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Super Duplex Steel Screws are available at Yasin Fasteners which is a reputed manufacturer and supplier of the product that is ideal for use in the harshest conditions. Made from Super Duplex Steel, which is a combination of the properties of both austenitic and ferritic stainless steels, these screws are characterized by high strength, corrosion resistance, and service life. Our Super Duplex Steel screws are suitable for use in chemical processing, marine and oil and gas industries because they provide secure fastening in difficult conditions.
Yasin Fasteners, a reputable manufacturer and supplier located in Istanbul, Turkey, is well-known for providing top-notch fastening solutions like Super Duplex Screws. With a strong emphasis on precision engineering, durability, and adherence to global quality standards, the company serves a variety of industries both domestically and internationally. The Super Duplex Screws produced by Yasin Fasteners are specifically engineered to endure tough environments, delivering remarkable strength, exceptional corrosion resistance, and a long lifespan. Thanks to cutting-edge technology and rigorous quality control, Yasin Fasteners guarantees dependable products that meet the high demands of modern industries and critical fastening needs.
| 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 Screws are crafted from a well-balanced blend of austenite and ferrite microstructures, typically featuring around 25% chromium, 7% nickel, 4% molybdenum, and nitrogen. This unique composition provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, they boast a high tensile strength of about 750–800 MPa, a yield strength of 550 MPa, and good elongation, all while maintaining toughness at both low and high temperatures. Their exceptional strength and corrosion resistance make Super Duplex Screws a trustworthy choice for demanding industrial settings.
These screws find extensive use in industries that require high-performance and corrosion-resistant fastening solutions. They are frequently utilized in offshore oil and gas platforms, marine engineering, and subsea equipment, where exposure to seawater and chlorides is intense. In the chemical and petrochemical sectors, they are essential in processing plants, reactors, and piping systems. Additionally, they are applied in desalination plants, power generation facilities, and structural engineering projects. With their remarkable strength, durability, and ability to withstand extreme conditions, Super Duplex Screws ensure reliable performance across various 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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