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Malik Fasteners, a prominent manufacturer and supplier located in Manama, Bahrain, specializes in high-performance Super Duplex Steel Fasteners that are designed for remarkable strength and resistance to corrosion. Utilizing cutting-edge technology and top-quality materials, these fasteners offer exceptional reliability even in the toughest environments. Malik Fasteners is committed to rigorous quality control and compliance with international standards, ensuring their products can endure extreme pressures, temperatures, and corrosive substances. Trusted across various sectors, including offshore, marine, chemical, and petrochemical industries, their Super Duplex Steel Fasteners are the go-to choice for durable and long-lasting fastening solutions that meet critical industrial needs.
Super Duplex Steel Fasteners are known for their impressive composition, typically featuring high levels of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), and nitrogen, which contribute to their excellent resistance to corrosion and pitting. Their unique dual-phase microstructure—comprising ferritic and austenitic phases—grants them remarkable mechanical strength, along with high tensile and yield properties, and outstanding fatigue resistance. These fasteners perform exceptionally well in chloride-rich environments and under high-pressure conditions. They also boast good weldability, impact toughness, and resistance to stress corrosion cracking. This blend of strength, corrosion resistance, and structural integrity makes Super Duplex Steel Fasteners perfect for demanding applications in harsh industrial settings.
| Specification | IS, BS, ASTM, ASME |
| Grade | Super Duplex Steel | UNS S32750 | S32760 |
| Standard | ASTM A479 ASME SA479 |
| Length | 3mm to 200mm |
| Form | Screw, Nuts, Bolts, Washers |
| Size | 3/6″ to 2″, M3 – M56, Custom Sizes |
| Application | Oil & Gas, Heat exchanger and condenser, Automobile Industry, Engineering, Power plants, Refineries & Petrochemicals, Ship building, Desalination Plants |
| 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 Fasteners find extensive use in industries that demand superior corrosion resistance and high mechanical strength. They are crucial in offshore platforms, subsea equipment, and marine engineering, thanks to their ability to endure the challenges posed by chloride-rich seawater. In the chemical and petrochemical sectors, these fasteners are indispensable for ensuring the reliability and safety of various applications, making them a vital component in the construction and maintenance of equipment that operates in extreme conditions.
We understand the importance of safe packaging of our Super Dupex Steel fasteners hence we ensure that they get to you in the best condition. Every fastener is covered with protective materials to ensure that they do not get damaged, rust or get contaminated in the course of transportation. We utilize sturdy cartons and we can also provide you with personalized packaging depending on your needs. Clear labeling and proper packing make it easier to identify and handle the products, thus proving our point that we value the quality of our products and the manner in which they are handled.
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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