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Aria Fasteners, based in Hamilton, New Zealand, stands out as a top-notch manufacturer and supplier of ASTM A453 GR 660 Class C Bolts, specifically designed for high-strength and high-temperature industrial applications. With a reputation built on precision engineering, strict compliance with international standards, and thorough quality control, they cater to various sectors, including power generation, petrochemical, oil and gas, and chemical processing. Their bolts are crafted to deliver exceptional mechanical strength, durability, and reliability, even in the toughest environments. Thanks to their commitment to technical expertise, prompt delivery, and customer satisfaction, Aria Fasteners has earned a reputation as a trusted source for premium ASTM fasteners around the globe. *(≈100 words)*
ASTM A453 GR 660 Class C Bolts are crafted from high-strength alloy steel, specifically engineered for high-temperature and heavy-load applications. They boast impressive tensile strength, hardness, and fatigue resistance, making them perfect for high-pressure and high-stress situations. The addition of alloying elements like chromium, molybdenum, and vanadium boosts their thermal stability, mechanical performance, and ability to resist deformation under load. Through careful heat treatment, these bolts achieve uniform properties, ensuring they can withstand creep, stress corrosion, and thermal degradation. They are particularly well-suited for securing critical joints in power plants, chemical processing facilities, and the petrochemical industry, where reliability and durability are non-negotiable. *(≈90 words)*
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS C 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 Class C bolts are widely used in high-temperature and high-stress environments. They are essential in aerospace, power generation, and petrochemical industries, where reliable performance under extreme conditions is crucial. These bolts secure critical components in turbine engines, gas and steam turbines, and pressure vessels. Their resistance to thermal expansion and corrosion makes them suitable for applications in environments exposed to high heat and aggressive chemicals.
ASTM A453 GR 660 Class C Bolts are a go-to choice for applications that demand high mechanical strength, corrosion resistance, and long-lasting reliability in extreme conditions. You’ll often find them in boilers, turbines, pressure vessels, flanged joints, heat exchangers, and structural assemblies across the power generation, petrochemical, and chemical processing sectors. Their ability to resist creep, stress, and thermal degradation makes them indispensable in these challenging environments.
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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