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Brian Fasteners, USA-based in Houston, is a reliable producer and provider of high-performance Super Duplex Steel Bolts. Focused on quality and reliability, Brian Fasteners offers precision-machined fastening solutions designed to live up to the most demanding industrial requirements. Well-known for resistance to corrosion and durability, our Super Duplex Steel Bolts are apt for stringent applications in oil & gas, marine, and chemical processing industries. Supported by cutting-edge manufacturing techniques and stringent quality requirements, we guarantee that each bolt outpaces every expectation of strength, performance, and durability for clients of both domestic and global markets.
Super Duplex Steel Bolts consist mainly of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), nitrogen, and trace amounts of manganese and copper. The well-balanced chemical makeup provides excellent resistance to corrosion and great strength. These bolts show superior mechanical properties with a standard tensile strength of 800–1000 MPa and yield strength of more than 550 MPa. The alloy shows outstanding resistance to stress corrosion cracking, pitting, and crevice corrosion. With higher weldability and impact toughness, even at sub-zero temperatures, Super Duplex Steel Bolts are suitable for harsh conditions demanding reliable mechanical performance.
| 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 have extensive applications in high-demand applications where strength, corrosion resistance, and wear and tear are an absolute necessity. Super Duplex Steel Bolts find extensive use in offshore oil platforms, subsea instrumentation, and marine applications owing to their superior saltwater corrosion resistance. They are used to secure equipment under aggressive chemicals in the chemical and petrochemical fields. Power generation plants, desalination plants, and pressure vessels also utilize Super Duplex bolts for high-performance fastening. Their high mechanical properties make them well-suited for heavy-duty structures, heat exchangers, and piping systems in onshore and offshore facilities.
At Brian 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.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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