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Rinku Fasteners, based in Kolkata, India, is a reliable manufacturer and supplier known for its top-notch Hastelloy C276 Bolts, designed to thrive in the toughest industrial settings. These bolts are crafted with precision to ensure outstanding corrosion resistance, mechanical strength, and long-lasting durability, even in the most aggressive chemical or marine environments. Rinku Fasteners guarantees that every Hastelloy C276 Bolt adheres to international quality standards, providing dependable performance and secure fastening. Commonly found in chemical processing, petrochemical, offshore, and power generation sectors, these bolts are a trusted choice for critical applications that demand resistance to acids, oxidizing agents, and harsh operational conditions.
Hastelloy C276 Bolts are made up mainly of nickel, chromium, and molybdenum, with small amounts of iron and tungsten added for enhanced performance. This unique blend gives them exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking in both oxidizing and reducing environments. On the mechanical side, these bolts boast high tensile strength, impressive toughness, and durability across a wide temperature range. Their low carbon content improves weldability without sacrificing corrosion resistance. Hastelloy C276 Bolts maintain their structural integrity even when exposed to aggressive chemicals and high temperatures, making them perfect for long-term, high-performance 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 C276 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 C276 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 find their place in various industries that demand excellent corrosion resistance and mechanical reliability. They’re frequently used in chemical processing equipment like reactors, heat exchangers, valves, and piping systems that come into contact with strong acids and oxidizing agents. In petrochemical plants, offshore platforms, and desalination facilities, these bolts ensure secure and long-lasting fastening solutions, making them indispensable in critical applications.
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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