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ASTM A453 GR 660 Class B Stud Bolts are robust fasteners crafted for high-pressure and high-temperature environments, making them essential in industries like chemical processing, power generation, and more. Made from alloy steel and treated with specialized heat processes, these stud bolts boast impressive tensile strength, toughness, and resistance to creep and stress, even when the heat is on. Suppliers in Hamilton, New Zealand, like Aria Fasteners, guarantee precise threading and consistent dimensions, all while adhering to ASTM A453 GR 660 Class B standards. These bolts are perfect for assembling pressure vessels, flanges, pipelines, and structural frameworks that demand reliable and durable fastening in tough conditions.
Constructed from top-notch alloy steel, ASTM A453 GR 660 Class B Stud Bolts include elements like chromium, molybdenum, and vanadium, which enhance their mechanical performance and ability to withstand high temperatures. They deliver high tensile and yield strength, exceptional toughness, and maintain their shape under heavy loads. Thanks to their heat-treated microstructure, these bolts are built to last and resist deformation during installation or use. Specifically engineered to handle intense stress, pressure, and temperature, they excel in critical applications where standard carbon steel fasteners might not cut it.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS B 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 |
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ASTM A 453 GR 660 Class B fasteners are widely used in high-temperature and high-stress environments. They are ideal for applications in power generation, aerospace, and petrochemical industries, where they secure components subjected to extreme conditions. These fasteners are essential in securing turbine components, exhaust systems, and pressure vessels, providing reliable performance in challenging environments. Their durability and resistance to oxidation make them suitable for critical applications requiring long-term stability and strength.
You’ll find ASTM A453 GR 660 Class B Stud Bolts in action across power plants, chemical processing facilities, petrochemical plants, and high-temperature industrial systems. They’re the go-to choice for securing flanges, pressure vessels, heat exchangers, and pipelines that operate under extreme conditions. These stud bolts help maintain joint integrity, prevent loosening, and ensure long-term reliability, even in aggressive environments. They’re also utilized in industrial manufacturing, offshore projects, and infrastructure initiatives that require high-performance fastening solutions.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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