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Boikanyo Metals is a reliable manufacturer and supplier of Super Duplex Steel Sheets and Plates, proudly based in Cape Town, South Africa. They offer top-notch materials that are celebrated for their remarkable strength and resistance to corrosion. These sheets and plates find their way into industries that require outstanding performance in tough environments, including marine, chemical processing, offshore, and oil & gas sectors. Boikanyo is committed to precise manufacturing and rigorous quality control, ensuring that their products meet international standards for durability, reliability, and mechanical integrity.
Super Duplex Steel Sheets and Plates are crafted from a well-balanced blend of austenitic and ferritic structures, featuring high levels of chromium (24–26%), nickel (6–8%), and molybdenum (3–4%). This unique composition grants them exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. They boast impressive tensile strength, ranging from 800 to 950 MPa, along with good weldability and outstanding toughness, even in low temperatures, making them perfect for high-pressure and demanding applications.
| Specifications | ASTM A240 / ASME SA 240 |
| Duplex Steel Plate Grades | 2205, 2507 |
| Size | 1000 mm x 2000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm |
| Thickness | 0.1mm to 12 mm Thk |
| Width | 10-2500mm |
| Length | 2m,2.44m, 3m as per requirement |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip, Flats, Blank (Circle), Ring (Flange) |
| Finish | Cold rolled sheet (CR), Hot rolled plate (HR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| MN | C | SI | S | P | CR | NI | MO | N |
|---|---|---|---|---|---|---|---|---|
| 2.0 max | 0.03 max | 1.0 max | 0.02 max | 0.03 max | min: 21.0 max: 23.0 | min: 4.5 max: 6.5 | min: 2.5 max: 3.5 | min: 0.08 max: 0.20 |
At Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Sheets and Plates in Cape Town , South Africa, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Cape Town, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
These Super Duplex Steel Sheets and Plates are commonly utilized in chemical process vessels, heat exchangers, marine structures, pressure tanks, and desalination plants. Their blend of high mechanical strength, corrosion resistance, and cost-effectiveness makes them a go-to choice for industries that need durable materials capable of withstanding harsh conditions and heavy mechanical loads.
