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Lina Fasteners, based in Tunis, Tunisia, stands out as a leading manufacturer and supplier of high-performance Super Duplex Steel Stud Bolts S32750, crafted for the toughest environments. Renowned for their remarkable strength, resistance to corrosion, and durability, these stud bolts are produced from top-quality Super Duplex Steel, guaranteeing exceptional performance even in the most challenging conditions. Lina Fasteners is dedicated to providing precision-engineered fastening solutions that adhere to global industry standards. With cutting-edge manufacturing techniques and a commitment to quality, Lina Fasteners ensures that its Super Duplex Steel Stud Bolts S32750 deliver reliable, long-lasting performance in critical industrial applications.
Super Duplex Steel Stud Bolts S32750 are crafted from a highly alloyed duplex stainless steel, typically featuring around 25% chromium, 4% molybdenum, and 7% nickel, along with nitrogen and trace elements. This unique composition offers outstanding resistance to corrosion, especially in chloride-rich environments. The duplex microstructure merges the strength of ferritic and austenitic phases, resulting in excellent mechanical properties, including high tensile strength (up to 800 MPa) and yield strength. Moreover, S32750 showcases superior resistance to pitting and crevice corrosion, along with exceptional toughness and resistance to stress corrosion cracking, making it ideal for demanding industrial conditions.
| 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 Stud Bolts S32750 find extensive use in industries that require high-strength fasteners capable of enduring extreme corrosion, high pressure, and aggressive environments. They are commonly utilized in the oil and gas sector, particularly in offshore platforms, subsea equipment, and refineries, where exposure to chlorides and harsh conditions is a given. These stud bolts are also employed in chemical processing, marine engineering, power generation, and desalination projects.
At Lina Fasteners, our Super Duplex Steel Fasteners S32750 are meticulously packaged to ensure safe delivery and optimal condition upon arrival. Each fastener is carefully inspected and then securely packed in robust, protective containers. These are labeled for easy identification and include detailed specifications for your convenience. The packaging is designed to withstand handling and transportation, preserving the quality and integrity of the fasteners throughout the shipping process.
Lina Fasteners is a leading manufacturer and supplier of high-quality fasteners in Tunis, Tunisia, with over 8 years of experience serving global industries.
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