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Hamad Fasteners, a well-respected manufacturer and supplier based in Riyadh, Saudi Arabia, has built a solid reputation for providing top-notch fastening solutions that meet international standards. One of their standout products, the ASTM A182 F51 fasteners, is particularly praised for its remarkable mechanical strength, durability, and exceptional resistance to corrosion. Crafted from duplex stainless steel, these fasteners are engineered to endure harsh environments, high pressures, and extreme temperatures. With a strong focus on quality assurance, precision engineering, and customer satisfaction, Hamad Fasteners guarantees that their ASTM A182 F51 fasteners deliver reliable performance across various global industries.
These fasteners are made from duplex stainless steel, which includes about 22% chromium, 5–6% nickel, 3% molybdenum, and some nitrogen. This well-balanced austenitic-ferritic structure gives them impressive tensile strength ranging from 620 to 800 MPa, a yield strength of around 450 MPa, and excellent impact toughness. They also show outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, even in environments rich in chlorides and oxidizing agents. The combination of strength, toughness, and corrosion resistance makes them ideal for long-term use in critical industrial 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 find applications across industries requiring robust corrosion resistance and strength, such as oil and gas extraction, chemical processing, and marine environments. They are essential for securing components in offshore rigs, pipelines, and vessels where exposure to corrosive elements like seawater and chemicals is prevalent. Their dual-phase structure enhances durability against stress corrosion cracking and ensures long-term performance under challenging conditions. These fasteners contribute to safe and reliable operation in critical infrastructures globally, supporting structural integrity and operational efficiency.
ASTM A182 F51 fasteners find their place in various industries that require both strength and corrosion resistance. In the oil and gas and petrochemical sectors, they are commonly used in flanges, valves, pressure vessels, and pipelines that come into contact with seawater and corrosive chemicals. In marine and offshore settings, you’ll find them in platforms, subsea equipment, and desalination plants, thanks to their durability in salty environments. They are also utilized in chemical processing, power generation, and the paper and pulp industries. Their ability to perform reliably under tough conditions makes them essential for critical fastening solutions.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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