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Pengkumta Fasteners, a reputable manufacturer and supplier located in Bangkok, Thailand, specializes in top-notch Duplex Steel Nuts 2205 that are built to withstand the toughest industrial challenges. These fasteners are celebrated for their remarkable strength, outstanding corrosion resistance, and long-lasting durability, making them perfect for harsh environments. With state-of-the-art manufacturing facilities and rigorous quality control measures, Pengkumta Fasteners guarantees that every Duplex Steel Nut 2205 performs exceptionally well in demanding applications. Their products find extensive use in various industries, including marine, oil and gas, petrochemicals, and construction, offering reliable fastening solutions that ensure safety and efficiency over the long haul.
Duplex Steel Nuts 2205 are made up of about 22% chromium, 5–6% nickel, 3% molybdenum, and nitrogen, which gives them a unique dual-phase microstructure of austenite and ferrite. This well-balanced composition provides impressive resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, they boast excellent tensile strength, superior yield strength, and high impact toughness, even in low temperatures. Their exceptional fatigue resistance, paired with durability, makes them a trustworthy option for tough industrial settings that demand both strength and corrosion resistance.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex Steel Nuts 2205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| Duplex Steel | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| Duplex Steel Nuts 2205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
| Duplex Steel 2205 Nuts | ASTM / ASME SA 790 UNS NO S 31803 | ASTM / ASME SA 182 F51 |
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.
These Duplex Steel Nuts 2205 are commonly utilized in marine engineering, offshore platforms, and oil and gas processing equipment due to their ability to resist seawater and chloride-rich environments. They also play a crucial role in chemical processing, desalination plants, and heat exchangers, where high strength and corrosion resistance are essential. Additionally, these nuts are perfect for structural applications in construction, pressure vessels, and pipelines, ensuring safety and a long service life. Their capacity to endure extreme operating conditions makes them a favored fastening solution across various industries around the globe.
At Pengkumta Fasteners, Duplex Steel Nuts 2205 are Carefully packaged to ensure safe delivery and maintain product integrity. Each nut is individually inspected and securely wrapped in protective materials to prevent damage during transit. We use high-quality, durable packaging that safeguards against environmental factors and handling stresses. Our packaging solutions include labeled cartons and, when required, custom packaging to meet specific client needs. This attention to detail ensures that your Duplex Steel Nuts 2205 arrive in pristine condition.
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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