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Lina Fasteners is a well-respected manufacturer and supplier of Duplex Steel Screws based in Tunis, Tunisia. They specialize in providing high-strength fastening solutions that are perfect for corrosive and demanding industrial settings. The company prides itself on precision manufacturing, rigorous quality control, and strict adherence to international standards, all aimed at ensuring consistent quality and a long service life. The Duplex steel screws from Lina Fasteners boast an impressive blend of superior mechanical strength and exceptional corrosion resistance. With state-of-the-art production facilities, a team of experienced professionals, and efficient logistics, Lina Fasteners guarantees timely deliveries, competitive pricing, and dependable fastening solutions for industries such as marine, construction, petrochemical, and power generation.
These Duplex Steel Screws are crafted from alloys that feature a balanced austenitic and ferritic microstructure, typically incorporating chromium, nickel, molybdenum, and nitrogen. This unique composition provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, duplex steel screws deliver high tensile and yield strength, good toughness, and reliable ductility. They maintain their dimensional stability and structural integrity even under high loads, pressure, and exposure to aggressive, chloride-rich environments.
| Standard | : | ASTM A193, A194 / SA193 / SA194 |
| Dimension | : | ASTM, DIN, BS, GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Bolts Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Screw Size | : | M02 to M33 | Custom Sizes |
| Heat Treatment | : | Annealing, Stress Relieving, Case Hardening, Quenching and Tempering. |
| Type | : | Hex Bolt/ Hex Screw, Square Head Bolt, U Bolt, Carriage Bolt, Eye Bolt, T Bolt/ J Bolt/ L bolt, Flange Bolt, Coach Screw 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 Screws are commonly utilized in applications that demand high strength and superior corrosion resistance. You’ll find them in marine structures, offshore platforms, construction projects, bridges, and chemical processing equipment. They’re also used in oil and gas installations, desalination plants, water treatment systems, and power generation facilities that face harsh environmental conditions. Thanks to their excellent mechanical properties, corrosion resistance, and durability, duplex steel screws offer secure, reliable, and long-lasting fastening solutions for even the most challenging industrial and marine applications.
At Lina Fasteners, we take utmost care while packing our Duplex Steel screws so that they can reach their destination in the best condition. Every screw is packed in individual protective materials to avoid any harm, rusting or contamination during transportation. Our packaging products include sturdy cartons and special packaging that meets your requirements. This way, we ensure that all our products are well packed and labeled to enhance identification and handling to ensure that the clients receive their products in the best condition possible.
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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