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Lina Fasteners is a well-respected manufacturer and supplier of Duplex Steel Stud Bolts based 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, strict quality control, and adherence to international standards, all aimed at ensuring their products perform reliably and last a long time. The Duplex Steel Stud Bolts from Lina Fasteners are designed to offer outstanding corrosion resistance along with impressive mechanical strength, 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 trustworthy fastening solutions for industries like oil and gas, petrochemical, marine, and power generation.
These Duplex Steel Stud Bolts are crafted from a special alloy that features a balanced mix of austenite and ferrite, typically including elements like chromium, nickel, molybdenum, and nitrogen. This unique composition gives them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, these bolts boast high tensile and yield strength, solid toughness, and dependable ductility. They maintain their shape and structural integrity even under heavy loads, high pressure, and aggressive chemical conditions.
| Duplex Steel Stud Bolts | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| Duplex Steel Stud Bolts | 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 % |
| Grade | Duplex Steel UNS S31803 / S32205 |
| Specifications | ASTM A 479 ASME SA 479 |
| Dimension | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
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.
Duplex Steel Stud Bolts find their place in various industries that demand both high strength and exceptional corrosion resistance. Common applications include offshore platforms, oil and gas pipelines, pressure vessels, heat exchangers, and chemical processing equipment. They are also utilized in marine structures, desalination plants, and power generation facilities that face exposure to chlorides and harsh environments. Thanks to their superior mechanical properties, corrosion resistance, and durability, these bolts offer secure, reliable, and long-lasting fastening solutions for even the most demanding industrial and marine applications.
At Lina Fasteners, we ensure Duplex Steel Stud Bolts are packaged with the utmost care to preserve their quality and integrity. Each bolt is individually inspected and securely wrapped in protective materials to prevent damage during transit. We offer a range of packaging options, including bulk cartons and custom-sized containers, to meet your specific needs. Our robust packaging solutions ensure that your fasteners arrive in pristine condition, ready for immediate use in your critical applications.
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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