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Lina Fasteners is a reputable manufacturer and supplier based in Tunis, Tunisia, specializing in high-quality ASTM A453 Grade 660 Class C fasteners that are perfect for critical high-temperature applications. With state-of-the-art production facilities and a strong commitment to quality control, the company guarantees precision, consistency, and full adherence to international standards. Their Class C fasteners are engineered to perform reliably under extreme thermal and mechanical stress, offering exceptional strength, durability, and a long service life. Thanks to their expertise and reliable supply chain, Lina Fasteners has become a trusted partner for industries that need heat-resistant fastening solutions.
The ASTM A453 Grade 660 Class C fasteners are crafted from a precipitation-hardening iron-nickel-chromium alloy, which contains about 24–27% nickel and 13–16% chromium, along with some molybdenum, titanium, aluminum, and controlled carbon. This unique blend gives them incredibly high tensile and yield strength, excellent creep and stress-rupture resistance, and good toughness. Mechanically, Class C fasteners maintain stability and oxidation resistance even at elevated temperatures, ensuring they perform consistently during extended exposure to harsh thermal and mechanical conditions.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS C Fasteners | ASME B18.2.1, B18.3 | ASTM, ASME | M 02 to M 160 | 3 mm to 200 mm |
|
Element |
Content |
|---|---|
|
Carbon |
0.08 max |
|
Manganese |
2.00 max |
|
Phosphorus, max |
0.040 max |
|
Sulfur, max |
0.030 max |
|
Silicon |
1.00 max |
|
Nickel |
24.0-27.0 |
|
Chromium |
13.5-16.0 |
|
Molybdenum |
1.00-1.50 |
|
Tungsten |
– |
|
Titanium |
1.9-2.35 |
|
Aluminum |
0.35 max |
|
Vanadium |
0.10-0.50 |
|
Boron |
0.001-0.010 |
| Tensile Strength/Ultimate Tensile Stress (UTS) – (Mpa) | 895 min |
| Yield Strength/Proof Stress(0.2% Offset) (YS) – (Mpa) | 585 min |
| Elongation in 4D (El) | 15 |
| Reduction | 18 |
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 commonly used in environments that experience extreme temperatures and high stress, such as gas and steam turbines, boilers, heat exchangers, pressure vessels, and power generation equipment. They are also widely utilized in petrochemical plants, refineries, and chemical processing units, where resistance to oxidation, scaling, and thermal fatigue is crucial. With these fasteners, you can count on secure joint integrity, operational safety, and long-term reliability in even the most demanding industrial settings.
Lina fasteners contain ASTM A 453 GR 660 Class C fasteners carefully installed to ensure authenticity during transportation and storage. Each binder is individually inspected and securely wrapped with protective coatings to prevent corrosion. They are then packed in sturdy labeled boxes designed to withstand rigorous handling and the environment. This careful packaging assures that our high quality fasteners reach you in optimal condition, ready for immediate use in demanding applications.
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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