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Pengkumta Fasteners, a reputable manufacturer and supplier located in Bangkok, Thailand, proudly offers a diverse selection of top-notch Hastelloy C276 Stud Bolts that adhere to international standards. These stud bolts are celebrated for their remarkable resistance to corrosion, pitting, and crevice attack, making them a go-to choice in industries that require outstanding performance in tough conditions. With a commitment to precision engineering and rigorous quality control, Pengkumta guarantees that every product boasts high strength, durability, and reliability. Our Hastelloy C276 Stud Bolts are particularly favored in the chemical, marine, oil & gas, and power generation sectors for critical applications.
These stud bolts are primarily made of nickel, enriched with significant amounts of molybdenum and chromium, along with iron, tungsten, and cobalt. This unique blend offers exceptional resistance to strong oxidizers, chlorides, and reducing environments. On the mechanical side, they deliver high tensile and yield strength, impressive elongation, and toughness across a broad temperature range. The alloy maintains its structural integrity under stress and effectively resists stress-corrosion cracking, making it ideal for both high-pressure and high-temperature 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 Stud 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 Stud 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 Stud Bolts find extensive use in chemical processing equipment, heat exchangers, pressure vessels, and scrubbers, where resistance to aggressive chemicals is crucial. In the marine sector, they are utilized in seawater handling systems and offshore structures, thanks to their durability in chloride-rich environments. The power generation and pollution control industries rely on them for reactors, flue gas desulfurization systems, and piping systems. Their strength and corrosion resistance ensure they perform reliably in oil & gas, petrochemical, and pharmaceutical applications, providing long-lasting performance even in the most demanding conditions.
At Pengkumta Fasteners, our Hastelloy C276 Stud Bolts are meticulously packaged to ensure maximum protection and integrity during transit. Each stud bolt is carefully inspected and individually wrapped to prevent damage and contamination. They are then placed in sturdy, sealed containers to safeguard against environmental factors. Our packaging process prioritizes secure handling and easy identification, ensuring that our high-quality fasteners reach you in optimal condition, ready for immediate use in your demanding applications.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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