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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 meet international standards. With a keen emphasis on durability, precision, and performance, the company caters to essential industries like oil & gas, petrochemical, marine, construction, and power generation. One of their standout products, the ASTM A 453 GR 660 Class D Stud Bolts, is well-known for its exceptional strength, high-temperature resistance, and long-lasting performance. These fasteners are specifically designed for tough industrial applications that require dependable and secure connections.
The ASTM A 453 GR 660 Class D Stud Bolts are crafted from a precipitation-hardened alloy steel that includes iron, chromium, nickel, molybdenum, and titanium. This advanced material composition provides remarkable resistance to stress corrosion cracking and oxidation, while also delivering impressive mechanical strength. With a tensile strength of about 160 ksi, these stud bolts demonstrate excellent creep resistance and toughness, even at elevated temperatures. Their strong chemical and mechanical properties make them ideal for high-pressure and high-stress applications where safety and durability are paramount.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS D Stud 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 D stud bolts are used at high temperatures and high pressures where strength and reliability are critical. They are commonly used in the aerospace, power, and petrochemical industries to protect components such as gas turbines, reactor vessels, exhaust systems, etc. maintain operational reliability
These stud bolts find widespread use in industries that require high-strength fastening solutions capable of enduring extreme service conditions. They’re commonly utilized in steam turbines, gas turbines, boilers, and pressure vessels, where performance under heat and stress is crucial. Power plants, petrochemical refineries, and chemical processing facilities rely on these bolts for flanges, heat exchangers, and other critical joints. The ASTM A 453 GR 660 Class D Stud Bolts offer secure, stable, and long-lasting fastening solutions in high-temperature, high-pressure, and corrosive 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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