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Pengkumta Fasteners, located in Bangkok, Thailand, stands out as a top manufacturer and supplier of Super Duplex Steel Fasteners. These fasteners are crafted for exceptional strength, durability, and resistance to corrosion. With state-of-the-art production facilities and rigorous quality checks, Pengkumta guarantees that every fastener meets international standards, ensuring reliable performance even in the toughest conditions. Their Super Duplex Steel Fasteners are renowned for their impressive mechanical strength and resistance to harsh chemicals and seawater, making them a trusted choice across various industries, including marine, oil and gas, chemical, and construction on a global scale.
These fasteners feature a well-balanced microstructure of austenite and ferrite, enriched with high levels of chromium, molybdenum, and nitrogen, which provides remarkable corrosion resistance and mechanical strength. They boast a yield strength of about 550 MPa and a tensile strength that surpasses 750 MPa, along with excellent resistance to stress corrosion cracking, pitting, and crevice corrosion. Additionally, they offer superior toughness and durability, ensuring dependable performance in challenging industrial and marine settings.
| Specification | IS, BS, ASTM, ASME |
| Grade | Super Duplex Steel | UNS S32750 | S32760 |
| Standard | ASTM A479 ASME SA479 |
| Length | 3mm to 200mm |
| Form | Screw, Nuts, Bolts, Washers |
| Size | 3/6″ to 2″, M3 – M56, Custom Sizes |
| Application | Oil & Gas, Heat exchanger and condenser, Automobile Industry, Engineering, Power plants, Refineries & Petrochemicals, Ship building, Desalination Plants |
| 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 fasteners are essential in several high-performance applications. In chemical processing, they efficiently address issues of working with aggressive chemicals and high pressure. In marine environments, they do not corrode with sea water hence they are very reliable in the long run. In the oil and gas industry, they offer secure fastening where high stress is exerted on the equipment. In addition, Super Duplex Steel fasteners are used in power generation and construction industries due to their excellent performance in severe conditions.
Super Duplex Steel Fasteners are widely utilized in offshore platforms, subsea equipment, and marine engineering projects due to their impressive resistance to seawater corrosion. They are also commonly found in the chemical and petrochemical sectors, where they handle aggressive acids and environments rich in chlorides. In desalination plants and power generation facilities, these fasteners deliver long-lasting performance under high pressure and corrosive conditions. Furthermore, they are essential in structural applications and heavy-duty construction projects, where their exceptional strength, toughness, and corrosion resistance are vital for safety and longevity.
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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