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Yasin Fasteners in Istanbul, Turkey is a dedicated producer and exporter of **S32750 Super Duplex Steel nuts**, which have been designed for high-performance use in highly corrosive and high-pressure conditions. These nuts are specifically designed to be durable, strong, and highly resistant to corrosion and are therefore ideal for some of the most severe industries. Yasin Fasteners manufacture S32750 nuts in different kinds and sizes but in accordance with the international standards of quality. The business caters to industries like offshore oil and gas, marine, chemical processing, and desalination and provides standard as well as tailor-made fastening solutions.
Super Duplex Steel S32750 nuts are manufactured using austenitic-ferritic stainless steel with a chromium content of around 25%, nickel of about 7%, molybdenum of around 4%, and nitrogen. This alloy is characterized by superior resistance to pitting, crevice corrosion, and chloride-initiated stress corrosion cracking. Mechanically, S32750 has a very high tensile strength of about 800 MPa and yield strength of about 550 MPa—approaching double that of typical austenitic stainless steels. The duplex microstructure offers the nuts outstanding toughness, fatigue strength, and thermal stability, even under adverse environmental and mechanical 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 S32750 nuts find extensive application in processes requiring high mechanical strength and better corrosion resistance. On offshore oil and gas platforms, they are utilized in subsea equipment, pipelines, and seawater-exposed structural joints. In chemical and petrochemical plants, they prove to be suitable for utilization in flanged connections and pressure vessels processing aggressive chlorides and acids. Their corrosion and wear resistance, combined with their long service life, also makes them a good choice for desalination plants, marine equipment, and high-performance power generation systems.
At Yasin Fasteners, we ensure that our Super Duplex Steel Nuts S32750 are packaged with the utmost care. Each nut is securely packed in durable, moisture-resistant containers to prevent damage during transport. Our packaging solutions are designed to maintain the integrity of the nuts, whether for bulk shipments or individual orders. We provide customizable packaging options to meet specific needs, ensuring timely and safe delivery of high-quality fasteners to our customers in Istanbul and beyond.
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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