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Lina Fasteners is a trusted manufacturer and supplier of top-notch ASTM A182 F51 Fasteners, proudly based in Tunis, Tunisia. With state-of-the-art manufacturing facilities and rigorous quality control measures, Lina Fasteners ensures that our fasteners meet international standards and critical service needs. Our ASTM A182 F51 Fasteners are designed for exceptional strength, outstanding corrosion resistance, and long-lasting reliability, even in tough environments. We cater to the oil and gas, marine, chemical, and industrial sectors, blending technical know-how, efficient logistics, and a customer-first approach to support projects around the globe.
ASTM A182 F51 Fasteners are crafted from duplex stainless steel, featuring a well-balanced austenitic-ferritic microstructure. The typical makeup includes about 22% chromium, 5–6% nickel, 3% molybdenum, along with nitrogen to boost strength and corrosion resistance. On the mechanical side, these fasteners deliver high tensile and yield strength, impressive toughness, and excellent resistance to stress corrosion cracking. They perform reliably under high pressure and temperature fluctuations while maintaining solid fatigue strength.
| Element | Content (%) |
|---|---|
| Chromium, Cr | 21 – 23 |
| Nickel, Ni | 4.5 – 6.5 |
| Phosphorous, P | 0.03 Max |
| Carbon, C | 0.03 max |
| Sulfur, S | 0.02 Max |
| Molybdenum, Mo | 2.5 – 3.5 |
| Manganese, Mn | 2.0 Max |
| Silicon, Si | 1 Max |
| Copper, Cu | Balance |
| Nitrogen, N | 0.80 – 0.20 |
| Iron, Fe | Balance |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) |
|---|---|---|---|---|
| Alloy GR F51 | 105 | 43 | 35 | 255 |
| Grade | ASTM A182 GR.F51 |
| Specifications | ASTM A 182 / ASME SA 182 |
| Dimension | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Bolts, Nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, Hexagon Castle Nuts, Hexagon Domed Cap Bolts, Hexagon Thin Nuts et |
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.
ASTM A182 F51 Fasteners find their place in a variety of highly corrosive and high-strength applications. You’ll commonly see them in oil and gas processing equipment, offshore platforms, pressure vessels, pipelines, valves, pumps, and heat exchangers. They’re also widely used in chemical processing, desalination plants, marine settings, and power generation facilities. Thanks to their resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking, ASTM A182 F51 Fasteners are perfect for long-term use in harsh and demanding conditions.
Our products such as ASTM A182 F51 Fasteners are meticulously packed to ensure they remain undamaged throughout transportation. For international shipments, standard export packaging involves sturdy wooden boxes or cases, adhering strictly to international packing standards. Each fastener is prominently marked with our trademark (Company’s LOGO), Grade (ASTM A182 F51), Size, and Lot No. Upon customer request, we offer customized product marking. Our packaging includes essential documentation such as Manufacturer Test Certificate as per EN 10204-3.1 or EN 10204-3.2, Raw Materials Certificate, NABL approved Lab Test Report, 100% Radiography Test Report, and Third-Party Inspection Report.
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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