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Lina Fasteners stands out as a trusted manufacturer and supplier of Duplex Steel Nuts right in Tunis, Tunisia. They specialize in providing high-strength fastening solutions that are perfect for tough and corrosive industrial settings. The company prides itself on precision manufacturing, rigorous quality control, and strict adherence to international standards, all aimed at ensuring top-notch quality and a long lifespan for their products. The Duplex Steel Nuts from Lina Fasteners are designed to offer exceptional mechanical strength along with impressive corrosion resistance, making them ideal for challenging operating conditions. With state-of-the-art production facilities, a team of skilled professionals, and efficient logistics, Lina Fasteners guarantees timely deliveries, competitive pricing, and reliable fastening solutions for industries like oil and gas, petrochemical, marine, and power generation.
These Duplex Steel Nuts are crafted from alloys that feature a well-balanced austenitic and ferritic microstructure, typically incorporating elements like chromium, nickel, molybdenum, and nitrogen. This unique blend gives them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, duplex steel nuts boast high tensile and yield strength, solid toughness, and dependable ductility. They maintain their shape and structural integrity even under high loads, pressure, and exposure to harsh chemicals and chloride-rich environments.
| Duplex Steel Nuts | 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 % |
| 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″ |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
You’ll find Duplex Steel Nuts being used in a variety of applications that demand both high strength and excellent corrosion resistance. Common uses include offshore platforms, oil and gas pipelines, pressure vessels, heat exchangers, and chemical processing equipment. They’re also utilized in marine structures, desalination plants, construction projects, and power generation facilities that face tough environmental conditions. Thanks to their outstanding mechanical properties, corrosion resistance, and durability, duplex steel nuts deliver secure, reliable, and long-lasting fastening solutions in even the most demanding industrial and marine applications.
Lina Fasteners use duplex steel frames that are carefully installed to ensure optimal safety and comfort. Each nut is carefully encased in hard clear waste materials to ensure quality and prevent damage during transport. Our packaging includes clear labels with detailed information for easy identification and handling. Designed to withstand shipping conditions, our packaging assures that double-sided steel frames arrive in pristine condition, ready to be shipped will be readily used in complex mechanical applications. Count on Lina Fasteners for reliable and safe fastening.
Lina Fasteners is a leading manufacturer and supplier of high-quality fasteners in Tunis, Tunisia, with over 8 years of experience serving global industries.
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