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Duplex Steel 2205 bolts are robust fasteners crafted from duplex stainless steel, showcasing a well-balanced mix of austenite and ferrite. This unique dual-phase structure not only delivers impressive mechanical strength but also offers outstanding corrosion resistance and durability, making them perfect for tough chemical, marine, and industrial settings. These bolts stand up remarkably well against pitting, crevice corrosion, and stress corrosion cracking caused by chlorides, ensuring that they provide secure and reliable fastening in critical situations.
| Specifications | ASTM A479 & ASME SA479 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 to 200 MM |
| Duplex Steel Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Duplex Steel 2205 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
| 2205 | 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 % |
| 2205 | 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 |
At Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel 2205 Bolts 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 Duplex Steel 2205 bolts commonly used in pipelines, pressure vessels, heat exchangers, offshore platforms, and structural assemblies that are exposed to seawater, acids, and other aggressive substances. Their blend of high strength, corrosion resistance, and durability ensures a long service life, minimal maintenance, and reliable performance in demanding industrial and marine applications.
