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Aria Fasteners is a trusted manufacturer and supplier based in Hamilton, New Zealand, providing high-quality ASTM A453 GR 660 Class C Stud Bolts for high-strength, high-temperature, and critical industrial applications. Known for precision engineering, strict adherence to international standards, and rigorous quality control, the company serves industries such as power generation, petrochemical, oil and gas, and chemical processing. Aria Fasteners delivers stud bolts that combine superior mechanical performance, corrosion resistance, and long-term reliability. Their commitment to technical expertise, timely delivery, and customer satisfaction has made them a preferred supplier of premium ASTM fasteners worldwide. *(≈100 words)*
ASTM A453 GR 660 Class C Stud Bolts are manufactured from high-strength alloy steel designed for elevated-temperature and heavy-load applications. They exhibit excellent tensile strength, hardness, and fatigue resistance, making them ideal for high-pressure and high-stress environments. Alloying elements such as chromium, molybdenum, and vanadium enhance thermal stability, mechanical strength, and resistance to deformation under load. Heat treatment ensures consistent properties, providing superior resistance to creep, stress corrosion, and thermal degradation. These stud bolts are suitable for critical bolted connections in power plants, chemical processing facilities, and petrochemical industries requiring long-term durability and reliability. *(≈90 words)*
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Material
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Dimensions
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Standards
|
Size
|
Length
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ASTM A453 GR 660 CLASS C 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 A 453 GR 660 C Class C stud bolts are used in high-pressure, high-temperature environments such as power plants, chemical processing, and petrochemical industries Flanges, molds for steam turbines, reactors, and pressure vessels due to their high temperature resistance and strength , and are ideal for securing equipment These bolts are also used under high pressure where reliability and performance are critical, such as in the aerospace and marine industries where they the long-term strength ensures long-term operational safety.
ASTM A453 GR 660 Class C Stud Bolts are widely used in applications requiring secure fastening, high mechanical strength, and long-term performance under extreme conditions. They are commonly installed in boilers, turbines, pressure vessels, heat exchangers, flanged joints, and structural assemblies in power generation plants, petrochemical units, and chemical processing industries. Their resistanc
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