steel Square Bars form an important part of applications that require long-term dependability and high-performance under severe environmental and operational conditions.
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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