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Puri Fasteners, a top-notch manufacturer and supplier located in Chennai, specializes in high-performance Hastelloy Stud Bolts that are built to endure the toughest industrial conditions. With a strong commitment to quality, precision, and reliability, they create stud bolts that offer outstanding corrosion resistance, durability, and strength, even in harsh acidic or chloride-heavy environments. Puri Fasteners serves vital industries like chemical processing, petrochemicals, marine engineering, and power generation, ensuring that every product meets international standards. Their focus on advanced manufacturing techniques and prompt delivery has established them as a trusted partner for premium Hastelloy fastening solutions across various sectors.
Hastelloy Stud Bolts are primarily made from nickel, molybdenum, and chromium, which provide remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. The addition of trace elements like tungsten and iron boosts their strength and stability even further. On a mechanical level, these stud bolts deliver high tensile and yield strength, excellent fatigue resistance, and impressive performance at elevated temperatures. Their sturdy metallurgical structure guarantees long-term reliability, making them perfect for demanding applications where both mechanical integrity and corrosion resistance are crucial.
| 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 Fasteners | 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 Fasteners | 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.
These Hastelloy Stud Bolts find extensive use in industries that require reliable performance in aggressive and corrosive settings. They’re commonly found in chemical processing plants, heat exchangers, reactors, and equipment that handle acidic or chlorinated substances. In the oil and gas industry, they shine in offshore platforms, sour gas systems, and subsea applications. Other applications include marine engineering, pharmaceuticals, pollution control systems, and high-temperature industrial operations. With their unparalleled corrosion resistance and mechanical strength, Hastelloy Stud Bolts are essential for critical applications where safety, durability, and a long service life are of utmost importance.
Hastelloy stud bolts are used in different high performance related applications and Puri Fasteners is providing it. In chemical processing they are able to manage exposure to aggressive chemicals and acids well. In aerospace, they offer reliable means of fastening in applications characterized by high temperature and pressure. In oil and gas industries, they protect against corrosive agents and severe conditions. Also, Hastelloy stud bolts are applied in power generation and marine industries due to their high strength and durability in harsh environments.
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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