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Hamad Fasteners, located in Riyadh, Saudi Arabia, has built a solid reputation as a top-notch manufacturer and supplier of high-quality fastening products. They pride themselves on delivering solutions that align with international quality standards. Renowned for their reliability, precision, and durability, the company serves a variety of industrial sectors with products tailored for critical applications. One standout in their lineup is the ASTM A193 B7 Stud Bolts, which are celebrated for their remarkable strength, heat resistance, and toughness. Crafted with cutting-edge technology and rigorous quality control, these stud bolts are engineered to excel under high pressure and temperature, establishing Hamad Fasteners as a trusted name throughout the Middle East.
The ASTM A193 B7 Stud Bolts are made from chromium-molybdenum alloy steel and undergo heat treatment to boost their mechanical properties. They boast a tensile strength of around 125 ksi (860 MPa) and a yield strength of 105 ksi (720 MPa), along with impressive hardness for heavy-duty tasks. These stud bolts are designed to resist wear, stress, and high-temperature conditions, making them ideal for challenging industrial environments. Their sturdy composition guarantees durability, dimensional stability, and long-lasting performance, even when faced with extreme mechanical and thermal stresses.
Material | Specification | Standards | Size | Length |
ASTM A193 B7 Stud Bolt | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 mm |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 – 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 – 7 | 100 | 75 | 18 | 50 | |
| B8 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 Class 2 | Up to 3/4 | 125 | 100 | 12 | 35 |
| 7/8 – 1 | 115 | 80 | 15 | 35 | |
| 1-1/8 – 1-1/4 | 105 | 65 | 20 | 35 | |
| 1-3/8 – 1-1/2 | 100 | 50 | 28 | 45 |
| Element | B7 | B8 | B8M |
| Carbon | 0.37 – 0.49% | 0.08% max | 0.08% max |
| Manganese | 0.65 – 1.10% | 2.00% max | 2.00% max |
| Phosphorus, max | 0.035% | 0.045% | 0.045% |
| Sulfur, max | 0.040% | 0.030% | 0.030% |
| Silicon | 0.15 – 0.35% | 1.00% max | 1.00% max |
| Chromium | 0.75 – 1.20% | 18.0 – 20.0% | 16.0 – 18.0% |
| Nickel | 8.0 – 11.0% | 10.0 – 14.0% | |
| Molybdenum | 0.15 – 0.25% | 2.00 – 3.00% |
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 A193 B7 stud bolts are extensively used in industries requiring high strength and durability. They are crucial in petrochemical, oil, and gas sectors for securing pipelines, valves, and flanges in high-pressure and high-temperature environments. Power generation plants utilize these bolts for boilers and turbine assembly. They are also employed in construction for structural reinforcement and in chemical processing plants where corrosion resistance is essential. Their reliability and compliance with stringent standards make them indispensable for critical applications.
You’ll find ASTM A193 B7 Stud Bolts widely utilized in sectors like oil and gas, petrochemicals, construction, and power generation. They’re commonly found in flanges, pressure vessels, boilers, heat exchangers, and pipeline assemblies where high strength and reliability are crucial. Their ability to endure extreme pressure and temperature fluctuations makes them essential components in refinery equipment and heavy machinery. Additionally, these stud bolts are employed in structural applications that demand toughness and wear resistance. With their blend of mechanical strength and durability, they are the go-to choice for high-pressure, high-temperature industrial settings.
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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