Phehlukwayo Metal, based in Cape Town, South Africa, stands out as a top manufacturer and supplier of high-quality Duplex Steel Square Bars. Renowned for its precision engineering and unwavering commitment to excellence, the company delivers products that are not only durable and corrosion-resistant but also boast high strength, all while meeting international standards. Phehlukwayo Metal’s Duplex Steel Square Bars are specifically designed to perform reliably in tough industrial settings, including the chemical, marine, and oil and gas sectors. Thanks to advanced manufacturing techniques and rigorous quality control, the company guarantees products that merge exceptional mechanical performance with a long service life, catering to industries that demand robust and trustworthy stainless steel solutions.
These Duplex Steel Square Bars are crafted from a well-balanced blend of austenitic and ferritic stainless steel, enriched with chromium, nickel, and molybdenum, which together provide remarkable corrosion resistance and strength. This distinctive composition results in outstanding mechanical properties, such as superior tensile strength, toughness, and good ductility, even in extreme conditions. Additionally, Duplex Steel Square Bars are resistant to stress corrosion cracking and pitting, ensuring they remain durable in aggressive environments. Their precise manufacturing and dimensional accuracy make them perfect for critical applications that require both strength and reliability.
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.
You’ll find Duplex Steel Square Bars widely utilized across various industries that demand high corrosion resistance and mechanical performance. They’re particularly suited for chemical processing equipment, heat exchangers, pumps, valves, and structural components in marine and offshore applications. The oil and gas, petrochemical, and desalination industries also depend on Duplex Steel Square Bars for their ability to endure harsh environments, including those rich in chlorides and high temperatures. With their blend of strength, durability, and corrosion resistance, these bars ensure long-lasting performance, making them vital for critical industrial operations and infrastructure exposed to demanding conditions.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phehlukwayo Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Cape Town, South Africa
Copyright 2024 Phehlukwayo Metals. All rights reserved