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Malik Fasteners, a top-notch manufacturer and supplier located in Manama, Bahrain, specializes in high-quality Super Duplex Steel Nuts that are built to withstand the toughest corrosive and high-pressure environments. With a keen emphasis on precision engineering and adherence to international quality standards, the company guarantees that each nut delivers outstanding durability, strength, and reliability. Industries such as oil & gas, petrochemical, marine, desalination, and offshore engineering have come to trust Malik Fasteners’ Super Duplex Steel Nuts. By blending cutting-edge manufacturing techniques with rigorous testing, Malik Fasteners consistently offers fastening solutions that promise long-lasting performance, safety, and resilience in even the most demanding industrial settings.
Super Duplex Steel Nuts are crafted with a rich blend of chromium, molybdenum, nickel, and nitrogen, providing exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking caused by chlorides. Their unique duplex microstructure ensures remarkable mechanical strength, featuring high yield and tensile properties while still maintaining good ductility and toughness. These nuts perform exceptionally well in high temperatures and under high pressure. Their well-balanced composition guarantees dimensional stability, wear resistance, and long-lasting durability, making Super Duplex Steel Nuts perfect for challenging applications that demand top-notch corrosion resistance and mechanical integrity.
| 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 Nuts find their place in various industries that require outstanding corrosion resistance and robust mechanical strength. They’re commonly used in offshore oil & gas platforms, subsea systems, and pipeline connections that face exposure to seawater and chlorides. The marine industry counts on them for shipbuilding, seawater cooling systems, and marine hardware. In chemical and petrochemical applications, these nuts are essential for ensuring reliable and safe operations, showcasing their versatility and dependability across multiple sectors.
At Malik Fasteners, we make sure that our Super Duplex Steel nuts are packed in a very special manner. Every nut is packed separately in protective materials to avoid any impact such as mechanical, chemical or microbial on the nuts during transportation. Our cartons are made of durable material and we provide customized packaging services for your products. Proper labeling and packing also help in identification and handling of the products, thus showing our seriousness in providing quality products in good 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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