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Hazlewood Fasteners, a reputable manufacturer and supplier located in Canberra, Australia, specializes in high-performance ASTM A453 Grade 660 Class B Stud Bolts. These bolts are specifically designed to thrive in tough, high-temperature, and high-pressure settings. Crafted with precision, they offer remarkable strength, durability, and resistance to both corrosion and oxidation. Hazlewood Fasteners is committed to ensuring that every product meets international standards through cutting-edge manufacturing processes and rigorous quality control. Renowned for their reliability and extended service life, ASTM A453 Gr 660 Class B Stud Bolts find extensive use in the power generation, petrochemical, oil and gas, and aerospace sectors, both in Australia and globally.
ASTM A453 Grade 660 Class B Stud Bolts are crafted from a nickel-chromium-iron superalloy, enhanced with molybdenum, titanium, and aluminum to deliver outstanding high-temperature performance. The typical chemical makeup includes Nickel (42–46%), Chromium (13–17%), Iron (the balance), and Molybdenum (1–1.5%). These bolts boast a tensile strength of approximately 760 MPa and a yield strength of 550 MPa, along with excellent ductility and creep resistance. They maintain their mechanical integrity even under extreme conditions, providing exceptional oxidation resistance and long-lasting performance in environments with fluctuating 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 are commonly utilized in high-temperature and high-stress applications where mechanical reliability is essential. They are perfect for securing flanges, turbines, heat exchangers, pressure vessels, and boiler components across industries like power generation, petrochemical, refining, and aerospace. These bolts demonstrate remarkable resistance to oxidation, creep, and thermal fatigue, ensuring dependable performance in both oxidizing and reducing environments. Hazlewood Fasteners offers ASTM A453 Gr 660 Class B Stud Bolts in a variety of sizes, thread types, and coatings, catering to diverse application needs.
At Hazlewood 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.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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