Welcome to Junaid Metals, your trusted partner in Manama, Bahrain, for premium industrial materials. We take pride in supplying a robust Duplex Steel Square Bar, engineered to meet the most demanding industrial challenges. This high-performance alloy is the go-to choice for professionals who require exceptional strength and reliability, making it an ideal foundation for critical components across various heavy-duty sectors. When you choose Junaid Metals, you’re selecting a product backed by local expertise and a commitment to unwavering quality.
The secret to this square bar’s performance lies in its unique composition, a careful balance of chromium, nickel, molybdenum, and nitrogen. This blend gives Duplex steel its distinctive two-phase microstructure, which directly translates to outstanding mechanical properties. It offers a remarkable combination of high tensile strength and excellent toughness, far surpassing common stainless steels. Furthermore, it boasts exceptional resistance to stress corrosion cracking, ensuring long-term integrity even in the most punishing environments where standard materials would fail.
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.
The versatility of Duplex Steel Square Bar makes it invaluable across a wide spectrum of industries. It is extensively used in the offshore and marine sectors for structural components, pump shafts, and valves that must withstand corrosive seawater. The chemical processing and oil and gas industries rely on it for fasteners, agitators, and machining parts exposed to acidic environments. Its strength also makes it a preferred material for constructing high-stress architectural elements, proving that its utility extends from the depths of the sea to the heart of modern infrastructure.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Junaid Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manama, Bahrain
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