Home > ASTM A182 F55 Fasteners
Majid Fasteners, a well-respected manufacturer and supplier located in Dubai, UAE, specializes in high-performance ASTM A182 F55 Fasteners that are designed for outstanding reliability in tough industrial settings. These super duplex fasteners are crafted with precision, utilizing cutting-edge technology and rigorous quality standards to guarantee exceptional strength, corrosion resistance, and durability. Majid Fasteners offers a comprehensive selection of F55 bolts, nuts, washers, studs, and tailored fastening components that are built to perform effectively under high pressure and in chloride-rich environments. Their products are trusted across various sectors, including offshore, petrochemical, desalination, and marine, providing long-lasting and robust fastening solutions.
ASTM A182 F55 Fasteners are made from a blend of high chromium (24–26%), nickel (6–8%), and molybdenum (3–4%), with added nitrogen to boost strength and corrosion resistance. This super duplex alloy is known for its excellent resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. F55 fasteners offer impressive tensile and yield strength, along with remarkable impact toughness and fatigue resistance. Their duplex microstructure strikes a perfect balance between hardness and ductility, ensuring reliable performance in high-pressure, high-temperature, and chemically aggressive environments.
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) |
|---|---|---|---|---|
| Alloy GR F55 | 110 | 80 | 15 | 28 max |
| Element | Content (%) |
|---|---|
| Chromium, Cr | 24 – 26 |
| Nickel, Ni | 4.5 – 6.5 |
| Phosphorous, P | 0.035 Max |
| Carbon, C | 0.03 max |
| Sulfur, S | 0.015 Max |
| Molybdenum, Mo | 3 – 4 |
| Manganese, Mn | 1.2 Max |
| Silicon, Si | 0.8 Max |
| Copper, Cu | Balance |
| Nitrogen, N | 0.25 |
| Iron, Fe | Balance |
| Grade | ASTM A182 GR.F55 |
| 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 etc |
ASTM A182 F53 Fasteners are a go-to choice in situations where you need top-notch strength and resistance to chlorides. They’re perfect for offshore drilling platforms, subsea equipment, and marine engineering that face the harshness of seawater and high salinity. In the oil and gas industry, you’ll find them in pipelines, manifolds, and high-pressure processing systems. These fasteners are also vital in desalination plants, chemical processing units, and petrochemical facilities because they can withstand aggressive chemicals. You can also spot them in heat exchangers, pumps, valves, structural assemblies, and pressure vessels, where long-lasting durability and mechanical stability are a must.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
