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Lina Fasteners is a trusted manufacturer and supplier located in Tunis, Tunisia, with a focus on ASTM A453 Grade 660 Class C Stud Bolts designed for high-temperature and high-stress applications. The company adheres to strict quality control measures and international standards to ensure that their fasteners boast exceptional dimensional accuracy and consistent performance. Renowned for their technical know-how and reliable supply chain, Lina Fasteners caters to critical industries by providing stud bolts that deliver outstanding strength, oxidation resistance, and a long service life, even in harsh thermal and mechanical conditions.
The ASTM A453 Grade 660 Class C stud bolts are crafted from a precipitation-hardening iron-nickel-chromium alloy, which contains approximately 24–27% nickel, 13–16% chromium, along with molybdenum, titanium, aluminum, and a controlled amount of carbon. This unique alloy offers remarkable mechanical properties, such as high tensile and yield strength, excellent resistance to creep and stress-rupture, and good toughness at elevated temperatures. Class C fasteners undergo heat treatment to ensure stable strength and maintain their performance even when exposed to high heat and pressure for extended periods.
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Material
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Dimensions
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Standards
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Size
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Length
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ASTM A453 GR 660 CLASS C Stud Bolts |
ASME B18.2.1, B18.3 |
ASTM, ASME
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M 02 to M 160 |
3 mm to 200 mm |
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Element |
Content |
|---|---|
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Carbon |
0.08 max |
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Manganese |
2.00 max |
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Phosphorus, max |
0.040 max |
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Sulfur, max |
0.030 max |
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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 ASTM A453 GR 660 Class C Stud Bolts are commonly utilized in environments that experience high temperatures and pressures. Typical applications include gas turbines, steam turbines, boilers, heat exchangers, exhaust systems, and power generation equipment. They are also essential in petrochemical, chemical processing, and refinery operations where resistance to oxidation, scaling, and thermal fatigue is crucial. These stud bolts guarantee secure joint integrity, long-term reliability, and safety in demanding conditions where standard fasteners might not hold up.
Lina fasteners Contain ASTM A 453 GR 660 Class C stud bolts that are carefully installed to ensure safe and secure shipment. Each bolt is individually inspected for quality and then placed in attractive, corrosion-resistant crates or boxes. Our packaging includes protective padding and cushioning materials to prevent damage during transit. For bulk orders we offer customized packaging solutions to meet specific requirements. Our goal is to provide these high-performance fasteners in the best possible 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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