Sadiki Metals, based in Kinshasa, Congo, is a well-respected manufacturer and supplier of Super Duplex Steel Flat Bars. They offer products that are known for their incredible strength, durability, and resistance to corrosion. With a strong emphasis on precision engineering and adherence to international quality standards, Sadiki Metals provides flat bars that are perfect for use in tough environments. Made from high-quality Super Duplex Steel, these bars excel in resisting pitting, crevice corrosion, and stress corrosion cracking. Renowned for their outstanding mechanical performance and versatility, Super Duplex Steel Flat Bars find applications in various industries, including oil and gas, petrochemical, marine, and structural engineering.
Super Duplex Steel Flat Bars are made up mainly of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), and nitrogen, which together form a unique dual-phase microstructure of austenite and ferrite. This special blend gives them remarkable strength and impressive resistance to corrosion, especially in environments rich in chlorides. Typically, these bars boast a tensile strength between 800–1000 MPa and a yield strength of about 550 MPa, ensuring they are tough and can withstand fatigue. They also hold their own under high pressure and temperature, enhancing their hardness and weldability. Thanks to their balanced microstructure, they offer excellent protection against pitting, oxidation, and general corrosion, even in harsh chemical settings.
| 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.
Super Duplex Steel Flat Bars are a go-to choice in industries that require outstanding strength, corrosion resistance, and reliability. They’re perfect for use in offshore platforms, subsea equipment, chemical processing plants, heat exchangers, and desalination systems. Thanks to their exceptional resistance to chloride-induced corrosion, they’re especially suited for marine and coastal structures. In the construction and power generation fields, you’ll find them being used for shafts, supports, frames, and pressure vessels. Plus, Super Duplex Steel Flat Bars are also utilized in the pulp and paper industry as well as food processing units, providing durability, cost-effectiveness, and long-lasting performance even in highly corrosive environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sadiki Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kinshasa, Congo
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