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Hamad Fasteners, located in Riyadh, Saudi Arabia, has built a solid reputation as a reliable manufacturer and supplier of top-notch fastening products that adhere to international standards. The company is well-known for providing precision-engineered solutions across various industries, including oil & gas, petrochemical, power generation, marine, and construction. One of their standout offerings, the ASTM A 453 GR 660 Class B Fasteners, is celebrated for its remarkable strength, durability, and ability to withstand extreme conditions. These fasteners are crafted to ensure safe, stable, and long-lasting performance even in the toughest industrial settings.
The ASTM A 453 GR 660 Class B Fasteners are made from a special precipitation-hardened alloy steel that includes iron, chromium, nickel, molybdenum, and titanium. This unique blend gives them exceptional mechanical strength, high resistance to creep, and the ability to resist stress corrosion cracking at elevated temperatures. With a tensile strength of around 125 ksi, they strike a perfect balance between durability, ductility, and toughness. Their advanced chemical and mechanical properties make them ideal for heavy-duty applications that demand secure fastening in harsh environments.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS B Fasteners | 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 B fasteners are widely used in high-temperature and high-stress environments. They are ideal for applications in power generation, aerospace, and petrochemical industries, where they secure components subjected to extreme conditions. These fasteners are essential in securing turbine components, exhaust systems, and pressure vessels, providing reliable performance in challenging environments. Their durability and resistance to oxidation make them suitable for critical applications requiring long-term stability and strength.
These fasteners find extensive use in industries where strength and heat resistance are paramount. They’re commonly found in turbines, boilers, pressure vessels, and heat exchangers that operate under high pressure and temperature. Power plants, petrochemical facilities, and refineries depend on them for critical joints in flanges and other components that face severe conditions. Additionally, ASTM A 453 GR 660 Class B Fasteners are well-suited for marine and chemical processing applications, ensuring reliable performance, stability, and safety in challenging operational environments.
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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