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Lina Fasteners, based in Tunis, Tunisia, stands out as a dependable manufacturer and supplier of high-performance **Super Duplex Threaded Rods** tailored for tough industrial applications. With a strong focus on quality, precision engineering, and cutting-edge manufacturing techniques, the company crafts threaded rods that offer remarkable strength, corrosion resistance, and durability. Catering to sectors like marine, oil and gas, chemical processing, desalination, and heavy engineering, Lina Fasteners guarantees that every product adheres to strict international standards. Renowned for its customer-centric approach, competitive pricing, and prompt delivery, the company delivers robust fastening solutions designed for the most challenging environments.
Super Duplex Threaded Rods are generally crafted from high-alloy stainless steel grades like UNS S32750 or S32760, showcasing a well-balanced microstructure of austenite and ferrite. Their makeup includes high levels of chromium, molybdenum, and nitrogen, which contribute to their outstanding corrosion resistance. These rods boast exceptional mechanical strength, impressive tensile and yield properties, and remarkable resistance to stress corrosion cracking and pitting. Super Duplex alloys maintain their stability even in high-pressure and high-temperature settings, ensuring reliable performance in aggressive environments where both strength and corrosion resistance are essential.
| Standard | DIN, ASTM, BS and all International Standards |
| Specifications | ASTM A479 & ASME SA479 |
| UNS S32760 Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Length | 3 to 200 MM |
| Super Duplex Steel 2207 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) | |
| Super Duplex Steel Bolts | 760 | 550 | 15 | 32 Max |
| 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 % |
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.
Super Duplex Threaded Rods find extensive use in industries that demand strong, corrosion-resistant fastening components capable of enduring harsh conditions. In the oil and gas industry, they are essential for subsea equipment, offshore platforms, and pipeline systems due to their resilience in chloride-rich environments. The marine and shipbuilding sectors depend on them for long-lasting durability when exposed to seawater. In chemical processing and petrochemical facilities, they are utilized in reactors, heat exchangers, and storage tanks, ensuring safety and reliability in challenging operational conditions.
At Lina Fasteners, the safety of our Super Duplex Steel threaded rods during transportation is a top consideration in order to supply them in the best state. Every rod is wrapped separately to ensure that it is protected from physical injury, rusting and contamination during transportation. We employ the use of cartons that are strong and provide packaging services in accordance to your needs. The products are well packed and labeled to ensure identification and handling is done effectively, which shows our capacity to provide quality products with a lot of concern.
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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