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Super Duplex Steel bolts are available with Yasin Fasteners which are manufactured to provide optimum performance in the harshest of conditions. These bolts are manufactured from Super Duplex Steel, a material that has the best characteristics of both the austenitic and the ferritic grades of stainless steel: high strength, corrosion resistance, and excellent wear resistance. Our Super Duplex Steel bolts are designed for use in chemical processing, marine and oil and gas industries where there is need to have secure fastening in harsh conditions.
Yasin Fasteners, located in Istanbul, Turkey, stands out as a leading manufacturer and supplier of top-notch Super Duplex Steel Bolts, specifically designed for industries that require outstanding performance and durability. With a commitment to precision engineering and rigorous quality standards, Yasin Fasteners produces bolts that offer remarkable strength, corrosion resistance, and reliability. Each fastener is carefully crafted to adhere to international specifications, ensuring peak performance even in tough conditions. Dedicated to innovation and customer satisfaction, Yasin Fasteners caters to a wide array of sectors, including oil and gas, chemical processing, marine, and construction, solidifying its reputation as a dependable partner in industrial fastening solutions.
| 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 are primarily made of iron, enriched with significant amounts of chromium (24–26%), nickel (6–8%), and molybdenum (3–5%), along with trace elements like nitrogen and other alloys. This unique blend results in a dual-phase microstructure that combines both austenitic and ferritic phases, granting the bolts exceptional mechanical properties. They boast high tensile strength (around 850–1,050 MPa), impressive yield strength, and outstanding toughness. Their well-balanced microstructure provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, even in the most challenging environments, making them perfect for critical industrial applications where strength and corrosion resistance are paramount.
Super Duplex Steel Bolts find their place in industries where reliability in extreme conditions is a must. They’re frequently used in oil and gas platforms, chemical processing facilities, petrochemical refineries, and marine engineering due to their resistance to chloride-induced corrosion. Moreover, these bolts are ideal for power generation, desalination plants, and offshore structures that demand high mechanical strength and durability. Their ability to endure high pressures, temperatures, and corrosive environments makes them a go-to choice for various demanding applications.
Yasin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Istanbul, Turkey, with over 8 years of experience serving global industries.
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