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Poang Fasteners, located in Da Nang, Vietnam, has earned a solid reputation as a reliable manufacturer and supplier of Hastelloy C22 Nuts. These nuts are designed to provide top-notch fastening solutions for industrial environments that are both highly corrosive and demanding. Known for their remarkable resistance to oxidizing and reducing agents, chlorides, and stress corrosion cracking, they are perfect for use in the chemical processing, petrochemical, marine, and power generation sectors. With a commitment to precision and strict adherence to international quality standards, Poang Fasteners guarantees that each Hastelloy C22 Nut offers dimensional accuracy, durability, and dependable performance in critical applications.
Crafted from a nickel-chromium-molybdenum-tungsten alloy, Hastelloy C22 Nuts boast exceptional resistance to pitting, crevice corrosion, and attacks from both oxidizing and reducing environments. They also demonstrate impressive tensile and yield strength, toughness, and fatigue resistance, ensuring they maintain their integrity even in high-temperature and chemically aggressive settings. Their ability to resist stress corrosion cracking makes them a reliable choice for demanding operating conditions, making them essential for critical fastening applications.
| Specifications | ASTM B574 / ASME SB574 |
|---|---|
| Fasteners size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| Fasteners Length | 3 mm to 200 mm |
| Fastener Threads | UNF, BSW, BSF, METRIC, UNC or as required |
| Standard of High Nickel Alloy Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 Hex nuts |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Surface Coating | Ptfe Coated High Nickel Alloy Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Fasteners Finishing | High Nickel Alloy : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), High Nickel Alloy, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide. |
| Grade | C | Mn | Si | Co | S | Ni | Cr | Fe | Mo | W | V | P |
| Hastelloy Fasteners | 0.010 max | 1.0 max | 0.08 max | 2.5 max | 0.03 max | Bal | 14.5 – 16.5 | 4 – 7 | 15 – 17 | 3 – 4.5 | 0.35 max | 0.04 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy Fasteners | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
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.
Hastelloy C22 nuts are ideal for use in industries requiring high resistance to corrosion and extreme environments. They are commonly used in chemical processing, petrochemical, and marine applications, where they withstand exposure to acids, chlorides, and high temperatures. These nuts are crucial in applications involving harsh chemicals, high-temperature environments, and aggressive conditions, such as in reactors, heat exchangers, and pollution control equipment. Their durability ensures reliable performance and long-term service in demanding settings.
These nuts find extensive use in chemical and petrochemical plants, where they secure bolts on reactors, pumps, valves, and heat exchangers that are exposed to harsh chemicals. In the marine and offshore industries, they are utilized in pipelines, seawater systems, and offshore platforms, where resistance to saline and corrosive environments is crucial. The oil and gas sector depends on them for refineries, subsea operations, and high-pressure systems, while power generation plants incorporate them in turbines, boilers, and high-temperature piping. With their unique combination of corrosion resistance, strength, and durability, Hastelloy C22 Nuts are truly indispensable in critical industrial operations.
Poang Fasteners is a leading manufacturer and supplier of high-quality fasteners in Da Nang, Vietnam, with over 8 years of experience serving global industries.
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