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Poang Fasteners, located in Da Nang, Vietnam, stands out as a top manufacturer and supplier of Hastelloy C22 Washers. These high-performance fastening components are designed for use in tough industrial settings where corrosion is a major concern. Known for their remarkable resistance to both oxidizing and reducing agents, as well as chlorides and stress corrosion cracking, these washers are perfect for industries like chemical processing, petrochemical, marine, and power generation. With a commitment to precision and strict adherence to international quality standards, Poang Fasteners guarantees that each Hastelloy C22 Washer offers dimensional accuracy, durability, and reliable performance in critical applications.
Crafted from a nickel-chromium-molybdenum-tungsten alloy, Hastelloy C22 Washers boast exceptional resistance to pitting, crevice corrosion, and attacks from both oxidizing and reducing environments. They also showcase impressive mechanical properties, including tensile strength, toughness, and fatigue resistance, ensuring they maintain their integrity even in high-temperature and chemically aggressive conditions. Their ability to resist stress corrosion cracking makes them a dependable choice for critical fastening applications where traditional materials might fall short.
| Specifications | ASTM B574 / ASME SB574 |
|---|---|
| Washers 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 |
| Washers Length | 3 mm to 200 mm |
| Washers 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 |
| Washers 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 C22 Washers | 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 C22 Washers | 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 washers are widely used in industries where exceptional corrosion resistance is required. They are ideal for chemical processing plants, petrochemical industries, and marine environments, providing reliable sealing and fastening in aggressive conditions. These washers are also used in pharmaceutical and food processing equipment due to their resistance to pitting and crevice corrosion. Their durability and ability to withstand high temperatures make them suitable for aerospace and nuclear applications, ensuring secure and long-lasting performance in critical environments.
These washers find extensive use in chemical and petrochemical plants, securing bolts and nuts on reactors, heat exchangers, pumps, and valves that are exposed to highly corrosive substances. In the marine and offshore sectors, they are essential for pipelines, seawater systems, and offshore platforms, where resistance to salty environments is crucial. The oil and gas industry relies on them in refineries, subsea equipment, and high-pressure systems, while power generation facilities utilize them in turbines, boilers, and high-temperature piping. With their unique blend of strength, corrosion resistance, and durability, Hastelloy C22 Washers are truly indispensable for demanding 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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