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Lina Fasteners is a trusted manufacturer and supplier located in Tunis, Tunisia, specializing in high-performance Incoloy Nuts that are built to withstand extreme temperatures and corrosive environments. Crafted to meet international quality standards, these nuts excel in resisting oxidation, carburization, and stress corrosion cracking. With precision engineering, Lina Fasteners ensures that their Incoloy nuts feature accurate threading, consistent strength, and a long service life. Catering to critical industries like oil & gas, petrochemical, chemical processing, power generation, and marine sectors, Lina Fasteners is dedicated to providing durable fastening solutions, reliable quality, and timely delivery for demanding industrial needs.
Incoloy Nuts are made from nickel–iron–chromium alloys, specifically designed for strength and corrosion resistance in tough environments. They have a balanced composition of nickel and iron, along with chromium to combat oxidation, and additional alloying elements that boost creep strength and stability. These nuts deliver high tensile and yield strength, outstanding toughness, and good ductility. Incoloy nuts are resistant to pitting and chloride-induced stress corrosion cracking, ensuring they maintain their mechanical integrity even under high-temperature and high-pressure conditions.
| Grades |
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| ASTM | ASTM F2281, ASTM F468M, ASTM F468 UNS N08825, ASTM F467 |
| Incoloy Fasteners Sizes |
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| Alloy 825 Bolts Size Metric |
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| Incoloy Hex Bolts Size Inch |
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| Standard | Manufacturer of Incoloy Fasteners as per IS, ANSI, ASTM, DIN, ISO, JIS, GB, ASME, BS, UNI, CSN, EU, IFI, PN, and all International Standards
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Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
|
|
Rockwell B (HR B) max |
Brinell (HB) max |
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Incoloy Fasteners |
Psi – 75,000 , MPa – 520 |
Psi – 30,000 , MPa –205 |
30 |
– |
– |
|
Grade |
C |
Mn |
Si |
Fe |
S |
Cr |
Al-Ti |
Ni |
|
|
Incoloy Fasteners |
min. |
– |
– |
– |
39.5 |
– |
19.0 |
0.15 |
30.0 |
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.
Incoloy Nuts find their place in severe service applications where standard materials just won’t cut it. Common uses include heat exchangers, pressure vessels, boilers, gas turbines, and high-temperature piping systems. They are heavily utilized in oil refineries, petrochemical plants, chemical processing units, nuclear facilities, and offshore platforms. Thanks to their exceptional resistance to oxidation, carburization, and corrosion, they are perfect for marine environments and power generation equipment. These nuts guarantee secure fastening, safety, and long-lasting reliability in challenging conditions.
We take extra care to pack our Incoloy nuts at Lina Fasteners. Every nut is then covered with protective materials to ensure that they do not get damaged, corroded or contaminated during transportation. Some of our packaging products are cartons and we also provide packaging solutions that meet your unique requirements. The labeling and packing methods make it easy to identify and handle the products, which is a sign that we provide 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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