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Puri Fasteners, a well-respected manufacturer and supplier based in Chennai, specializes in top-notch Super Duplex Steel Washers S32750, designed for high-performance and demanding industrial settings. These washers are celebrated for their remarkable strength, durability, and resistance to corrosion, making them a reliable choice for high-pressure and chloride-rich environments. Crafted with precision and in line with international quality standards, Puri Fasteners guarantees that every S32750 washer offers consistent performance, a long service life, and solid mechanical stability. They find extensive use in the oil & gas, marine, chemical, and power generation sectors, providing trustworthy fastening solutions that uphold integrity and safety even under extreme operational conditions, which is why they are often the go-to option for critical applications.
Super Duplex Steel Washers S32750 are made from a high-chromium, high-molybdenum alloy featuring a balanced austenitic-ferritic microstructure, typically comprising 25–26% chromium, 6–7% nickel, 3% molybdenum, and nitrogen. These washers boast high tensile and yield strength, excellent fatigue resistance, and outstanding protection against pitting, crevice corrosion, and chloride-induced stress corrosion cracking. Their dual-phase structure ensures exceptional toughness and stability at elevated temperatures, promising reliable long-term performance in aggressive chemical and marine environments, making them perfect for industrial applications that demand durability and resilience.
| 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.
You’ll find Super Duplex Steel Washers S32750 widely used in offshore platforms, subsea equipment, and marine engineering due to their impressive resistance to seawater corrosion. They’re also essential in the oil and gas industry for pipelines, pumps, valves, heat exchangers, and pressure vessels. Chemical and petrochemical plants depend on these washers for reactors, storage tanks, and equipment that face acidic and chloride-rich conditions. Plus, they’re utilized in desalination plants, power generation systems, and heavy industrial machinery.
At Puri 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.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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