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Lina Fasteners, based in Tunis, Tunisia, is a reliable manufacturer and supplier of top-notch Hastelloy C22 Nuts, specifically crafted for harsh and corrosive industrial settings. These nuts are made to meet international standards, offering outstanding resistance to pitting, crevice corrosion, and both oxidizing and reducing acids, which ensures they perform well over time. With a focus on advanced manufacturing methods, high-quality materials, and rigorous quality control, Lina Fasteners delivers fastening solutions that are precise, durable, and trustworthy. They cater to various industries, including chemical processing, oil & gas, petrochemicals, power generation, and marine engineering, promising consistent quality and dependable performance in critical applications.
Hastelloy C22 Nuts are crafted from a nickel–chromium–molybdenum–tungsten alloy, designed to provide exceptional corrosion resistance in both oxidizing and reducing environments. These nuts boast high tensile and yield strength, remarkable toughness, and good ductility. They effectively resist pitting, crevice corrosion, and stress corrosion cracking caused by chlorides. With their ability to maintain mechanical integrity under high temperatures and pressures, Hastelloy C22 Nuts ensure reliable fastening performance in aggressive chemical and industrial settings, all while offering long-term structural stability.
| 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 Nuts find extensive use in demanding industrial applications where corrosion is a major concern. They are commonly utilized in chemical reactors, heat exchangers, pressure vessels, piping systems, and pollution control equipment. These nuts are particularly prevalent in oil refineries, petrochemical plants, wastewater treatment facilities, offshore platforms, and marine installations. Their robust resistance to both oxidizing and reducing acids makes them perfect for applications like flue gas desulfurization, pharmaceutical manufacturing, and various chemical processes.
At Lina Fasteners, our Hastelloy C22 nuts are meticulously packaged to maintain their quality and integrity during transit. Each nut is securely wrapped in protective materials to prevent damage. The packaging is designed for durability and ease of handling, ensuring the products arrive in pristine condition. Our commitment to quality extends to our packaging process, which includes clear labeling and efficient stacking to facilitate easy identification and distribution. Trust Lina Fasteners for reliable and well-packaged Hastelloy C22 nuts, delivered to you with care.
Lina Fasteners is a leading manufacturer and supplier of high-quality fasteners in Tunis, Tunisia, with over 8 years of experience serving global industries.
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