Phehlukwayo Metal, a top-notch manufacturer and supplier located in Cape Town, South Africa, specializes in high-quality **Duplex Steel Bright Bars** that are designed for outstanding strength, corrosion resistance, and durability. Crafted from advanced duplex stainless steel, these bright bars merge the benefits of both austenitic and ferritic structures, providing exceptional mechanical properties and resistance to stress corrosion cracking. Phehlukwayo Metal guarantees precise dimensions, a superb surface finish, and consistent quality, making these Duplex Steel Bright Bars perfect for demanding sectors like chemical processing, oil and gas, marine, and petrochemical industries, where reliability, toughness, and the ability to withstand harsh environments are essential for long-lasting performance.
These Duplex Steel Bright Bars mainly consist of iron, along with about 22–25% chromium, 4–6% nickel, 3–5% molybdenum, and trace amounts of nitrogen. This unique composition results in a tensile strength between 700–900 MPa and an impressive yield strength of around 450–600 MPa. The well-balanced microstructure boosts resistance to pitting, crevice corrosion, and stress corrosion cracking, all while ensuring good ductility and toughness. These mechanical properties make duplex bright bars incredibly dependable for high-stress and corrosive applications across various industries.
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 : Bright
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 % |
Yes, Duplex Steel Bright Bars are suitable for natural gas applications due to their excellent corrosion resistance, high strength, and durability, making them ideal for pipelines and gas processing systems.
Yes, Duplex Steel Bright Bars are suitable for hygienic and sanitary applications due to their corrosion resistance, cleanability, and ability to withstand harsh environments, making them ideal for food and pharmaceutical industries.
You’ll find Duplex Steel Bright Bars commonly used in the chemical, petrochemical, oil and gas, and marine sectors for creating pumps, valves, heat exchangers, pressure vessels, and structural components. They excel in environments that face exposure to chlorides, acids, and high-pressure conditions, where regular stainless steels might not hold up. Moreover, these bright bars are utilized in offshore platforms, desalination plants, and pulp and paper processing equipment, providing long-lasting durability, corrosion resistance, and mechanical reliability. Their blend of strength and resilience makes them ideal for critical engineering and industrial applications.
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
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