Kanish Metals stands out as a leading manufacturer and supplier of **Duplex Steel Square Bars** right from **Dubai, UAE**. We take pride in delivering top-notch stainless steel products that adhere to international standards. Our Duplex Steel Square Bars are crafted for exceptional strength, corrosion resistance, and durability, making them perfect for tough structural and industrial tasks. With cutting-edge manufacturing processes and rigorous quality control, we cater to a diverse array of industries, including oil & gas, marine, chemical processing, and construction. At Kanish Metals, we’re dedicated to offering dependable products, timely deliveries, and outstanding customer support, both locally and globally.
**Duplex Steel Square Bars** are crafted from high-performance duplex stainless steel grades like **S31803 and S32205**, which contain about **22% chromium, 5–6% nickel, 3% molybdenum**, and **0.14–0.20% nitrogen**. These bars feature a dual-phase microstructure (austenite and ferrite), providing a **tensile strength of 620–880 MPa**, **yield strength ≥450 MPa**, and **elongation around 25%**. They excel in resisting **chloride-induced stress corrosion cracking**, **pitting**, and **crevice corrosion**. Their mechanical properties hold steady even in high-stress and corrosive settings, making them ideal for both structural and high-performance engineering 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 : 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 use in industries that demand **robust mechanical strength and corrosion resistance**. In the **oil and gas sector**, they’re utilized for subsea components, fasteners, and structural frameworks that face harsh offshore conditions. The **chemical processing industry** counts on them for processing equipment, piping systems, and tanks. In **marine applications**, they shine in shipbuilding, shafts, and dock components due to their impressive resistance to seawater corrosion. They’re also employed in **construction** and various other sectors where durability is key.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Kanish Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Dubai, UAE
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