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Pengkumta Fasteners, located in Bangkok, Thailand, stands out as a top manufacturer and supplier of Super Duplex Steel S32750 Stud Bolts. These fasteners are crafted to deliver exceptional strength, toughness, and impressive corrosion resistance. Utilizing cutting-edge technology and rigorous quality control, these stud bolts are built to meet international standards, ensuring reliable performance even in the toughest environments. Renowned for their durability and ability to withstand harsh chemicals, Pengkumta’s Super Duplex Steel S32750 Stud Bolts are a trusted choice across marine, offshore, chemical, and heavy industrial sectors.
These stud bolts are made from a super duplex stainless steel alloy that features a well-balanced austenite-ferrite microstructure, enhanced with chromium, molybdenum, and nitrogen. This unique composition provides remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich and acidic conditions. With a yield strength of about 550 MPa and a tensile strength that exceeds 750 MPa, they also boast outstanding toughness and a long service life, making them perfect for critical and demanding applications.
| 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 are widely used in critical applications across various industries. Their high strength and corrosion resistance make them ideal for oil and gas exploration, chemical processing, and marine environments. They are also employed in power generation plants and water treatment facilities, where durability and resistance to harsh conditions are essential. Additionally, they are suitable for use in high-pressure and high-temperature applications, ensuring reliability and performance in challenging environments.
Super Duplex Steel S32750 Stud Bolts find extensive use in offshore oil and gas platforms, subsea equipment, and marine engineering, where resistance to seawater is crucial. They’re also commonly used in chemical and petrochemical plants, where equipment faces corrosive chemicals and harsh operating conditions. In desalination plants and power generation systems, these bolts ensure reliable performance under high pressure and temperature. Furthermore, they are essential in heavy-duty construction, structural frameworks, and industrial machinery, offering unmatched strength, stability, and corrosion resistance in challenging applications.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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