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Lina Fasteners stands out as a top-notch manufacturer and supplier located in Tunis, Tunisia, specializing in a wide array of Super Duplex Steel Fasteners designed for high-performance industrial needs. With state-of-the-art manufacturing facilities and rigorous quality control measures, the company ensures that its fasteners not only meet international standards but also align perfectly with customer specifications. Lina Fasteners serves various sectors, including oil and gas, petrochemical, marine, power generation, and heavy engineering. Renowned for their exceptional strength, corrosion resistance, and precise dimensions, these Super Duplex Steel Fasteners guarantee reliable performance even in harsh environments, solidifying Lina Fasteners’ status as a trusted partner for fastening solutions both regionally and globally.
Super Duplex Steel Fasteners are crafted from alloys that feature a well-balanced austenitic-ferritic microstructure, enriched with high levels of chromium, molybdenum, and nitrogen. This unique composition grants them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, these fasteners boast high tensile and yield strength, impressive load-bearing capacity, and excellent impact toughness. They also show outstanding fatigue resistance, minimal thermal expansion, and stability under high pressure and temperature, making them ideal for demanding applications where strength, durability, and corrosion resistance are essential.
| Specification | IS, BS, ASTM, ASME |
| Grade | Super Duplex Steel | UNS S32750 | S32760 |
| Standard | ASTM A479 ASME SA479 |
| Length | 3mm to 200mm |
| Form | Screw, Nuts, Bolts, Washers |
| Size | 3/6″ to 2″, M3 – M56, Custom Sizes |
| Application | Oil & Gas, Heat exchanger and condenser, Automobile Industry, Engineering, Power plants, Refineries & Petrochemicals, Ship building, Desalination Plants |
| 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 Steel Fasteners find extensive use in industries that operate under extreme mechanical and corrosive conditions. Common applications include offshore oil and gas platforms, subsea pipelines, chemical processing plants, desalination units, marine structures, and power generation equipment. These fasteners provide secure and durable joints in environments that are constantly exposed to seawater, chlorides, and aggressive chemicals. Their impressive strength-to-weight ratio and reliability make them a go-to choice for ensuring long-lasting performance in challenging settings.
We understand the importance of safe packaging of our Super Dupex Steel fasteners hence we ensure that they get to you in the best condition. Every fastener is covered with protective materials to ensure that they do not get damaged, rust or get contaminated in the course of transportation. We utilize sturdy cartons and we can also provide you with personalized packaging depending on your needs. Clear labeling and proper packing make it easier to identify and handle the products, thus proving our point that we value the quality of our products and the manner in which they are handled.
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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