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Puri Fasteners has earned a solid reputation as a reliable manufacturer and supplier of high-performance Hastelloy C276 bolts in Chennai. They specialize in providing precision-engineered fastening solutions tailored for demanding industries. With a strong commitment to quality, reliability, and customer satisfaction, Puri Fasteners delivers bolts that not only meet international standards but also excel in the toughest operating conditions. By blending advanced manufacturing technology with rigorous quality control, they ensure exceptional durability and corrosion resistance. Their expertise in special-alloy fasteners makes them the go-to choice for clients in sectors like chemical processing, marine, petrochemical, and power generation, all seeking robust and long-lasting bolting solutions.
Hastelloy C276 bolts are crafted from a nickel-molybdenum-chromium alloy, enhanced with tungsten, which provides remarkable corrosion resistance. The typical makeup features a high nickel content, about 15–17% molybdenum, 14.5–16.5% chromium, along with trace elements of iron, cobalt, and manganese. These bolts are mechanically impressive, offering excellent tensile strength, high yield strength, and outstanding resistance to pitting, stress corrosion cracking, and crevice corrosion. They maintain stability over a wide temperature range and perform exceptionally well in highly corrosive and oxidizing environments, making them ideal for 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 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 industries where extreme corrosion resistance and strength are non-negotiable. They’re commonly used in chemical processing equipment, reactors, heat exchangers, and acid production plants, thanks to their ability to endure aggressive chemicals. In the oil and gas industry, you’ll find them on offshore platforms, in pipelines, and in sour-gas environments. Power generation facilities depend on these bolts for high-temperature and corrosive systems. Plus, they’re also utilized in wastewater treatment applications, showcasing their versatility and reliability across various sectors.
At Puri 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.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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