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Murad Fasteners stands out as a trusted manufacturer and supplier based in Doha, Qatar, specializing in top-notch Duplex Steel Fasteners S31803 that are built to withstand tough industrial conditions. Thanks to our state-of-the-art manufacturing facilities and rigorous quality control processes, we provide fasteners that boast impressive strength, durability, and outstanding resistance to corrosion. Our Duplex Steel S31803 fasteners are crafted with precision, ensuring they meet exact dimensions, have a superior surface finish, and comply with international standards. Engineered to perform reliably in harsh and corrosive environments, these fasteners guarantee secure assembly, a long service life, and dependable performance for critical structural and mechanical applications across a variety of industries.
Made from a well-balanced austenitic-ferritic stainless steel blend that includes chromium, nickel, molybdenum, and nitrogen, Duplex Steel Fasteners S31803 offer exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, S31803 fasteners deliver higher tensile and yield strength compared to standard austenitic stainless steels, along with impressive toughness and fatigue resistance. They maintain their structural integrity even under high pressure and moderate temperatures, making them perfect for heavy-duty applications that demand both strength and corrosion resistance.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex Steel S31803 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Duplex Steel S31803 | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
Standard : DIN, ASTM, BS and all International Standards
Size : 3 mm to 200 mm
Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers Size : M1 – M64 | #4 to 3″ | Custom Sizes
Length : M02 to M33
Types : Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw
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.
These Duplex Steel Fasteners S31803 are extensively utilized in sectors like oil and gas, petrochemical, chemical processing, marine, and offshore industries. They are particularly well-suited for pipelines, pressure vessels, heat exchangers, pumps, valves, and structural assemblies that face aggressive environments. Additionally, you’ll find these fasteners commonly used in desalination plants, power generation facilities, pulp and paper industries, and various construction projects. With their remarkable mechanical properties, corrosion resistance, and long-term reliability, they are ideal for both onshore and offshore applications.
At Murad Fasteners, we ensure that our Duplex Steel Fasteners S31803 are meticulously packaged to guarantee their integrity and quality upon delivery. Each fastener is carefully inspected and securely packed using high-quality materials to prevent damage during transit. Our packaging process includes labeling with detailed product information for easy identification. Whether you need bulk packaging or customized solutions, we prioritize your requirements, ensuring that your fasteners arrive in perfect condition, ready for immediate use.
Murad Fasteners is a leading manufacturer and supplier of high-quality fasteners in Doha, Qatar, with over 8 years of experience serving global industries.
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