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Lina Fasteners stands out as a top-notch manufacturer and supplier of Hastelloy Fasteners right in Tunis, Tunisia. They specialize in providing high-performance fastening solutions designed to thrive in extremely corrosive and high-temperature industrial settings. The company prides itself on precision manufacturing, rigorous quality control, and adherence to international standards, all aimed at ensuring their products are reliable and have a long service life. Their Hastelloy fasteners are well-known for their remarkable resistance to corrosion, oxidation, and stress corrosion cracking. With state-of-the-art manufacturing facilities, a team of skilled professionals, and efficient logistics, Lina Fasteners guarantees timely delivery, competitive pricing, and trustworthy fastening solutions for industries like chemical, petrochemical, marine, and power generation.
Hastelloy Fasteners are crafted from nickel-based alloys that include chromium, molybdenum, iron, and other elements, depending on the specific grade. This carefully designed composition ensures excellent resistance to both oxidizing and reducing environments. On the mechanical side, Hastelloy fasteners boast high tensile and yield strength, impressive toughness, and dependable ductility. They maintain their shape and structural integrity even under high mechanical loads, elevated temperatures, and extended exposure to harsh chemicals, making them ideal for critical and long-term 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.
These fasteners are widely utilized in sectors where top-notch corrosion resistance and mechanical reliability are a must. Common applications include chemical processing plants, reactors, heat exchangers, pressure vessels, and equipment for handling acids. They’re also extensively used in offshore platforms, marine systems, oil and gas processing units, flue gas desulfurization systems, and pharmaceutical facilities. Thanks to their outstanding durability, strength, and ability to withstand tough environments, Hastelloy fasteners deliver secure, reliable, and long-lasting fastening solutions in the most demanding industries.
The Hastelloy fasteners that are manufactured at Lina Fasteners are packed with a lot of precaution. Every fastener is packed in individual protective material to avoid any damage, rusting or contamination during transportation. Our products include high quality cartons and packaging services that meet your exact needs and specifications. Clear labeling and packing also help in easy identification and handling of the products, which is our way of ensuring that we deliver the best quality products in the best state.
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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