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Boikanyo Fasteners is a reliable manufacturer and supplier of Super Duplex Steel Screws, proudly based in Cape Town, South Africa. We specialize in providing top-notch fastening solutions tailored for critical industrial applications. Super Duplex Steel is renowned for its remarkable corrosion resistance and impressive mechanical strength, making it the perfect choice for challenging environments like chemical, marine, and industrial settings. Our Super Duplex Steel Screws are meticulously engineered to meet international standards, guaranteeing durability and secure connections in industries such as offshore, chemical processing, oil and gas, and power generation.
These screws are crafted from alloys rich in chromium, nickel, molybdenum, and nitrogen, which give them exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. With a tensile strength ranging from 850 to 950 MPa, they also boast excellent mechanical stability across a broad temperature spectrum, making them suitable for high-pressure and high-stress applications.
| Standard | DIN, ASTM, BS and all International Standards |
| Specifications | ASTM A479 & ASME SA479 |
| Length | 3 to 200 MM |
| Super Duplex Steel 2207 Machine Screws Size | M1.6 To M12 |
| Phosphorus | Sulphur | Silicon | Carbon | Manganese | Nickel | Molybdenum | Nitrogen | Copper | Chromium |
|---|---|---|---|---|---|---|---|---|---|
| 0.035 % max | 0.02 % max | 0.80 % max | 0.03% Max | 1.20 % max | 6.00 – 8.00 % | 3.00 – 5.00 % | 0.24 – 0.32 % | 0.50 % max | 24.0 – 26.0 % |
| Material Product | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) |
| Super Duplex Steel Screw | 760 | 550 | 15 | 32 Max |
At Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Screws 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.
You’ll find Super Duplex Steel Screws in a variety of settings, including offshore platforms, chemical processing plants, marine equipment, desalination units, and power generation facilities. Their unique blend of strength, corrosion resistance, and durability ensures they deliver long-lasting performance with minimal maintenance, providing secure fastening even in the toughest industrial and marine conditions.
