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Murad Fasteners, a reputable manufacturer and supplier based in Doha, Qatar, is all about crafting top-notch Super Duplex Screws tailored for tough industrial tasks. Known for their precision engineering and durability, Murad Fasteners produces screws that excel in corrosion resistance, mechanical strength, and reliability. These fasteners are designed to meet strict international standards, ensuring they perform exceptionally well even in harsh conditions. With a strong emphasis on quality and customer satisfaction, Murad Fasteners provides a diverse selection of sizes and custom solutions, making their Super Duplex Screws perfect for industries that need sturdy and long-lasting fastening options for critical assemblies.
Super Duplex Screws are primarily made from iron, chromium, and nickel, with added molybdenum and nitrogen to boost their corrosion resistance and mechanical properties. This special blend gives them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in environments rich in chloride. On the mechanical side, these screws deliver high tensile and yield strength, along with impressive toughness and fatigue resistance. The balanced microstructure of austenite and ferrite phases ensures they maintain their shape and reliability even under extreme conditions, making Super Duplex Screws an excellent choice for critical industrial applications where strength and longevity are key.
| 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.
You’ll find Super Duplex Screws in action across oil and gas platforms, chemical processing plants, desalination facilities, and marine applications. They’re perfect for securing pipelines, pressure vessels, heat exchangers, and structural components that face aggressive environments. Their outstanding resistance to corrosion and mechanical stresses guarantees long-lasting durability and safety in essential installations. Super Duplex Screws are also utilized in offshore rigs, seawater systems, and industrial machinery, where keeping structural integrity and operational efficiency is vital.
At Murad 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.
Murad Fasteners is a leading manufacturer and supplier of high-quality fasteners in Doha, Qatar, with over 8 years of experience serving global industries.
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