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Rinku Fasteners, a leading manufacturer and supplier based in Kolkata, India, specializes in high-quality Hastelloy C22 Bolts that are built to withstand tough industrial and chemical settings. These bolts are meticulously crafted to provide outstanding corrosion resistance, mechanical strength, and durability, even in the most aggressive environments. Rinku Fasteners follows international quality standards, ensuring that every Hastelloy C22 Bolt delivers dependable and long-lasting performance. Perfect for industries like chemical processing, petrochemical, offshore, and power generation, these bolts guarantee secure and efficient fastening in critical applications. Their exceptional material properties make them the go-to choice for high-performance, corrosion-resistant fastening solutions.
Hastelloy C22 Bolts are mainly made up of nickel, chromium, and molybdenum, with small amounts of iron and tungsten. This unique blend provides remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking in both oxidizing and reducing environments. On the mechanical side, these bolts showcase impressive tensile strength, toughness, and durability across a broad temperature range. The low carbon content not only enhances weldability but also helps maintain corrosion resistance. Hastelloy C22 Bolts are ideal for harsh chemical, marine, and high-temperature conditions, ensuring reliable, long-term performance in demanding 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 C22 Bolts find extensive use in industries that demand outstanding corrosion resistance and mechanical reliability. They are frequently utilized in chemical processing equipment, such as reactors, heat exchangers, valves, and piping systems that come into contact with aggressive acids and oxidizing agents. In petrochemical plants, offshore platforms, and desalination facilities, these bolts offer secure and durable fastening solutions, ensuring that critical operations run smoothly. Their ability to withstand harsh conditions makes them an essential component in various applications where performance and reliability are non-negotiable.
At Rinku Fasteners, we ensure that our Hastelloy C276 Bolts are installed with the highest level of care to maintain their quality and integrity. Each bolt is individually wrapped with protective and corrosion-resistant coatings to prevent damage during transport. We use sturdy and weatherproof boxes with clearly labeled product information for easy identification. Our packaging products are designed to withstand harsh shipping conditions, ensuring that your Hastelloy C276 bolts arrive in perfect condition, ready for immediate use quite. Custom packaging is also available to meet specific needs.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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