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Murad Fasteners stands out as a top manufacturer and supplier in Doha, Qatar, specializing in high-performance Duplex Steel Stud Bolts S31803 designed for critical industrial applications. Crafted with meticulous quality control and cutting-edge production methods, these stud bolts deliver an impressive mix of strength, corrosion resistance, and longevity. Murad Fasteners guarantees precise threading, accurate dimensions, and adherence to international standards, ensuring they meet the rigorous demands of various projects. The Duplex Steel Stud Bolts S31803 from the company are known for their reliability in tough environments, making them a go-to choice for infrastructure, energy, and process industries throughout Qatar.
These Duplex Steel Stud Bolts S31803 are made from a unique alloy that features a balanced austenitic and ferritic microstructure, enriched with chromium, nickel, molybdenum, and nitrogen. This special composition results in high tensile and yield strength, exceptional toughness, and outstanding resistance to stress corrosion cracking. Their mechanical properties include a greater load-carrying capacity compared to austenitic stainless steels, solid fatigue strength, and stability even under high pressure and temperature fluctuations. Additionally, these stud bolts are highly resistant to pitting and crevice corrosion, especially in chloride-rich environments.
| 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.
You’ll find Duplex Steel Stud Bolts S31803 widely utilized in industries that require both high strength and corrosion resistance. Common applications include oil and gas pipelines, offshore platforms, petrochemical plants, refineries, heat exchangers, and pressure vessels. They are also ideal for marine structures, desalination plants, and chemical processing equipment that face aggressive media. Thanks to their durability and reliability, these stud bolts are favored for flanged joints, heavy structural connections, and critical assemblies that need to perform well over the long haul with minimal maintenance.
At Murad Fasteners, Duplex Steel Stud Bolts S31803 are meticulously packaged to ensure safe and secure delivery. Each bolt is individually inspected and wrapped in protective material to prevent damage during transit. We use durable, high-quality packaging materials that safeguard against environmental factors such as moisture and impact. The bolts are organized in sturdy, labeled cartons for easy identification and handling. Our packaging process guarantees that your Duplex Steel Stud Bolts S31803 arrive in pristine 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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