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Pengkumta Fasteners provides Duplex Steel Nuts manufactured in Bangkok, Thailand, from high-performance duplex stainless steels. Duplex steels feature a blend of austenitic and ferritic microstructures that deliver outstanding strength, corrosion resistance, and resilience against stress corrosion cracking. These nuts are designed to pair with high-strength bolts in duplex steel assemblies.
Duplex stainless steels usually contain about 20 to 25% chromium and 4 to 6% nickel, along with other strong alloying elements such as molybdenum, nitrogen, and occasionally small amounts of copper. They offer high yield strength, typically around 450 to 700 MPa, and tensile strength between 700 and 900 MPa, surpassing many austenitic grades.
| Duplex Steel Nuts | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
| Specifications | ASTM A479 & ASME SA479 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 to 200 MM |
| Duplex Steel Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Duplex Steel 2205 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
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.
Duplex steel nuts are widely used in industries requiring high strength and corrosion resistance. They are ideal for applications in the oil and gas sector, marine environments, and chemical processing due to their durability against harsh conditions. Additionally, these nuts are employed in construction, power generation, and aerospace for their reliability under stress. Their excellent mechanical properties make them suitable for critical infrastructure and heavy-duty machinery, ensuring secure and long-lasting connections in demanding 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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