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Murad Fasteners has established itself as a reliable manufacturer and supplier in Doha, Qatar, specializing in high-quality Duplex Steel Bolts S31803 designed for critical industrial applications. These bolts are crafted using cutting-edge technology and rigorous quality control measures, ensuring they deliver outstanding strength, corrosion resistance, and long-lasting reliability. With a focus on precise threading, accurate dimensions, and adherence to international standards, Murad Fasteners guarantees that these bolts are well-suited for even the most demanding environments. Renowned for their durability and performance, Duplex Steel Bolts S31803 find extensive use in energy, marine, petrochemical, and construction projects throughout Qatar and the Middle East, providing secure and enduring fastening solutions in challenging operating conditions.
Made from a carefully balanced austenitic-ferritic stainless steel alloy that includes chromium, nickel, molybdenum, and nitrogen, Duplex Steel Bolts S31803 boast high tensile and yield strength, excellent toughness, and remarkable resistance to stress corrosion cracking. Their mechanical properties feature enhanced load-bearing capacity, good fatigue resistance, and stability in the face of high pressure and temperature changes. Additionally, these bolts are designed to resist pitting and crevice corrosion, ensuring dependable performance in aggressive, chloride-rich environments.
|
Grade |
Tensile Strength
(MPa) min |
Elongation
(% in 50mm) |
Yield Strength
0.2% Proof (MPa) min |
Hardness
Rockwell C (HR C) |
|---|---|---|---|---|
| Duplex Steel Bolts S31803 |
621 |
25 |
448 |
21 max |
|
Material |
Specification |
Standards |
Size
|
Length |
|
Duplex Steel S31803
|
IS
BS
ASTM
|
ASTM / ASME – A/ SA 479 / 479 |
3 mm
to
200 mm
|
M02 to M30
|
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.
Duplex Steel Bolts S31803 are widely utilized in industries that require both strength and corrosion resistance. You’ll commonly find them in oil and gas pipelines, offshore platforms, petrochemical plants, refineries, and chemical processing equipment. They also play a crucial role in marine structures, desalination plants, heat exchangers, pressure vessels, and heavy structural connections. Thanks to their durability, reliability, and minimal maintenance needs, these bolts are perfect for flanged joints, critical assemblies, and industrial installations that face harsh environmental and operational challenges.
At Murad Fasteners, Duplex Steel Bolts S31803 are meticulously packaged to ensure their integrity during transit. Each bolt is securely wrapped in protective material to prevent damage, and then placed in sturdy, weather-resistant boxes or crates. Custom packaging options are available to meet specific requirements. Our efficient packaging process safeguards the quality and performance of the bolts, providing customers with reliable, ready-to-use products. This careful handling reflects our commitment to excellence and customer satisfaction.
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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