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Malik Fasteners, located in Manama, Bahrain, is a reputable manufacturer and supplier of top-notch Duplex Steel Bolts S31803. These bolts are celebrated for their remarkable blend of strength, corrosion resistance, and durability, making them reliable choices for tough industrial, chemical, and marine settings. At Malik Fasteners, we employ cutting-edge manufacturing techniques and rigorous quality control to guarantee that every Duplex Steel Bolt S31803 adheres to international standards. Perfect for critical applications where mechanical strength and stress corrosion resistance are vital, these bolts offer secure and enduring fastening solutions. Malik Fasteners remains a go-to provider of premium fasteners in the region.
Duplex Steel Bolts S31803 feature a well-balanced microstructure, comprising about 50% ferrite and 50% austenite, along with 22% chromium, 5–6% nickel, 3% molybdenum, and trace amounts of nitrogen. This unique composition delivers outstanding tensile strength, toughness, and remarkable resistance to stress corrosion cracking, pitting, and crevice corrosion. Mechanically, these bolts showcase high fatigue strength, dimensional stability under heavy loads, and resistance to deformation at elevated temperatures. These characteristics make Duplex Steel Bolts S31803 perfect for applications that require both high mechanical performance and exceptional corrosion resistance in challenging 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 the chemical processing, petrochemical, oil and gas, and offshore industries, thanks to their impressive strength and corrosion resistance. They are particularly suited for securing pipelines, pressure vessels, heat exchangers, pumps, valves, and structural components that are exposed to seawater or harsh chemicals. Moreover, these bolts are utilized in power plants, desalination facilities, and marine construction projects where durability and reliability are paramount.
At Malik 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.
Malik Fasteners is a leading manufacturer and supplier of high-quality fasteners in Manama, Bahrain, with over 8 years of experience serving global industries.
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