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Mourad Metals is a reputable manufacturer and supplier located in Tunis, Tunisia, specializing in high-quality fastening solutions like Duplex Steel Bolts S31803. With state-of-the-art production facilities and a team of skilled professionals, the company ensures that its bolts meet international standards and rigorous industrial specifications. Mourad Metals caters to various sectors, including oil and gas, marine, construction, and chemical processing, offering products renowned for their strength, precision, and resistance to corrosion. Thanks to a strong focus on quality control, timely delivery, and customer service, Mourad Metals has built a solid reputation as a trusted partner for duplex steel fastening needs around the globe.
Duplex Steel Bolts S31803 are crafted from a unique duplex stainless steel alloy that combines austenitic and ferritic microstructures. This alloy features a blend of chromium, nickel, and molybdenum, providing outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, S31803 boasts a higher yield strength compared to standard austenitic stainless steels, along with impressive tensile strength and toughness. These bolts are designed to perform reliably under high loads, pressure, and temperature changes, ensuring they maintain their structural integrity and offer a long service life even in harsh and corrosive 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 find extensive use in industries that demand high strength and exceptional corrosion resistance. They are commonly employed in offshore oil and gas platforms, marine structures, chemical processing plants, and desalination facilities. In construction and infrastructure projects, these bolts are essential for bridges, pipelines, pressure vessels, and heavy structural assemblies. Additionally, they are well-suited for heat exchangers, power generation equipment, and various types of industrial machinery.
At Lina 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.
Lina Fasteners is a leading manufacturer and supplier of high-quality fasteners in Tunis, Tunisia, with over 8 years of experience serving global industries.
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