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Lina Fasteners stands out as a top-notch manufacturer and supplier of Hastelloy Bolts 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 bolts are well-known for their remarkable resistance to corrosion, pitting, and stress corrosion cracking, even in the harshest chemical environments. With state-of-the-art production facilities, a team of skilled professionals, and efficient logistics, Lina Fasteners guarantees timely delivery, competitive pricing, and trustworthy fastening solutions for industries like chemical processing, petrochemical, marine, and power generation.
Hastelloy Bolts are crafted from nickel-based alloys that include varying amounts of chromium, molybdenum, iron, and other elements, tailored to the specific grade. This unique composition gives them excellent resistance to both oxidizing and reducing environments. On the mechanical side, Hastelloy bolts boast high tensile and yield strength, impressive toughness, and dependable ductility. They maintain their shape and structural integrity even under high stress, elevated temperatures, and extended exposure to aggressive chemicals.
| 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 bolts are a go-to choice in industries where top-notch corrosion resistance and mechanical reliability are essential. You’ll find them in applications like chemical reactors, heat exchangers, flue gas desulfurization systems, and acid handling equipment. They’re also utilized in offshore platforms, marine systems, oil and gas processing, and pharmaceutical plants. Thanks to their outstanding durability, strength, and corrosion resistance, Hastelloy bolts deliver secure, long-lasting fastening solutions in the most challenging industrial and chemical environments.
To further protect our Hastelloy bolts, Lina Fasteners takes extra care while packing them. Every bolt is covered with protective materials to ensure that it is not damaged, corroded or contaminated in any way during transportation. Our packaging products include strong cartons and special packaging that meets your requirements. We ensure that all our products are well packed and labeled in a manner that makes it easy to identify and handle the products to ensure that we deliver quality products in good condition.
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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