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Super Duplex Steel Screws are available at Pengkumta Fasteners which is a reputed manufacturer and supplier of the product that is ideal for use in the harshest conditions. Made from Super Duplex Steel, which is a combination of the properties of both austenitic and ferritic stainless steels, these screws are characterized by high strength, corrosion resistance, and service life. Our Super Duplex Steel screws are suitable for use in chemical processing, marine and oil and gas industries because they provide secure fastening in difficult conditions.
Pengkumta Fasteners stands out as a top manufacturer and supplier of Super Duplex Screws right in the heart of Bangkok, Thailand. We specialize in high-strength fastening solutions that are built to last, offering exceptional durability, corrosion resistance, and reliability. Our Super Duplex Screws are meticulously engineered to excel in tough environments, ensuring that your critical applications are securely fastened. With impressive mechanical strength and resistance to pitting, crevice corrosion, and stress corrosion cracking, these screws are perfect for demanding industries like offshore, marine, chemical, and petrochemical.
| 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 Screws find their place in various applications, including offshore oil and gas platforms, marine equipment, chemical processing plants, desalination facilities, and power generation sectors. They are the go-to choice for fastening pipelines, pressure vessels, pumps, heat exchangers, and structural assemblies that face harsh environments. The chemical and petrochemical industries trust them for secure fastening in corrosive conditions, while the marine and offshore sectors rely on their long-lasting resistance to seawater. With their durability, high strength, and corrosion resistance, Super Duplex Screws are essential for critical applications where reliability and safety are non-negotiable.
Crafted from high-performance alloys such as UNS S32750 and S32760, our Super Duplex Screws boast nearly double the tensile strength of standard stainless steels. They deliver remarkable toughness, excellent fatigue resistance, and outstanding corrosion resistance, especially in chloride-rich and aggressive chemical settings. These screws maintain their structural integrity even under high stress and temperature, making them a reliable choice for long-term use. Their unique blend of mechanical strength, durability, and corrosion resistance guarantees top-notch performance in the harshest 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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