Request For Our Latest Prices On Duplex Steel Bolts in Tunis, Tunisia!
Lina Fasteners is a well-respected manufacturer and supplier located in Tunis, Tunisia, specializing in top-notch Duplex Steel Bolts designed for exceptional strength and outstanding corrosion resistance. Crafted to meet international standards, these bolts blend the benefits of austenitic and ferritic stainless steels, ensuring remarkable mechanical performance and durability. At Lina Fasteners, we prioritize precision forging, meticulous threading, and rigorous quality control to satisfy the toughest industrial demands. Our Duplex Steel Bolts are widely used in the oil & gas, petrochemical, chemical processing, marine, and power generation sectors, providing reliable fastening solutions with a long service life and consistent performance in challenging environments.
Duplex Steel Bolts feature a well-balanced microstructure of austenite and ferrite, enriched with high levels of chromium, molybdenum, and nitrogen. This unique composition grants them superior tensile and yield strength compared to standard austenitic stainless steels, along with impressive toughness. These bolts excel in resisting pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride-rich settings. They maintain their shape under heavy loads, exhibit excellent fatigue resistance, and deliver reliable performance in both high-pressure and corrosive conditions.
Duplex Steel 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 % |
| 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.
Duplex Steel Bolts find their place in a variety of applications that demand high strength and corrosion resistance. Common uses include offshore platforms, oil and gas pipelines, pressure vessels, heat exchangers, and chemical processing equipment. They are also extensively utilized in marine structures, desalination plants, pulp and paper industries, and power generation facilities. Thanks to their resistance to chloride-induced corrosion and stress cracking, these bolts are perfectly suited for harsh and aggressive environments.
At Lina Fasteners, our duplex steel bolts are carefully installed to ensure a safe and secure delivery. Each bolt is individually wrapped with protective material and installed to prevent damage during transit. Our packaging includes clear labeling and barcoding for easy identification and inventory management. We use durable environmentally friendly materials to protect the integrity of the bolts and reduce environmental impact. Count on Lina Fasteners to deliver your duplex steel bolts in the best possible condition, ready for immediate use.
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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