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Lina Fasteners stands out as a top manufacturer and supplier based in Tunis, Tunisia, specializing in high-quality Hastelloy C276 Bolts designed to withstand the harshest corrosive conditions. Crafted to meet international standards, these bolts excel in resisting pitting, crevice corrosion, and stress corrosion cracking. With a focus on advanced manufacturing techniques, premium raw materials, and rigorous quality control, Lina Fasteners guarantees precise dimensions and dependable mechanical performance. These bolts are widely used across various sectors, including chemical processing, oil & gas, petrochemicals, power generation, and marine industries, ensuring robust fastening solutions for critical applications.
Hastelloy C276 Bolts are made from a unique blend of nickel, chromium, and molybdenum alloys, with added iron and tungsten, which gives them remarkable corrosion resistance. This alloy boasts impressive tensile and yield strength, along with excellent toughness and stability over a broad temperature range. Hastelloy C276 effectively resists pitting, crevice corrosion, and stress corrosion cracking caused by chlorides. These bolts maintain their mechanical integrity even under high stress and elevated temperatures, showcasing good ductility and reliable performance in aggressive chemical and high-pressure 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 C276 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 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 Bolts are widely utilized in extremely corrosive and demanding environments. Common applications include chemical reactors, heat exchangers, pressure vessels, and piping systems. They find extensive use in chemical processing plants, oil refineries, petrochemical facilities, pollution control equipment, and offshore platforms. Their exceptional resistance to strong acids, chlorides, and reducing agents makes them perfect for flue gas desulfurization systems, pulp and paper manufacturing, and marine engineering. These bolts are designed to ensure a long service life and safety, making them a reliable choice for critical applications.
At Lina Fasteners, we ensure that our Hastelloy C276 Bolts are installed with the highest level of care to maintain their quality and integrity. Each bolt is individually wrapped with protective and corrosion-resistant coatings to prevent damage during transport. We use sturdy and weatherproof boxes with clearly labeled product information for easy identification. Our packaging products are designed to withstand harsh shipping conditions, ensuring that your Hastelloy C276 bolts arrive in perfect condition, ready for immediate use quite. Custom packaging is also available to meet specific needs.
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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