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Pengkumta Fasteners, based in Bangkok, Thailand, has made a name for itself as a leading manufacturer and supplier of Super Duplex Threaded Rods. These fastening solutions are known for their incredible strength, durability, and resistance to corrosion. Crafted with precision and built to meet international standards, these threaded rods are engineered to perform reliably even in the toughest environments. Thanks to advanced production techniques and rigorous quality checks, Pengkumta guarantees that every Super Duplex Threaded Rod offers long-lasting performance, making them the go-to choice in industries like marine, oil and gas, chemical, and construction.
Super Duplex Threaded Rods are crafted from a super duplex stainless steel alloy that features a well-balanced austenite-ferrite microstructure, enhanced with chromium, molybdenum, and nitrogen for outstanding corrosion resistance. They boast a yield strength of about 550 MPa and a tensile strength exceeding 750 MPa, along with impressive impact toughness and resistance to stress corrosion cracking. These characteristics make them perfect for applications in chloride-rich and aggressive environments, ensuring they remain durable, reliable, and high-performing.
| 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.
Threaded rods made from Super Duplex Steel are essential in numerous performance related activities. In chemical processing, they control the contact with the aggressive chemicals and high pressure satisfactorily. In marine applications, they are able to withstand the effects of marine environment such as corrosion, thus providing durability. In the oil and gas industry, they offer secure fastening where stresses are high.
These Super Duplex Threaded Rods are widely used in offshore oil and gas platforms, subsea systems, and marine engineering projects, where the challenges posed by seawater and chlorides are significant. They’re also popular in the chemical and petrochemical sectors, desalination plants, and power generation facilities, thanks to their ability to withstand harsh chemicals and high-pressure conditions. Furthermore, these threaded rods are essential in structural frameworks, heavy machinery, and construction projects that demand strong, durable, and corrosion-resistant fastening solutions capable of enduring extreme industrial conditions.
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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