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Brian Fasteners, based in Houston, USA, is a reliable manufacturer and supplier of top-notch industrial fasteners, including high-performance options like Super Duplex Steel Bolts S32750. Known for their precision, quality, and dependability, the company caters to demanding industries such as offshore oil and gas, chemical processing, desalination, and marine engineering. Brian Fasteners produces Super Duplex Steel Bolts S32750 that meet the highest global standards, ensuring exceptional strength and resistance to corrosion. These bolts are designed for critical applications where long-lasting performance, safety, and resilience against extreme conditions are vital for maintaining structural and mechanical integrity.
Super Duplex Steel Bolts S32750 feature a unique microstructure that consists of about 50% austenite and 50% ferrite, along with a high content of chromium (24–26%), molybdenum (3–5%), and nickel (6–8%). This specific composition grants them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. In terms of mechanical properties, these bolts boast a tensile strength of around 800 MPa and a yield strength of approximately 550 MPa, along with excellent toughness and fatigue resistance. The balanced microstructure ensures outstanding performance in highly corrosive environments, particularly those with chlorides and aggressive chemicals under high pressure and temperature.
| 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 S32750 are extensively utilized in industries that demand extreme corrosion resistance, high strength, and reliability in harsh conditions. Common applications include subsea equipment, offshore platforms, heat exchangers, chemical processing plants, and desalination systems. These bolts are particularly suited for chloride-rich environments where standard stainless steels may succumb to corrosion or cracking. Their capability to withstand high mechanical loads and aggressive media makes them a go-to choice for safety-critical and high-performance systems. Brian Fasteners offers S32750 bolts in a variety of sizes, coatings, and finishes to meet diverse needs.
At Brian Fasteners, our Super Duplex Steel Bolts S32750 are carefully installed to ensure safety and optimal quality. Each bolt is individually inspected and wrapped in corrosion resistant packaging, then placed in sturdy, carefully labeled boxes. Boxes are clearly marked with item details and sizes for easy handling and storage. We prioritize safe and efficient deliveries, so our packaging also includes shock absorbers to prevent damage during transit, and to ensure your fasteners arrive in edible condition deaf
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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