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Hastelloy C22 Bolts are top-notch fasteners designed to withstand the toughest chemical and industrial environments. Made from Hastelloy C22, a unique nickel-molybdenum-chromium alloy, these bolts boast remarkable resistance to both oxidizing and reducing agents, ensuring they deliver exceptional durability and mechanical strength. Suppliers like Aria Fasteners in Hamilton, New Zealand, guarantee precise threading, consistent dimensions, and compliance with international quality standards. These bolts are perfect for securing flanges, pressure vessels, piping systems, and machinery where long-lasting protection against corrosion, pitting, and stress corrosion cracking is crucial.
The composition of Hastelloy C22 Bolts primarily includes nickel, along with molybdenum, chromium, iron, and tungsten, which gives them outstanding resistance to harsh acids, chlorides, and oxidizing chemicals. They are mechanically robust, offering high tensile strength, toughness, and stability under heavy loads. Thanks to their alloy makeup, they resist localized corrosion, stress corrosion cracking, and degradation at elevated temperatures, making them ideal for critical applications in chemical, petrochemical, and marine industries where standard stainless steels might not hold up.
| 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 % |
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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.
You’ll find Hastelloy C22 Bolts commonly used in chemical processing plants, offshore and marine structures, desalination facilities, and power generation systems. They excel at securing pressure vessels, heat exchangers, pipelines, and structural frameworks that face aggressive media like chlorine, sulfuric acid, and other oxidizing chemicals. These bolts ensure that joints remain secure, prevent loosening, and maintain reliable performance even in extreme conditions. Additionally, Hastelloy C22 Bolts are utilized in pharmaceutical, food processing, and various industrial applications where mechanical reliability and superior corrosion resistance are vital for safety and longevity.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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