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Puri Fasteners, a well-respected manufacturer and supplier located in Chennai, specializes in high-performance Super Duplex Threaded Rods designed for tough industrial settings that face extreme corrosion and high stress. These rods are crafted using cutting-edge machining techniques and adhere to strict quality standards, ensuring they offer remarkable mechanical strength, outstanding corrosion resistance, and impressive durability in environments rich in chlorides and under high pressure. Renowned for their ability to resist pitting, crevice corrosion, and stress corrosion cracking, Puri Fasteners’ Super Duplex Threaded Rods are the go-to choice in industries like offshore, marine, petrochemical, desalination, chemical processing, and power generation. With a strong focus on precision, timely delivery, and customer satisfaction, Puri Fasteners is dedicated to providing reliable fastening solutions.
These Super Duplex Threaded Rods are made from super duplex stainless steel grades, such as 2507, which feature a well-balanced dual-phase austenite-ferrite structure. Their chemical makeup generally consists of 25% chromium, 7% nickel, 4% molybdenum, and nitrogen, all of which contribute to their enhanced strength and corrosion resistance. These rods boast exceptionally high tensile and yield strength, remarkable fatigue resistance, and excellent toughness, even in extreme temperatures and pressures. Their exceptional resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking makes them perfect for aggressive and corrosive industrial environments that require long-lasting performance and mechanical stability.
| 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 Threaded Rods are widely utilized in industries that demand top-notch corrosion resistance and impressive mechanical strength. In the offshore oil and gas industry, you’ll find them in subsea systems, risers, platforms, and high-pressure pipeline connections. When it comes to marine engineering, these rods are built to endure constant exposure to seawater, making them ideal for shipbuilding and underwater structures. Chemical and petrochemical plants depend on them for reactors, pumps, heat exchangers, and other equipment that operate in harsh, corrosive environments. They’re also essential in desalination plants, power generation facilities, the pulp and paper industry, and any structural applications that require long-lasting durability and outstanding load-bearing capabilities.
At Puri Fasteners, the safety of our Super Duplex Steel threaded rods during transportation is a top consideration in order to supply them in the best state. Every rod is wrapped separately to ensure that it is protected from physical injury, rusting and contamination during transportation. We employ the use of cartons that are strong and provide packaging services in accordance to your needs. The products are well packed and labeled to ensure identification and handling is done effectively, which shows our capacity to provide quality products with a lot of concern.
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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