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Aria Fasteners is a trusted manufacturer and supplier based in Hamilton, New Zealand, offering high-quality ASTM A453 GR 660 Class C Nuts for high-strength and high-temperature industrial applications. Known for precision engineering, adherence to international standards, and strict quality control, the company serves industries such as power generation, petrochemical, chemical processing, and oil and gas. Aria Fasteners provides nuts that deliver superior mechanical strength, durability, and reliability in demanding environments. Their focus on technical expertise, timely delivery, and customer satisfaction has made them a preferred supplier of premium ASTM fasteners for critical industrial applications worldwide. *(≈100 words)*
ASTM A453 GR 660 Class C Nuts are made from high-strength alloy steel engineered 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 their mechanical performance, thermal stability, and resistance to deformation under load. Heat treatment ensures consistent properties, providing superior resistance to creep, stress corrosion, and thermal degradation. These characteristics make ASTM A453 GR 660 Class C Nuts suitable for securing critical bolted connections in power plants, petrochemical units, and chemical processing industries. *(≈90 words)*
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS C Nuts | 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 nuts are used in high-stress, high-temperature applications where strong mechanical performance is crucial. Commonly employed in aerospace, power generation, and petrochemical industries, these nuts are ideal for bolting critical components in engines, turbines, and structural assemblies. Their excellent resistance to oxidation and creep ensures reliability in extreme environments, making them suitable for use in both static and dynamic load conditions.
ASTM A453 GR 660 Class C Nuts are widely used in applications requiring high mechanical strength, corrosion resistance, and reliability under extreme conditions. They are commonly installed in boilers, turbines, pressure vessels, flanged joints, heat exchangers, and structural assemblies in power generation facilities, petrochemical plants, and chemical processing units. Their exceptional resistance to creep, st
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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