Phehlukwayo Metal, based in Cape Town, South Africa, stands out as a top manufacturer and supplier of high-performance stainless steel products, including the exceptional Super Duplex Steel Flat Bar. Known for its quality, durability, and precision, Phehlukwayo Metal provides materials that adhere to global standards across various industries. With state-of-the-art manufacturing techniques and a strong focus on customer satisfaction, the company guarantees that each Super Duplex Steel Flat Bar is crafted for strength and resistance to corrosion. Phehlukwayo Metal remains a trusted partner for clients in need of sturdy, long-lasting metal solutions for challenging environments and structural applications.
The Super Duplex Steel Flat Bar is made up of about 25% chromium, 7% nickel, 4% molybdenum, and a touch of nitrogen, resulting in a ferritic-austenitic microstructure. This unique chemical composition boosts its resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, it boasts high tensile strength (up to 800 MPa), excellent yield strength, and impressive impact toughness, even in low temperatures. Its outstanding fatigue resistance and structural integrity make it tougher and more durable than regular stainless steel, ensuring reliable performance under extreme pressure and corrosive conditions.
| Material | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Super Duplex Steel | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| Tensile Strength | 90,000 psi |
| Yield Strength | 50,000 psi |
| Elongation In 2” | 20% |
Reduction of Area | 30% |
Brlnell Hardness | 180-220 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
Yes, Super Duplex Steel Flat Bars are highly recyclable. Due to their composition and durability, they can be reused in various industries without compromising their properties or performance.
Super Duplex Steel Flat Bars are generally not suitable for cryogenic applications due to their brittleness at extremely low temperatures. Materials like austenitic stainless steel are often preferred for such uses.
Yes, Super Duplex Steel Flat Bars are suitable for underground applications due to their excellent corrosion resistance, especially in harsh, corrosive environments such as soil or groundwater exposure.
The Super Duplex Steel Flat Bar finds its place in industries that demand a blend of high strength and corrosion resistance. You’ll often see it in applications like offshore oil and gas platforms, marine engineering, desalination plants, heat exchangers, pressure vessels, and chemical processing systems. Its flat design is perfect for structural supports, bracing components, frames, and load-bearing assemblies that face aggressive environments. Thanks to its mechanical strength and resistance to harsh chemicals and seawater, this bar is a go-to material for critical infrastructure. Phehlukwayo Metal guarantees that each bar meets rigorous quality standards for reliable industrial performance.
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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