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Hamad Fasteners, a top-notch manufacturer and supplier based in Riyadh, Saudi Arabia, is well-known for delivering high-quality fastening solutions that meet international standards. Among their standout products, the ASTM A453 Grade 660 Class C nuts are particularly prized for their remarkable mechanical strength, resistance to oxidation, and stability under high-temperature and high-pressure conditions. These precision-engineered nuts are crafted for critical applications where durability and reliability are non-negotiable. With a strong commitment to quality assurance, innovation, and customer satisfaction, Hamad Fasteners guarantees that their ASTM A453 Grade 660 Class C nuts provide consistent performance across various global industries.
Made from precipitation-hardened austenitic stainless steel, ASTM A453 Grade 660 Class C nuts are primarily alloyed with chromium, nickel, molybdenum, and titanium. They boast impressive tensile strength of around 895 MPa and yield strength of about 585 MPa, along with high hardness and creep resistance. These nuts maintain exceptional mechanical stability at elevated temperatures up to 700°C, ensuring they last over time. Their well-balanced composition offers outstanding resistance to oxidation and stress-related failures, making them a reliable choice for demanding industrial settings.
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.
You’ll find ASTM A453 Grade 660 Class C nuts widely used in industries where strength, durability, and high-temperature resistance are essential. In power generation, they’re utilized in turbines, boilers, and heat exchangers that face extreme heat and pressure. In the petrochemical and oil & gas sectors, they’re found in reactors, valves, and pressure vessels. The aerospace, marine, and heavy engineering industries also depend on these nuts for their critical fastening needs. Their exceptional performance in harsh conditions makes them an essential choice for mission-critical applications.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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