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Lina Fasteners is your go-to manufacturer and supplier of Duplex Steel Fasteners right in Tunis, Tunisia. They specialize in providing high-strength, corrosion-resistant fastening solutions that are perfect for tough industrial settings. With a strong emphasis on precision manufacturing, rigorous quality control, and strict adherence to international standards, Lina Fasteners ensures that their products consistently deliver quality and longevity. Their Duplex steel fasteners are designed to combine impressive mechanical strength with exceptional corrosion resistance, making them a top choice for challenging operating conditions. Thanks to their state-of-the-art production facilities, skilled professionals, and efficient logistics, Lina Fasteners guarantees timely deliveries, competitive pricing, and reliable fastening solutions for industries like oil and gas, petrochemical, marine, and power generation.
These Duplex Steel Fasteners are crafted from alloys that feature a balanced mix of austenitic and ferritic microstructures, typically including chromium, nickel, molybdenum, and nitrogen. This unique composition gives them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, duplex steel fasteners boast high tensile and yield strength, solid toughness, and dependable ductility. They maintain their shape and structural integrity even under high loads, pressure, and aggressive chemical conditions.
| 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 % |
| Grade | YS (MPa) | UTS (MPa) | % Elongation | Hardness(BHN) |
| UNS S32750 | 550 min. | 795 min. | 15 min. | 310 max. |
| UNS S32760 | 550 min. | 750 min. | 25 min. | 270 max. |
| Specifications | : | ASTM A182 / ASME SA182 |
| Size | : | 1/8″ NB TO 24″ NB |
| Standards | : | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | : | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F6 |
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.
You’ll find Duplex Steel Fasteners in a variety of applications where strength and corrosion resistance are crucial. They’re commonly used in offshore platforms, oil and gas pipelines, pressure vessels, heat exchangers, and chemical processing equipment. Additionally, they play a vital role in marine structures, desalination plants, and power generation facilities that face harsh, chloride-rich environments. With their outstanding mechanical properties, corrosion resistance, and durability, duplex steel fasteners offer secure, reliable, and long-lasting fastening solutions for demanding industrial and marine applications.
At Lina Fasteners, we prioritize the safe packaging of Duplex Steel Fasteners to maintain their quality and prevent damage. Each binder is thoroughly inspected and wrapped in protective packaging to ensure it arrives in the best possible condition. We offer a range of packaging options, including drop boxes and containers in sizes to suit your needs. Our durable packaging solutions protect your fasteners during transit and storage, assuring they are ready for immediate use in your most demanding 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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