Home > Super Duplex Steel Fasteners
Request For Our Latest Prices On Super Duplex Steel Fasteners in Kolkata, India!
Rinku Fasteners, located in Kolkata, India, stands out as a top manufacturer and supplier of high-quality fasteners, with a special focus on Super Duplex Steel Fasteners. These fasteners are celebrated for their remarkable strength and outstanding resistance to corrosion, making them perfect for even the toughest industrial settings. At Rinku Fasteners, we prioritize precision in manufacturing, rigorous quality control, and adherence to international standards, ensuring dependable performance for critical applications. Our Super Duplex Steel Fasteners are perfect for industries like chemical processing, oil and gas, and marine, combining durability, toughness, and longevity, which makes us a reliable partner for businesses in need of high-performance fastening solutions.
Super Duplex Steel Fasteners boast a well-balanced microstructure, consisting of about 50% austenite and 50% ferrite, enriched with high levels of chromium (24–26%), nickel (6–8%), and molybdenum (3–5%), along with nitrogen for added strength. This unique composition grants them exceptional resistance to pitting, stress corrosion cracking, and chloride-induced corrosion. On the mechanical side, these fasteners deliver impressive tensile strength ranging from 800 to 1000 MPa, yield strength between 550 and 700 MPa, and remarkable toughness even in low temperatures. These attributes ensure that Super Duplex Steel Fasteners provide both durability and reliability in highly corrosive and high-stress environments.
| Specification | IS, BS, ASTM, ASME |
| Grade | Super Duplex Steel | UNS S32750 | S32760 |
| Standard | ASTM A479 ASME SA479 |
| Length | 3mm to 200mm |
| Form | Screw, Nuts, Bolts, Washers |
| Size | 3/6″ to 2″, M3 – M56, Custom Sizes |
| Application | Oil & Gas, Heat exchanger and condenser, Automobile Industry, Engineering, Power plants, Refineries & Petrochemicals, Ship building, Desalination Plants |
| 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 Fasteners find their place in various industries where strength and corrosion resistance are paramount. They are particularly suited for chemical processing equipment, offshore oil and gas rigs, marine structures, desalination plants, and pipelines that face harsh chloride conditions. Additionally, these fasteners are utilized in structural assemblies, heat exchangers, and high-performance machinery where long-lasting durability is essential.
We understand the importance of safe packaging of our Super Dupex Steel fasteners hence we ensure that they get to you in the best condition. Every fastener is covered with protective materials to ensure that they do not get damaged, rust or get contaminated in the course of transportation. We utilize sturdy cartons and we can also provide you with personalized packaging depending on your needs. Clear labeling and proper packing make it easier to identify and handle the products, thus proving our point that we value the quality of our products and the manner in which they are handled.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
©2024 Rinku Fasteners All Rights Reserved.
