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Mazin Fasteners is a trusted manufacturer and supplier of high-performance Super Duplex Steel fasteners in Muscat, Oman, serving industries that operate in highly corrosive and demanding environments. Known for precision manufacturing and strict quality standards, the company offers fasteners that deliver exceptional strength, durability, and long-term reliability. Each Super Duplex steel fastener is produced with accurate dimensions and excellent surface finish to ensure secure fastening. With a strong commitment to international specifications, timely delivery, and customer-focused service, Mazin Fasteners has earned a solid reputation as a dependable partner for critical fastening solutions.
Super Duplex Steel fasteners supplied by Mazin Fasteners are manufactured from advanced alloys containing high levels of chromium, molybdenum, and nitrogen, with a balanced austenitic and ferritic microstructure. This composition provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. Mechanically, these fasteners offer very high tensile and yield strength, excellent toughness, and superior fatigue resistance. They perform reliably under high pressure, temperature variations, and aggressive chemical environments.
| 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 are essential in several high-performance applications. In chemical processing, they efficiently address issues of working with aggressive chemicals and high pressure. In marine environments, they do not corrode with sea water hence they are very reliable in the long run. In the oil and gas industry, they offer secure fastening where high stress is exerted on the equipment. In addition, Super Duplex Steel fasteners are used in power generation and construction industries due to their excellent performance in severe conditions.
Super Duplex Steel fasteners from Mazin Fasteners are widely used in industries where both strength and corrosion resistance are critical. Typical applications include offshore oil and gas platforms, petrochemical plants, marine structures, desalination units, and chemical processing equipment. These fasteners are also used in pressure vessels, pipelines, heat exchangers, and structural assemblies exposed to seawater and harsh chemicals. Their durability and long service life make them ideal for ensuring safety, stability, and performance in demanding industrial applications.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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