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Hazlewood Fasteners is a leading manufacturer and supplier of ASTM A182 F51 Fasteners in Canberra, Australia. These fasteners are crafted from duplex stainless steel, offering a powerful balance of strength and corrosion resistance. Designed for environments where both mechanical stress and exposure to corrosive elements are high, F51 fasteners ensure long-lasting and secure joint performance. They are widely used in offshore equipment, chemical processing systems, desalination plants, and heavy industrial installations. Hazlewood Fasteners focuses on precise engineering, reliable consistency, and strict quality standards to deliver fastening solutions that perform with confidence in demanding applications.
ASTM A182 F51 Fasteners are made from Duplex Stainless Steel Grade F51 (UNS S31803), containing chromium, molybdenum, nickel, and nitrogen. The duplex structure combines both austenitic and ferritic phases, delivering high strength, improved hardness, and excellent resistance to pitting and stress corrosion cracking. These fasteners provide superior tensile and yield strength compared to standard stainless steels, along with reliable toughness. Their material composition offers stability in chloride-rich environments and ensures durability under fluctuating temperatures and mechanical loads, making them ideal for heavy-duty fastening applications.
| 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 are widely utilized in offshore drilling structures, marine engineering components, desalination plants, chemical processing units, heat exchangers, pressure vessels, and pipeline systems. Due to their excellent corrosion resistance and high mechanical strength, they are preferred in environments exposed to saltwater, brine, acids, and corrosive industrial fluids. These fasteners help maintain secure connections in pumps, valves, flanges, and structural assemblies where reliability is essential. Their long service life and resistance to fatigue make them a cost-effective solution for industries requiring stable and durable fastening performance under harsh working 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.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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