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Malik Fasteners, a reputable manufacturer and supplier based in Manama, Bahrain, specializes in top-notch Super Duplex Steel Bolts that are built for outstanding strength and resistance to corrosion. Crafted with cutting-edge manufacturing techniques, these bolts excel in challenging environments that are both corrosive and high-pressure. Malik Fasteners guarantees that every product adheres to international standards, ensuring reliability, durability, and consistency for even the most demanding industrial applications. Thanks to their remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, Super Duplex Steel Bolts from Malik Fasteners are a popular choice in marine, offshore, petrochemical, and desalination industries, making the company a trusted partner for robust fastening solutions.
Super Duplex Steel Bolts are made up of high levels of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), and nitrogen, which together provide outstanding resistance to corrosion and pitting. Their unique dual-phase ferritic–austenitic structure guarantees superior strength, impressive yield and tensile properties, and excellent fatigue resistance. These bolts maintain their structural integrity even in chloride-rich and high-temperature settings. They also boast good weldability, high impact toughness, and resistance to stress corrosion cracking. This blend of strong mechanical performance and exceptional corrosion resistance makes Super Duplex Steel Bolts perfect for tough and demanding applications.
| 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 Steel Bolts find extensive use in industries that require high corrosion resistance and remarkable mechanical strength. They are commonly utilized in offshore platforms, subsea systems, and marine engineering, thanks to their ability to thrive in saltwater and chloride-heavy environments. In chemical and petrochemical facilities, you’ll find them in reactors, storage tanks, and pipelines, where their durability and reliability are crucial for safe and efficient operations.
At Malik Fasteners, we take utmost care in packing the Super Duplex Steel bolts for our customers. Every bolt is covered with protective materials to avoid any form of damage, corrosion, or contamination during transportation. We utilize sturdy cartons and provide packaging services that meet your requirements. Clear labeling and packing also help in making identification and handling easier, which is a testimony of our quality products in perfect 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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