Neith Metals, located in Cairo, Egypt, stands out as a top-notch manufacturer and supplier of high-quality Duplex Steel Square Bars, designed to meet a variety of industrial needs. Known for its dedication to excellence, Neith Metals guarantees precise engineering, durability, and reliable performance in every product. These Duplex Steel Square Bars blend the best features of both austenitic and ferritic stainless steels, providing exceptional corrosion resistance, impressive strength, and outstanding fatigue performance. Perfect for tough environments, these bars are carefully crafted to adhere to international standards. With a strong emphasis on reliability and innovation, Neith Metals has become a trusted partner for industries in search of durable and long-lasting steel solutions.
The composition of Duplex Steel Square Bars includes nearly equal parts of austenite and ferrite phases, featuring essential elements like chromium, nickel, molybdenum, and nitrogen. This distinctive makeup enhances their corrosion resistance, especially against stress corrosion cracking, pitting, and crevice corrosion. On the mechanical side, they boast high tensile and yield strengths, remarkable toughness, and excellent fatigue resistance, surpassing traditional austenitic stainless steels. Their balanced microstructure ensures stability and weldability, making them ideal for precision engineering tasks. Duplex Steel Square Bars provide the perfect mix of strength, durability, and corrosion protection for demanding industrial settings.
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.
These bars find extensive use in industries that require strength, durability, and resistance to corrosion. Typical applications include chemical processing equipment, pressure vessels, heat exchangers, marine structures, and offshore platforms. They are also utilized in oil and gas pipelines, desalination plants, pulp and paper machinery, and construction projects that need high-performance stainless steel components. Their remarkable resistance to chloride-induced corrosion makes them a go-to choice for challenging environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Neith Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Alexandria, Egypt
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