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Yasin Fasteners, based in Istanbul, Turkey, is a reliable producer and supplier of **Super Duplex Steel stud bolts from S32750**, designed for highly corrosive and high-strength environments. Stud bolts are intended for severe applications where both corrosion resistance and mechanical strength are crucial. Manufactured to conform to high international standards, Yasin Fasteners supplies stud bolts to the offshore oil and gas, petrochemical, marine, and desalination industries. Focused on performance, quality, and precision, the company supplies standard as well as custom Super Duplex S32750 stud bolts to the precise requirements of high-demand projects.
Super Duplex Steel S32750 stud bolts are fabricated from a strongly alloyed duplex stainless steel with about 25% chromium, 7% nickel, 4% molybdenum, and nitrogen. The composition offers superior pitting, crevice corrosion, as well as chloride-induced stress corrosion cracking resistance. Mechanically, they provide high yield strength (750–850 MPa) and tensile strength (approximately 550 MPa), almost twice that of standard stainless steels. Their duplex microstructure provides high toughness, excellent fatigue strength, and durability at high pressures and temperatures, making them suitable for structurally challenging and corrosive service 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.
S32750 Super Duplex Steel stud bolts are extensively used in high-strength and corrosion-resistant applications where strength and corrosion resistance are not up for negotiation. In the offshore oil and gas sector, they find application in flanged connections, subsea pipelines, and seawater- and pressure-containing vessels. Chemical processing plants utilize them as the best means of connecting equipment under the attack of aggressive chlorides and acids. They are utilized in desalination equipment, marine structures, and power generation facilities as well. Their high service life, low maintenance requirements, and resistance to chemical and mechanical degradation enable them to be a sound option for high-performance, high-risk environments.
At Yasin 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.
Yasin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Istanbul, Turkey, with over 8 years of experience serving global industries.
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