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Hamad Fasteners, based in Riyadh, Saudi Arabia, stands out as a top manufacturer and supplier of high-quality fastening products that adhere to global standards. The company is dedicated to providing durable and high-performance solutions, catering to essential industries such as oil & gas, petrochemical, power generation, marine, and construction. One of their standout products, the ASTM A 453 GR 660 Class C Bolts, is highly regarded for its impressive strength, resistance to corrosion, and ability to endure high temperatures. These bolts are designed to ensure reliability, stability, and a long service life, even in the toughest industrial settings.
Manufactured from precipitation-hardened alloy steel that includes iron, chromium, nickel, molybdenum, and titanium, ASTM A 453 GR 660 Class C Bolts boast exceptional resistance to oxidation and stress corrosion cracking, especially in high-temperature environments. With a tensile strength of around 140 ksi, they surpass the strength of Class B variants while also offering excellent ductility and creep resistance. Their strong chemical and mechanical properties make them ideal for high-stress applications where durability and safety are paramount.
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.
These bolts find extensive use in industries that demand secure fastening under extreme conditions. They’re commonly found in power plants, petrochemical facilities, and refineries, thanks to their ability to perform reliably under high pressure and thermal stress. Typical applications include boilers, turbines, pressure vessels, heat exchangers, and flanges, where dependable and leak-proof connections are crucial. Additionally, ASTM A 453 GR 660 Class C Bolts are utilized in chemical processing and marine environments, ensuring lasting stability, strength, and safety even in harsh operating conditions.
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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