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Rinku Fasteners, based in the thriving manufacturing hub of Kolkata, India, is a trusted producer and supplier of premium Hastelloy C22 Stud Bolts. Engineered to withstand the harshest industrial conditions, these stud bolts offer exceptional performance in corrosive, high-temperature, and high-pressure environments. Hastelloy C22 is renowned for its superior resistance to a broad range of chemicals, making these fasteners valuable for critical applications. With advanced machinery, skilled craftsmanship, and stringent quality standards, Rinku Fasteners ensures that every stud bolt delivers outstanding durability, reliability, and long-term service life.
Hastelloy C22 Stud Bolts are manufactured from a high-performance nickel-chromium-molybdenum alloy known for excellent corrosion resistance. The alloy contains significant amounts of chromium for enhanced oxidizing resistance, along with molybdenum and tungsten for improved protection against reducing environments. Mechanically, these stud bolts offer high tensile strength, superior toughness, and excellent fatigue resistance. They maintain stability and structural integrity even under extreme heat and pressure. Their exceptional resistance to pitting, crevice corrosion, and stress-corrosion cracking makes Hastelloy C22 Stud Bolts 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 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.
Hastelloy C22 Stud Bolts are widely used in industries exposed to aggressive chemicals and corrosive environments. They are essential in chemical processing plants, pharmaceutical manufacturing, pollution control systems, and acidic process equipment. Their reliability under extreme conditions makes them ideal for heat exchangers, reactors, pressure vessels, and piping systems. These stud bolts are also preferred in marine engineering, wastewater treatment, oil and gas operations, and high-temperature processing units. Wherever resistance to corrosion, high strength, and long-term stability are crucial, Hastelloy C22 Stud Bolts deliver dependable fastening performance.
At Rinku Fasteners, our Hastelloy C22 Stud Bolts are meticulously packaged to ensure maximum protection and ease of handling. Each stud bolt is securely wrapped in protective material to prevent damage during transit. The bolts are then placed in durable, clearly labeled boxes, facilitating easy identification and inventory management. For bulk orders, we use sturdy pallets and shrink-wrap to maintain the integrity of the packaging and safeguard the product until it reaches its destination.
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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