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Istanbul, Turkey-based Yasin Fasteners is a reliable manufacturer and supplier of Super Duplex Steel washers produced using the S32750 alloy. These washers are renowned for their superior strength coupled with excellent resistance to corrosion. The washers find application in even the toughest industrial conditions. Yasin Fasteners manufactures reliable washers in accordance with international standards, catering to major industries like offshore oil and gas, chemical processing, marine, and power generation. The organization provides standard and custom Super Duplex S32750 washers to meet precise and reliable solutions for the unique requirements of each application.
Super Duplex Steel washers of S32750 material have about 24-26% chromium, 3-5% molybdenum, 6-8% nickel, and nitrogen, which exhibit excellent resistance to pitting, crevice corrosion, and stress corrosion cracking in corrosive environments. Mechanically, the S32750 washers possess high tensile strength between 750 and 850 MPa and yield strength between 450 and 550 MPa. The duplex microstructure provides the washers with good toughness and fatigue life, which makes them suitable for applications that demand mechanical strength and corrosion resistance under severe conditions.
| 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.
S32750 Super Duplex Steel washers are extensively found in offshore oil and gas platforms, subsea equipment, chemical plants, and desalination plants where exposure to seawater and aggressive chemicals is typical. They are essential components in flanged joints, pipelines, valves, and heat exchangers, ensuring safe load distribution and sealing under high pressure and corrosive environments. They are also applied in naval structures and power generation, guaranteeing long service life and durability while reducing maintenance expenses under harsh industrial conditions.
At Yasin Fasteners, our Super Duplex Steel S32750 washers are carefully packaged to ensure they reach you in pristine condition. Each washer is inspected for quality and individually wrapped in protective material to guard against damage. They are then packed in robust, clearly labeled boxes that specify product details and quantities. Our packaging is designed to protect against environmental factors and physical impacts, ensuring that your high-performance washers arrive safely and ready for use.
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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