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Rinku Fasteners, based in Kolkata, India, is a reputed manufacturer and supplier specializing in high-quality Super Duplex Steel Washers S32760. With a commitment to precision and durability, the company serves a diverse clientele across sectors requiring robust and corrosion-resistant fastening solutions. Their Super Duplex S32760 washers are engineered for excellent mechanical strength and superior resistance to aggressive environments, making them well-suited for critical industrial applications where reliability and longevity are paramount.
Super Duplex Steel Washers S32760 are primarily composed of 24–26% chromium, 6–8% nickel, and around 3.5% molybdenum, with additions of manganese, tungsten, and a small amount of nitrogen. This unique mix results in a dual-phase microstructure (ferrite and austenite), giving it a yield strength up to 600 MPa, excellent ductility, and high resistance to pitting and crevice corrosion. The density is about 7.8 g/cm³, and it has high impact strength even at sub-zero temperatures.
| 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 S32760 washers are widely used in industries such as oil and gas, petrochemicals, marine engineering, desalination, power generation, and the chemical sector. They deliver robust performance in challenging environments, resisting chloride-induced stress corrosion cracking, erosion, and thermal stress. Typical applications include pumps, valves, pressure vessels, pipework flanges, and subsea connectors, ensuring longevity and safety in mission-critical assemblies exposed to harsh and corrosive atmospheres.
At Rinku Fasteners, we take extra care when fastening our Super Duplex Steel S32760 washers to ensure they arrive in pristine condition Each washer is thoroughly inspected and individually wrapped with protective components to prevent any damage. The laundry is then packed in sturdy boxes clearly labeled detailing product information and quantities. Our packaging is designed to protect against environmental and physical impacts, ensuring your high performance threats are delivered safely and ready for use.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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