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Lina Fasteners is a well-respected manufacturer and supplier based in Tunis, Tunisia, focusing on ASTM A453 Grade 660 Class B Stud Bolts designed for high-temperature and high-stress industrial applications. The company utilizes cutting-edge manufacturing techniques along with rigorous quality control measures to guarantee consistent quality, precise dimensions, and adherence to international standards. Lina Fasteners provides stud bolts that are engineered for reliable performance even in the most challenging thermal and mechanical conditions, ensuring exceptional strength, durability, and a long service life. Their dedication to technical excellence and reliable delivery supports vital industries around the globe.
ASTM A453 Grade 660 Class B stud bolts are crafted from a precipitation-hardening iron-nickel-chromium alloy, which contains about 24–27% nickel and 13–16% chromium, along with additions of molybdenum, titanium, aluminum, and controlled carbon. This unique composition results in high tensile and yield strength, good ductility, and outstanding toughness. Mechanically, Class B stud bolts demonstrate impressive creep resistance, stress-rupture strength, and oxidation resistance, allowing them to maintain their structural integrity and stability even at elevated temperatures.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS B Stud Bolts | 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.
ASTM A453 GR 660 Class B Stud Bolts find extensive use in applications that involve high temperatures and significant mechanical loads. Common applications include gas and steam turbines, boilers, heat exchangers, pressure vessels, and power generation equipment. They are also utilized in petrochemical plants, refineries, and chemical processing units where resistance to oxidation, scaling, and thermal fatigue is crucial. These stud bolts provide secure joints, long-term reliability, and safe operation in critical industrial settings.
At Lina Fasteners, we prioritize the safe and efficient delivery of ASTM A 453 GR 660 Class B Stud Bolts. Each stud bolt is meticulously packaged to ensure protection during transit and handling. We use high-quality, durable materials for packaging, including custom-sized boxes or crates, with secure padding to prevent damage. Our packaging also includes clear labeling for easy identification and tracking. This approach guarantees that your fasteners arrive in optimal condition, ready for immediate use.
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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