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Malik Fasteners, a top-notch manufacturer and supplier located in Manama, Bahrain, specializes in high-quality Super Duplex Screws designed for outstanding performance in tough, corrosive industrial settings. These screws are crafted using cutting-edge technology and rigorous quality control measures to guarantee exceptional strength, durability, and reliability. Renowned for their impressive resistance to pitting, crevice corrosion, and stress corrosion cracking, the Super Duplex Screws from Malik Fasteners are a go-to choice for applications that require robust fastening solutions. The company is dedicated to providing high-performance products that adhere to global standards, catering to the marine, petrochemical, desalination, and offshore industries.
Super Duplex Screws are constructed from high-alloy duplex stainless steels, featuring around 25% chromium, 7% nickel, 4% molybdenum, and nitrogen to boost strength and corrosion resistance. Their unique dual-phase microstructure delivers remarkable mechanical properties, such as high tensile strength, superior yield strength, and excellent toughness. These screws are designed to withstand pitting and crevice corrosion, even in chloride-rich environments, while maintaining their structural integrity under high pressure and temperature. Their outstanding fatigue resistance and durability make them ideal for critical applications that demand long-term reliability and top-notch corrosion performance.
| Standard | DIN, ASTM, BS and all International Standards |
| Specifications | ASTM A479 & ASME SA479 |
| UNS S32760 Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Length | 3 to 200 MM |
| Super Duplex Steel 2207 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) | |
| Super Duplex Steel Bolts | 760 | 550 | 15 | 32 Max |
| Phosphorus | Sulphur | Silicon | Carbon | Manganese | Nickel | Molybdenum | Nitrogen | Copper | Chromium |
|---|---|---|---|---|---|---|---|---|---|
| 0.035 % max | 0.02 % max | 0.80 % max | 0.03% Max | 1.20 % max | 6.00 – 8.00 % | 3.00 – 5.00 % | 0.24 – 0.32 % | 0.50 % max | 24.0 – 26.0 % |
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.
Super Duplex Screws find extensive use in industries that require exceptional corrosion resistance and high mechanical strength. In marine and offshore settings, they are essential for shipbuilding, subsea equipment, and platforms that face harsh seawater conditions. The petrochemical and oil & gas industries depend on them for pipelines, pressure vessels, pumps, and valves that operate under high pressure and extreme conditions.
At Malik Fasteners, We make sure that our Super Duplex Steel Screws are packed with the utmost of precaution. Every screw is covered separately to avoid any damages, rust or any other contaminant that may affect the screw during transportation. We employ sturdy cartons and provide customized packaging services depending on the client’s requirements. We ensure that our products are well packed and labeled to enhance identification and handling to ensure that the end consumer receives our products in the best condition.
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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