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Poang Fasteners, located in Da Nang, Vietnam, has built a solid reputation as a reliable manufacturer and supplier of Hastelloy C22 Bolts. These bolts 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 Bolt offers dimensional accuracy, durability, and dependable performance in critical applications.
Hastelloy C22 Bolts are made from a nickel-chromium-molybdenum-tungsten alloy, which gives them exceptional resistance to pitting, crevice corrosion, and both oxidizing and reducing environments. On a mechanical level, they boast impressive tensile and yield strength, toughness, and fatigue resistance, ensuring they maintain their structural integrity even in high temperatures and harsh corrosive settings. Their ability to resist stress corrosion cracking and remain reliable in extreme chemical conditions makes them a go-to choice for critical industrial 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 C22 Bolts | 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 Bolts | 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 C276 bolts are essential in applications requiring resistance to harsh environmental conditions and exceptionally strong chemicals. It is widely used in the chemical industry, petrochemical plants, and marine applications where common corrosive agents occur. The high resistance to oxidation and stress corrosion cracking makes them ideal for air space, power generation and industrial equipment applications. These bolts ensure reliable performance and durability under extreme conditions, contributing to the safety and efficiency of critical systems and structures.
These bolts find extensive use in chemical and petrochemical plants, where they are utilized in reactors, heat exchangers, pumps, and valves that come into contact with aggressive media. In the marine and offshore industries, they are essential for pipelines, seawater systems, and offshore platforms, where resistance to saline and corrosive environments is crucial. The oil and gas industry counts on them for applications in refineries, subsea operations, and high-pressure equipment, while power generation facilities use them in turbines, boilers, and high-temperature piping systems. Additionally, they are vital in pharmaceuticals, desalination plants, and environmental control equipment, where both corrosion resistance and mechanical reliability are key. With their strength, durability, and chemical resistance, Hastelloy C22 Bolts are truly indispensable for demanding applications.
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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