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Mazin Fasteners proudly offers Duplex Steel Stud Bolts S31803, renowned for their exceptional strength and corrosion resistance. As a leading manufacturer and supplier in Muscat, OMAN, we ensure top-quality materials and precision engineering in every product. Our Duplex Steel Stud Bolts S31803 are ideal for demanding applications in various industries, providing reliable performance in harsh environments. Choose Mazin Fasteners for superior durability and expertise in fastening solutions.
Mazin Fasteners, located in Muscat, Oman, stands out as a top manufacturer and supplier of premium Duplex Steel Stud Bolts S31803. These bolts are celebrated for their remarkable strength, resistance to corrosion, and overall durability, making them perfect for tough industrial, chemical, and marine environments. At Mazin Fasteners, every Duplex Steel Stud Bolt is crafted to meet international standards, ensuring that they provide reliable and secure fastening solutions that can endure even the harshest conditions. With a focus on precision engineering and high-quality production, these bolts are designed for long-lasting performance, making them essential for critical assemblies where safety, durability, and resistance to challenging conditions are a must.
| S31803 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| S31803 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
| Grade | Duplex Steel UNS S31803 / S31803 |
| Specifications | ASTM A 479 ASME SA 479 |
| Dimension | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
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.
Constructed from a duplex stainless steel alloy, Duplex Steel Stud Bolts S31803 feature a well-balanced microstructure of austenite and ferrite. Typically, they contain 22–23% chromium, 4–5% nickel, 3% molybdenum, and trace amounts of nitrogen, which together provide high tensile strength along with excellent resistance to stress corrosion cracking, pitting, and crevice corrosion. They maintain their toughness in both high and low temperatures, exhibit outstanding fatigue resistance, and ensure strong dimensional stability under heavy loads, making them ideal for high-stress applications.
These bolts find extensive use in the chemical processing, oil and gas, petrochemical, offshore, and marine sectors. They are particularly effective for securing flanges, pressure vessels, pipelines, and heat exchangers that are exposed to chloride-rich environments or corrosive chemicals. The combination of their mechanical strength and corrosion resistance guarantees secure and durable fastening, minimizing maintenance needs and enhancing the safety and longevity of critical assemblies in aggressive settings.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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