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Punit Fasteners, based in Delhi, India, has earned a solid reputation as a reliable manufacturer and supplier of high-performance Hastelloy nuts. They specialize in crafting precision-engineered products that adhere to international quality standards. With a strong focus on creating durable and corrosion-resistant fasteners, Punit Fasteners offers Hastelloy nuts in various grades, including C-22, C-276, and C-2000. These nuts are specifically designed to thrive in extremely harsh environments, boasting impressive mechanical strength and chemical resistance. Catering to industries such as petrochemical, marine, power generation, and pharmaceuticals, Punit Fasteners provides dependable fastening solutions tailored for critical applications that demand long-lasting performance and resilience against aggressive media.
Hastelloy nuts are primarily composed of a nickel-based alloy, enhanced with molybdenum, chromium, iron, cobalt, and other elements depending on the specific grade. This unique blend ensures remarkable resistance to both oxidizing and reducing environments. On the mechanical side, they showcase high tensile strength (~790 MPa), yield strength (~355 MPa), and elongation of up to 40%, which contributes to their toughness and ductility. They also maintain their structural integrity at elevated temperatures, with a melting point around 1370°C and a density of approximately 8.9 g/cm³. These characteristics make Hastelloy nuts perfect for high-stress, corrosion-prone industrial settings.
| 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 nuts find extensive use in industries that operate under extreme chemical, thermal, and mechanical conditions. In chemical processing, they ensure reliable fastening in systems that encounter strong acids and corrosive agents. In marine applications, their resistance to saltwater corrosion makes them ideal for offshore equipment and ship components. In power plants and refineries, they are utilized in heat exchangers, turbines, and pressure vessels due to their exceptional strength and temperature resistance. Additionally, Hastelloy nuts play a crucial role in pharmaceutical and pollution control systems, guaranteeing secure, long-lasting performance in environments where failure simply isn’t an option.
To ensure that the Hastelloy nuts reach the customers in the best condition, Punit Fasteners takes every measure to provide a secure packing. Every nut is packed in protective materials to avoid any harm, rusting, or contamination as it moves from one place to another. Our packaging products include strong cartons and special packaging that is unique to your requirements. Proper labeling and packing also help us ensure that the products are properly arranged and easily identifiable, thus our promise of quality products well packed and in good condition.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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