Phehlukwayo Metal, based in Cape Town, South Africa, is a reputable manufacturer and supplier of top-notch Super Duplex Steel Hex Bars. These bars are celebrated for their remarkable strength, resistance to corrosion, and long-lasting durability, making them perfect for the demanding needs of the chemical, petrochemical, marine, and offshore sectors. At Phehlukwayo Metal, they utilize cutting-edge production methods and rigorous quality control measures to guarantee precise dimensions and outstanding metallurgical characteristics. Their Super Duplex Steel Hex Bars are designed to withstand pitting, stress corrosion, and high-temperature conditions, ensuring reliable performance for critical applications and complex engineering projects throughout South Africa and beyond.
The Super Duplex Steel Hex Bars from Phehlukwayo Metal primarily consist of iron, chromium (20–25%), nickel (6–8%), and molybdenum (3–5%), with small amounts of nitrogen and manganese to boost strength and corrosion resistance. Mechanically, these bars provide high tensile and yield strength, excellent toughness, and good ductility, making them ideal for heavy-duty applications. They exhibit exceptional resistance to chloride-induced corrosion, pitting, and crevice corrosion, while remaining stable in high-temperature and aggressive environments. This combination of strength and corrosion resistance guarantees long-lasting performance in challenging 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 : Rectangular
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 Hex Bars are fully recyclable. They can be melted down and reused without losing their essential properties, making them an environmentally sustainable option for various applications.
Duplex Steel Hex Bars have inherent corrosion resistance due to their composition. However, in highly aggressive environments, additional coatings or treatments may be necessary to enhance their longevity and performance.
To choose the right Duplex Steel Hex Bar, consider factors such as mechanical strength, corrosion resistance, temperature conditions, and compatibility with your application’s specific industry standards and environmental factors.
Phehlukwayo Metal’s Super Duplex Steel Hex Bars find extensive use in chemical processing plants, offshore oil and gas platforms, marine engineering, desalination facilities, and power generation industries. They are perfect for crafting shafts, fasteners, pump components, valve parts, and structural elements that require high strength and corrosion resistance. Additionally, these bars are utilized in heat exchangers, pipelines, and marine environments exposed to saltwater, where durability and performance are essential. With their robust mechanical properties and ability to withstand harsh conditions, Phehlukwayo Metal’s Super Duplex Steel Hex Bars are a reliable choice for demanding 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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