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Punit Fasteners, located in Delhi, India, is a top manufacturer and supplier of Super Duplex Steel Bolts, known for their strength and corrosion resistance. Designed for demanding environments, these bolts are made with precision to meet international quality standards. Our Super Duplex Bolts are perfect for offshore, marine, and petrochemical industries where mechanical performance is crucial. With an emphasis on reliability and durability, Punit Fasteners provides top-notch fastening solutions for customers needing long-lasting performance in harsh and corrosive conditions.
Super Duplex Steel Bolts have broad applications in offshore drilling platforms, desalination plants, chemical processing systems, and marine engineering projects. They are crucial for assembling flanges, valves, pumps, and pipelines exposed to saltwater or harsh chemicals. These bolts exhibit excellent fatigue resistance and maintain their integrity under high pressure and temperature changes. They’re reliable for long-term use in power plants and oil refineries. Their unique microstructure ensures stability and strength, making them ideal for critical structures and heavy-duty assemblies where both durability and corrosion resistance are vital.
| 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 bolts that are used in many high performance industries. In chemical processing, they are able to cope with the attack of aggressive chemicals and high pressures. In marine applications, they are able to withstand the effects of saltwater thus are long lasting. In the oil and gas industry, they offer secure fastening where there is high stress. Furthermore, Super Duplex Steel bolts are applied in power generation and construction because of their ability to withstand harsh conditions.
At Punit Fasteners, we take utmost care in packing the Super Duplex Steel bolts for our customers. Every bolt is covered with protective materials to avoid any form of damage, corrosion, or contamination during transportation. We utilize sturdy cartons and provide packaging services that meet your requirements. Clear labeling and packing also help in making identification and handling easier, which is a testimony of our quality products in perfect condition.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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